Publications
Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
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neonatal herpes simplex virus infection in relation to asymptomatic maternal infection at the time of labor. | to define the risk factors associated with neonatal acquisition of herpes simplex virus (hsv) infection, we prospectively obtained hsv cultures from the cervix and external genitalia of 15,923 pregnant women in early labor who were without symptoms or signs of genital hsv infection. follow-up of the women with positive cultures for hsv and their hsv-exposed infants included serologic tests and serial cultures for hsv. | 1991 | 1849612 |
detection and characterization of latent hsv rna by in situ and northern blot hybridization in guinea pigs. | following intravaginal infection of guinea pigs, herpes simplex virus establishes a latent infection in the sensory lumbosacral ganglia. using the techniques of in situ and northern blot hybridization, we have characterized this latent hsv-2 virus and compared it to latent hsv-1 at the same anatomical site. for hsv-2, a single 1.8-kb latency-associated transcript (lat) was detected. in contrast, as described for latent hsv-1 in the trigeminal ganglia of rabbits and mice, two hsv-1 lat species we ... | 1991 | 1849688 |
priming of rabbit alveolar macrophages for enhanced oxidative responses by herpes simplex virus type 2 infection. | the effect of herpes simplex virus type 2 (hsv-2) infection on the oxidative response in infant and adult rabbit alveolar macrophages (am) was studied using either phorbol myristate acetate (0.5 microgram pma/ml) or latex (250 micrograms/ml) as eliciting agents in a chemiluminescence (cl) assay. results indicated that uninfected infant am responded to a latex-elicited but not pma-elicited cl response. hsv-2 infection (moi = 1.0) of infant am for 2 hr at 37 degrees c did not alter the pma or late ... | 1991 | 1849952 |
properties and evolutionary relationships of the marek's disease virus homologues of protein kinase, glycoprotein d and glycoprotein i of herpes simplex virus. | the deduced amino acid sequences of the open reading frames (orfs) mapping in the short unique segment (us) of marek's disease virus (mdv) reported in the accompanying paper have been analysed using computer programs to determine their relationships to herpesvirus proteins. analysis of the catalytic domains of protein kinases showed that the mdv kinase (mdv pk) was closely related to the alphaherpesvirus protein kinase mapping in us. the results also showed that the mdv pk was more closely relat ... | 1991 | 1849976 |
herpes simplex virus type 1 and type 2 infection in human oral mucosa in culture. | to examine the sensitivity of human oral mucosa to herpes simplex virus type 1 (hsv-1) and type 2 (hsv-2) infection, human gingival mucosa explants were infected with either hsv-1 or hsv-2 in vitro and the expression of virus specific antigen was examined by the immunofluorescent antibody technique. hsv-2 antigen was found in the basement membrane, basal cell layer and lower prickle cell layer. this finding was consistent with the hsv-1 infection. electron microscopic study revealed the presence ... | 1991 | 1849992 |
expression of herpes simplex virus type 2 latency-associated transcript in neurons and nonneurons. | the presence of herpes simplex virus type 2 (hsv-2) transcription during in vivo latent infection was investigated by in situ hybridization. latent infection of mouse dorsal root ganglion was investigated with the bamhi p fragment of hsv-2, which resulted in evidence of ganglion hybridization, and other fragments representing approximately 40% of the genome, which did not result in hybridization. strand specificity of hybridization was investigated in studies with synthetic oligonucleotides, whi ... | 1991 | 1850049 |
use of the polymerase chain reaction to detect herpes simplex virus dna in paraffin sections of human brain at necropsy. | the feasibility of detecting herpesvirus dna in paraffin sections of routinely fixed and processed human necropsy brains by use of the polymerase chain reaction (pcr) was assessed. a 110 bp segment of the thymidine kinase gene of herpes simplex virus type 1 (hsv1) could readily be amplified in sections from the brains of six patients with acute hsv1 encephalitis but not from those of six patients with other neurological diseases, including varicella-zoster encephalitis and herpes simplex virus t ... | 1991 | 1850452 |
modulation of the intrinsic antiviral activity by escherichia coli endotoxin in macrophages from patients with neoplasia. | macrophages from patients with breast cancer showed an impairment of their antiviral activity. the capability to hinder herpes simplex virus type 2 replication of macrophages from healthy donors and from patients with breast cancer was compared to the in-vitro treatment with escherichia coli lipopolysaccharide (lps). the lps showed a dose-dependent effect on the different macrophage populations studied. nevertheless, macrophages from healthy donors appeared to be more sensitive to lps in compari ... | 1991 | 1850454 |
expression of hsv-1 and hsv-2 glycoprotein g in insect cells by using a novel baculovirus expression vector. | herpes simplex virus types 1 and 2 (hsv-1 and hsv-2) glycoprotein g (gg-1 and gg-2) were expressed in insect cells from recombinant baculoviruses (acdsmgg-1 and acdsmgg-2, respectively) constructed using a novel baculovirus transfer vector, pacdsm. this vector allows the coding region of a foreign gene to be precisely linked to the baculovirus polyhedrin gene at the translation initiation site and retains the native polyhedrin translation initiation environment. fourfold more gg-1, with a higher ... | 1991 | 1850903 |
mutagenesis occurring following infection with herpes simplex virus does not require virus replication. | infection of eukaryotic cells in culture with herpes simplex virus type-1 (hsv-1) or hsv-2 increased the mutation frequency of the supf gene carried on the shuttle vector pz189 by around sixfold. the increase was apparent 2 hr postinfection and reached a peak after 8 hr. to investigate this mutagenesis, plasmids pckrr1 and pckrr2 were constructed to express the large and small subunits, respectively, of hsv-2 ribonucleotide reductase (rr) under the control of the inducible mouse metallothionein ... | 1991 | 1850920 |
oral acyclovir therapy of recurrent herpes simplex virus type 2 infection of the hand. | acyclovir was evaluated as treatment of recurrent herpes simplex virus type 2 infection of the hand in a double-blind, placebo-controlled crossover study. in nine fully evaluable patients, oral acyclovir (2 g/day in three doses for 10 days) initiated during the earliest phase of a recurrence reduced the mean durations (+/- standard deviation) of clinical symptoms from 10.1 (+/- 3.6) to 3.7 (+/- 3.0) days (p = 0.008), signs from 11.1 (+/- 3.7) to 6.2 (+/- 3.3) days (p = 0.024), and viral positivi ... | 1991 | 1850971 |
retention of nonlinear viral dna during herpes simplex virus latency in vitro. | we investigated the state of the herpes simplex virus type 2 (hsv-2) genome during latency in vitro. latent dna was present in the cell nucleus in a nonlinear configuration. the joint fragment was represented at approximately double the molar concentration of fragments from unique regions, indicating that genome termini had fused. the hsv-2 genome copy number was estimated to be between 1.5 and 8, with a mean value of 4.5 per latently infected cell. nonlinear hsv dna can therefore exist during l ... | 1991 | 1851145 |
cell-mediated immunologic responses and recurrent genital herpes in the guinea pig. effects of glycoprotein immunotherapy. | the specific immune alterations associated with hsv recurrences are ill defined although it appears that alterations in cell-mediated immune mechanisms are more likely associated with recurrent disease than humoral immunity. immunization with hsv glycoproteins b and d (gbgd) after primary hsv infection has reportedly reduced the frequency of recurrences but the mechanisms remain unidentified. we therefore evaluated the effects of immunization with cloned gbgd on selected cell-mediated immune res ... | 1991 | 1851194 |
antiviral activity and dose optimum of recombinant macrophage colony-stimulating factor on herpes simplex genitalis in guinea pigs. | the antiviral activity of recombinant human macrophage csf (m-csf) against genital herpes simplex virus type-2 (hsv-2) infection in guinea pigs was investigated. m-csf stimulates proliferation of human and guinea pig peripheral blood monocytes, specifically the plastic adherent esterase-positive mononuclear cells. when anti-hsv-2 activity of m-csf was evaluated in guinea pigs by 6 daily injection (s.c.) of m-csf at various doses (5 x 10(5) to 7 x 10(7) u/kg), we found 2 x 10(6) u/kg to be the op ... | 1991 | 1851195 |
seroepidemiology of herpes simplex virus and restriction endonuclease cleavages analysis of herpes simplex virus type 2 in okinawa. | a seroepidemiologic study of herpes simplex virus (hsv) in okinawa was performed. a total of 423 serum samples were collected from all over okinawa, and the positivity rate of antibody against hsv was measured using a passive hemagglutination method. the sero-positive rate for hsv in age groups of over 40 years was 100%. seven hsv type 2 (hsv 2) isolates were obtained in okinawa, and dna preparations from vero cells infected with the isolates were analyzed using five restriction endonucleases: b ... | 1991 | 1851598 |
binding of herpes simplex virus to cellular heparan sulphate, an initial step in the adsorption process. | it has been suggested that heparan sulphate has a receptor function in the initial phase of the attachment of herpes simplex virus (hsv) to cells. we have studied the influence of glycosaminoglycans on cell adsorption of, and plaque formation by, hsv-1 and hsv-2, with regard to the role of saccharide structure, chain length and charge density. heparin and highly-sulphated heparan sulphate (1.5 sulphate groups/disaccharide unit), but neither chondroitin sulphate nor dermatan sulphate, were found ... | 1991 | 1851813 |
leucine repeats in the large subunit of herpes simplex virus type 2 ribonucleotide reductase (rr; icp10) are involved in rr activity and subunit complex formation. | computer-assisted comparison of the herpes simplex virus type 2 (hsv-2) ribonucleotide reductase large subunit (rr1) sequence with the known primary structures of other rr1 proteins revealed a motif consisting of five leucines occurring at every seventh residue between positions 409 to 437. this motif is specific to hsv rr1 proteins. a synthetic oligopeptide (la-4) corresponding to 15 residues in the internal portion of the motif inhibited hsv-2 rr activity. in immunoprecipitation experiments, l ... | 1991 | 1851814 |
hiv and other sexually transmitted diseases among female prostitutes in kinshasa. | in 1988, 1233 prostitutes from different geographic areas of kinshasa participated in a cross-sectional survey on hiv infection and other sexually transmitted diseases (stds). despite relatively good knowledge about aids and stds, the reported preventive behaviour was poor. only 12% of the women reported regular use of condoms, while greater than 50% of the women reported regular use of antibiotics and 38% reported doing nothing specific to prevent stds. thirty-five per cent of the women were hi ... | 1991 | 1883543 |
molecular probe for identification of trichomonas vaginalis dna. | trichomoniasis is one of the most widespread sexually transmitted diseases in the world. diagnosis can be achieved by several methods, such as direct microscopic observation of vaginal discharge, cell culture, and immunological techniques. a 2.3-kb trichomonas vaginalis dna fragment present in strains from diverse geographic areas was cloned and used as a probe to detect t. vaginalis dna in vaginal discharge by a dot blot hybridization technique. this probe was specific for t. vaginalis dna. it ... | 1991 | 1890171 |
differential suppression of host cell protein synthesis and mrna levels in herpes simplex virus-infected endothelial cells. | earlier studies from this laboratory have shown that infection of vascular cells with herpes simplex virus 1 or 2 (hsv-1, hsv-2) results in the differential suppression of extracellular matrix proteins including fibronectin (fn), type iv collagen, thrombospondin (tsp) and factor viii von willebrand protein. the present study was designed to determine whether a correlation exists between suppression of synthesis of specific proteins and their mrna levels. we have measured the steady-state levels ... | 1991 | 1891960 |
acute ascending necrotizing myelitis in okinawa caused by herpes simplex virus type 2. | a case of rapidly progressing ascending myelitis was necropsied. necrosis was present throughout the whole length of the spinal cord and involved both the grey and white matter randomly. the perivascular lymphocytic infiltration in the spinal cord in the present case was more pronounced than that in the previously reported two cases of necrotizing myelopathy associated with malignancy. using immunoperoxidase staining the presence of herpes simplex virus type 2 (hsv 2) antigen was demonstrated. e ... | 1991 | 1899169 |
treatment of experimental genital herpes with liposomal interferon. | the therapeutic effect of genetically engineered interferon (reaferon) in the treatment of genital herpes in male guinea pigs was studied. the disease was induced in the animals by application of culture liquid containing herpes simplex virus type 2 (hsv-2) to the scarified skin of the penis. the affected sites were treated once daily, for 7 days, with different reaferon preparations 1-3 days after the symptoms of the disease had appeared. reaferon preparations were most effective in the treatme ... | 1991 | 1912245 |
prolonged and potent therapeutic and prophylactic effects of (s)-1-[(3-hydroxy-2-phosphonylmethoxy)propyl]cytosine against herpes simplex virus type 2 infections in mice. | the acyclic nucleotide analog (s)-1-[(3-hydroxy-2-phosphonylmethoxy)propyl]cytosine (hpmpc) is a potent and selective inhibitor of herpesviruses. cells preincubated with hpmpc are refractory to herpes simplex virus type 2 (hsv-2) infection for several days after removal of the drug from the medium. a single administration of 30 mg of hpmpc per kg of body weight 4 days prior to virus infection intraperitoneally with hsv-2 (strain g) completely protected mice from death, and the protective effect ... | 1991 | 1929331 |
abnormal bleeding associated with reproductive tract infection. | reproductive tract infection is an often unrecognized, but relatively common, cause of abnormal reproductive tract bleeding. postcoital bleeding, menorrhagia, metrorrhagia, and oral contraceptive break-through bleeding are potentially infection-related complaints. the microorganisms most often associated with abnormal reproductive tract bleeding include: chlamydia trachomatis, neisseria gonorrhoeae, herpes simplex virus type 2, and microorganisms associated with bacterial vaginosis. the clinical ... | 1991 | 1931376 |
[nationwide survey of necrotizing myelopathy associated with malignancy in japan]. | twenty-two cases of transverse myelopathy associated with malignancy were collected in nationwide survey in japan. paraneoplastic necrotizing myelopathy (pnm) was suspected in 9 of them and 8 cases were diagnosed as radiation myelopathy (rm), clinically and pathologically. other 5 cases had different causes of transverse myelopathy. in comparison with pnm and rm, malignant lymphoma, flaccid paraplegia and sphincter dysfunction were highly associated in the patients with pnm. on the other hand, l ... | 1991 | 1934764 |
management of genital herpes simplex infection. | herpes simplex infection of the genitals is a common condition, more often due to herpes simplex virus (hsv) type 2 than to type 1 virus. there is a severe first attack followed by mild recurrences which are more common and more frequent after hsv-2 than after hsv-1 genital infection. clinical features with prodrome, vesicles and erosions may be characteristic allowing rapid clinical diagnosis. when possible laboratory confirmation should be attempted. general management includes simple hygiene, ... | 1991 | 1958714 |
evaluation of five monoclonal antibody-based kits or reagents for the identification and culture confirmation of herpes simplex virus. | five immunofluorescence (if) kits or reagents (bartels [bartels immunodiagnostic supplies, inc., bellevue, wash.], imagen [celltech diagnostics, ltd., distributed by analytab products, plainview, n.y.], ortho [ortho diagnostics systems, inc., raritan, n.j.], syva [syva co., palo alto, calif.], whittaker [whittaker bioproducts, walkersville, md.]) were evaluated for typing and laboratory confirmation of herpes simplex virus (hsv). of 101 clinical isolates tested by each kit or reagent, results fo ... | 1991 | 1645367 |
icp4, the major regulatory protein of herpes simplex virus, shares features common to gtp-binding proteins and is adenylated and guanylated. | infected cell protein 4 (icp4), the product of the alpha 4 gene, regulates herpes simplex virus 1 and herpes simplex virus 2 gene expression at the transcriptional level both positively and negatively. previous studies have shown that icp4 is extensively modified posttranslationally. we report that icp4 was labeled in isolated nuclei of infected cells by [alpha-32p]gtp or [alpha-32p]atp. the labeling of icp4 by [alpha-32p]gtp or [alpha-32p]atp required excess gtp, atp, gdp, and adp and occurred ... | 1991 | 1645791 |
native herpes simplex virus glycoprotein d vaccine: immunogenicity and protection in animal models. | mice, guinea pigs, and rhesus monkeys were immunized with immunoaffinity-purified native glycoprotein d (gd) derived from herpes simplex virus type 1 (hsv1). the native glycoprotein has evoked significant in vivo responses even at low doses. thus, mice immunized with doses as low as 1 microgram were significantly protected from the morbidity and mortality of lethal hsv2 challenge and from establishment of latent hsv2 infection. protection was dose-related and correlated with prechallenge serum n ... | 1991 | 1645898 |
differentiation of herpes simplex virus-induced fusion from without and fusion from within by cyclosporin a and compound 48/80. | treating strains of herpes simplex virus (hsv) in culture with either cyclosporin a or compound 48/80, allowed the strains to be divided into two groups. group 1 contains the strains ang and hfem of hsv-1 and lux syn (hsv-2) producing fusion from within (ffwi) and fusion from without (ffwo). cyclosporin a fails to inhibit both types of fusion at concentrations up to 100 microm. strains ang and hfem belong to the syn 3 marker locus group identified for hsv-1. group 2 contains all other fusion-pro ... | 1991 | 1646277 |
the simian herpesvirus sa8 homologue of the herpes simplex virus gb gene: mapping, sequencing, and comparison to the hsv gb. | the genomic location and dna sequence of the simian herpesvirus sa8 gene encoding a homologue of the hsv1 gb glycoprotein was determined. using a cloned gb gene of herpes simplex virus type 1 (hsv1) as probe in southern blot hybridizations, the sa8 gb gene was localized to a 10-kbp kpni fragment mapping in the unique long part of the genome. a 2.8 kbp, 68.4% gc segment of this fragment was sequenced. it contained a 2649 nucleotide orf possibly encoding a 98.4 kda polypeptide. the predicted amino ... | 1991 | 1646593 |
herpes simplex virus type 2 and hiv seroconversion. | 1991 | 1646875 | |
rheumatoid factors react with fab fragments of monoclonal antibodies to herpes simplex virus types 1 and 2 fc gamma-binding proteins. | human polyclonal igm rheumatoid factors (rf) were tested in an enzyme-linked immunosorbent assay with monoclonal antibodies (mab) (ii-481 and b10/a8) to glycoprotein e (ge), the fc gamma-binding protein of herpes simplex virus type 1 (hsv-1), as well as with mab 88-s to ge of hsv-2. most of the rf reacted with ii-481 and 88-s. positive reactions were recorded for rf reacting with whole mab ii-481 and 88-s, as well as with their fab, but not their fc, fragments. human monoclonal igm rf isolated f ... | 1991 | 1647772 |
restriction endonuclease patterns of herpes simplex virus dna: subtyping of hsv-1 and hsv-2 strains from genital and nongenital lesions. | herpes simplex type 1 (hsv-1) and type 2 (hsv-2) isolates from genital and nongenital infections were submitted to restriction endonuclease analysis for possible genomic changes in relation with the adaptation of the virus to a new site on the body. hsv-1 and hsv-2 strains were successfully divided into two subgroups using the hin c ii restriction enzyme. no correlation was found, however, between the proposed genomic subtypes h1a, h1b, h2a and h2b, and the genital or nongenital origin of the hs ... | 1991 | 1647930 |
herpes and human ribonucleotide reductases. inhibition by 2-acetylpyridine 5-[(2-chloroanilino)-thiocarbonyl]-thiocarbonohydrazone (348u87). | the mode of inactivation of herpes simplex virus type 1 and human ribonucleotide reductases by 2-acetylpyridine 5-[(2-chloroanilino)-thiocarbonyl]-thiocarbonohydrazone++ + (348u87) was determined and compared to that described previously [porter et al. biochem pharmacol 39: 639-646, 1990] for 2-acetylpyridine 5-[(dimethylamino)thiocarbonyl]-thiocarbonohydrazone (a1110u). 348u87 inactivated herpes ribonucleotide reductase faster than did a1110u. moreover, iron-complexed 348u87 was a considerably ... | 1991 | 1648925 |
[monoclonal antibodies to herpes simplex viruses antigens--specificity and utility in rapid serotyping of clinical isolates]. | sixteen hybridomas secreting antibodies to hsv-1 and 22 hybridomas secreting antibodies to hsv-2 were derived from fusion of sp2/0 myeloma cells with spleen cells from balb/c mice immunized with each respective virus. four of the former 16 hybridomas and seven of the latter 22 hybridomas were subcloned and injected into pristane-primed mice to obtain high titers of monoclonal antibodies. antigen specificity of these monoclonal antibodies were determined by the western blotting (wb) assay. two ou ... | 1991 | 1649232 |
complementary lethal invasion of the central nervous system by nonneuroinvasive herpes simplex virus types 1 and 2. | it is well-known that viral thymidine kinase (tk) expression is important for the maximum demonstration of virulence of herpes simplex virus (hsv). in this study, we have investigated interactions of a tk- mutant of virulent hsv type 2 (hsv-2) (syn+) and a nonneuroinvasive hsv-1 (syn) in mice. when the mice were inoculated with each virus alone in their rear footpads, no mice were killed even after infection with high doses of viruses (greater than 10(6) pfu per mouse), whereas 100% of the mice ... | 1991 | 1649347 |
synergistic topical therapy by acyclovir and a1110u for herpes simplex virus induced zosteriform rash in mice. | combination therapy with a1110u, an inactivator of the herpes simplex virus (hsv) and the varicella zoster virus ribonucleotide reductase, and acyclovir (acv) was evaluated for treatment of cutaneous herpetic disease in athymic mice infected on the dorsum. in this model, infection with hsv produces a 'zosteriform-like' rash that is first visible on day 3 or 4 post-infection (p.i.) and eventually extends from the anterior mid-line to the dorsal mid-line of the affected flank. in untreated mice, t ... | 1991 | 1650166 |
efficacy of 9-(2-phosphonylmethoxyethyl)adenine in the therapy of tk+ and tk- herpes simplex virus experimental keratitis. | the acyclic nucleoside phosphonate analogue pmea [9-(2-phosphonylmethoxyethyl)adenine] is a broad spectrum antiviral agent effective against dna viruses and retroviruses. it is particularly active against the human immunodeficiency virus and, like other phosphonylmethoxyalkyl derivatives, it also inhibits hsv-1, tk- hsv-1 and hsv-2. we have evaluated the therapeutic efficacy of pmea in the hsv-1 and tk- hsv-1 experimental keratitis models using bvdu (bromovinyldeoxyuridine) as the reference comp ... | 1991 | 1650660 |
protective effect of anti-glycoprotein d antibody on herpetic chorioretinitis in newborn rabbits. | subcutaneous injection of type 2 herpes simplex virus (hsv-2) (10(3) pfu) to newborn rabbits produced severe skin lesions and wide dissemination of the virus to various organs including the eye. ocular lesions were characterized by retinal folds and choroiditis. hsv could be isolated from mononuclear cells (mncs) of infected animal blood. newborn rabbits treated with monoclonal antibody (mab) against glycoprotein d (gd) of hsv on days 0, 2 and 4 postinfection had little or no skin lesions (0.0-2 ... | 1991 | 1650664 |
differences in the capacity of two herpes simplex virus isolates to spread from eye to brain map to 1610 base pairs of dna found in the gene for dna polymerase. | a intertypic recombinant, designated hsv-r(d1), had previously been generated from non-neuroinvasive hsv-2(186) and neuroinvasive hsv-1(17). although the recombinant contained less than 2% of the hsv-1 genome, it retained the neuroinvasive phenotype. the nucleotide sequences responsible for the neuroinvasiveness of hsv-r(d1) were previously mapped to a 3.0 kb segment of dna located within the dna polymerase gene (mu 0.414 to 0.430) via marker rescue experiments. we have now sequenced this region ... | 1991 | 1650671 |
evidence endogenous interferon production contributed to the lack of ocular virulence of an hsv intertypic recombinant. | an intertypic recombinant isolated from rabbit kidney cells following co-transfection of hsv-1(17) and hsv-2(186) dna failed to induce overt ocular pathology when inoculated onto the murine sacrificed cornea at concentrations as high as 10(7) pfu per eye. in contrast, both parents induced corneal disease at a 1000-fold lower dose. the reason(s) for the failure of the intertypic recombinant, designated ro25x, to induce corneal pathology was investigated. it was found that the recombinant was 100- ... | 1991 | 1650672 |
necrotizing myelopathy associated with malignancy caused by herpes simplex virus type 2: clinical report of two cases and literature review. | two cases of necrotizing myelopathy, one with lung carcinoma and the other with adult t cell leukemia (atl), displayed flaccid paraplegia and sphincter dysfunction. both cases did not show any direct neoplastic cell invasion of the spinal cord. pathologically, diffuse and random necrosis was found in the spinal cord in both cases. in the case of atl, small numbers of inclusion bodies in the nerve cell nuclei were demonstrated. using polyclonal and also monoclonal antibodies, herpes simplex virus ... | 1991 | 1650859 |
synthesis and anticancer and antiviral activities of various 2'- and 3'-methylidene-substituted nucleoside analogues and crystal structure of 2'-deoxy-2'-methylidenecytidine hydrochloride. | various 2'- and 3'-methylidene-substituted nucleoside analogues have been synthesized and evaluated as potential anticancer and/or antiviral agents. among these compounds, 2'-deoxy-2'-methylidene-5-fluorocytidine (22) and 2'-deoxy-2'-methylidenecytidine (23) not only demonstrated potent anticancer activity in culture against murine l1210 and p388 leukemias, sarcoma 180, and human ccrf-cem lymphoblastic leukemia, producing ed50 values of 1.2 and 0.3 microm, 0.6 and 0.4 microm, 1.5 and 1.5 microm, ... | 1991 | 1652024 |
inability of enzyme immunoassays to discriminate between infections with herpes simplex virus types 1 and 2. | to determine the accuracy of three commercial enzyme immunoassays in detecting and subtyping antibodies to herpes simplex virus type 1 or 2. | 1991 | 1652909 |
nucleotide and deduced amino acid sequences of the gene encoding virion protein 16 of herpes simplex virus type 2. | a virion protein (vp16) of herpes simplex virus (hsv) activates transcription of viral immediate-early genes. we have determined the nucleotide sequence of the virion activator gene from hsv-2, which we term vp16-2. comparison of the deduced amino acid sequences of the hsv-1 and hsv-2 homologs shows that the vp16-2 gene product retains features determined to be important for transcriptional activation by vp16. | 1991 | 1653757 |
seroreactive recombinant herpes simplex virus type 2-specific glycoprotein g. | the herpes simplex virus type 2 (hsv-2) genome codes for an envelope protein, glycoprotein g (gg), which contains predominantly type 2-specific epitopes. a portion of this gg gene has been expressed as a fusion protein in escherichia coli. expression was regulated by a lambda phage pl promoter. the 60,000-molecular-weight recombinant protein was purified by ion-exchange chromatography. amino acid sequence analysis confirmed the n terminus of the purified protein. mice immunized with recombinant ... | 1991 | 1653787 |
herpes simplex virus glycoprotein c is a receptor for complement component ic3b. | herpes simplex virus type 1-infected cells bind c3b and ic3b, but not c3d, at the cell surface. herpes simplex virus type 2 (hsv-2)-infected cells bind none of these c3 fragments. a transfection assay was used to demonstrate that binding of ic3b was to gc1. although ic3b did not bind to hsv-2-infected cells, it did bind to mammalian cells transfected with the gc2 gene. using linker insertion mutants, three domains on gc2 that are important for binding ic3b were mapped; these regions were similar ... | 1991 | 1654359 |
cleavage of the bovine herpesvirus glycoprotein b is not essential for its function. | herpes simplex virus glycoprotein b (hsvgb) and its bovine herpesvirus homologue (bhvgb) share similar primary structures. these glycoproteins are present in the envelope of the virion and are believed to initiate infection by fusing the virus envelope with a host cell membrane. bhvgb, like the membrane-fusing glycoproteins of most enveloped viruses, is normally cleaved and is present as a disulphide-linked complex in the virus envelope and host cell membranes. hsvgb, however, remains uncleaved, ... | 1991 | 1654372 |
the rl neurovirulence locus in herpes simplex virus type 2 strain hg52 plays no role in latency. | we have demonstrated that the variant jh2604 of the herpes simplex virus type 2 (hsv-2) strain hg52 is completely avirulent in balb/c mice following intracranial inoculation, with an ld50 of greater than 10(7) p.f.u./mouse compared to the wild-type ld50 of less than 10(2) p.f.u./mouse. in jh2604, a 1.5 kbp deletion extends from the dr1/ub junction of the 'a' sequence to 511 bp upstream of the 5' end of ie1 in both long repeats. we have since constructed a second variant (2701) in which only 850 ... | 1991 | 1654382 |
the nucleotide sequence, 5' end, promoter domain, and kinetics of expression of the gene encoding the herpes simplex virus type 2 latency-associated transcript. | the sequence of the herpes simplex virus type 2 (hsv-2) latency-associated transcript (lat) region resembles that of hsv-1 only where the lats overlap icp0 and in the putative promoter region. otherwise, the lat 5' ends, kinetics of expression, and promoter elements are mostly conserved between hsv-1 and hsv-2. the remaining differences between the lats could contribute to each virus's distinctive pattern of reactivation. | 1991 | 1654458 |
enhanced malignant transformation induced by expression of a distinct protein domain of ribonucleotide reductase large subunit from herpes simplex virus type 2. | the 1.3-kilobase (kb) pst i dna fragment c (pst i-c) of herpes simplex virus type 2 (hsv-2) morphological transforming region iii (mtriii; map unit 0.562-0.570) encodes part of the n-terminal half of the large subunit of ribonucleotide reductase (rr1; amino acid residues 71-502) and induces the neoplastic transformation of immortalized cell lines. to assess directly the role of these rr1 protein sequences in cell transformation, the pst i-c fragment was cloned in an expression vector (p91023) co ... | 1991 | 1654564 |
modulation of lymphoproliferation and oxidative burst by herpes-transformed tumors. | in this study, herpes simplex virus type 2 (hsv-2)-transformed cells (h238) and conditioned medium (cm) from h238 cell cultures were studied with respect to their effects on lymphoproliferation and the chemiluminescent oxidative burst of phagocytic cells. the h238 cells expressed a nuclear antigen detectable by fluorescent antibody testing using pooled sera from tumor-bearing mice, but no hsv-1 or hsv-2 cell membrane antigens could be found using specific monoclonal antibodies. balb/c mice subcu ... | 1991 | 1654931 |
screening pregnant women for genital herpes. | in a prospective study to identify the viral type isolated from women undergoing screening for herpes simplex virus (hsv) during pregnancy using fluoroscine-labelled monoclonal antibodies to hsv-1 and hsv-2, hsv-2 was more likely to be isolated during the third trimester and was the only viral type isolated at term. as the severity of neonatal central nervous system disease is greater with hsv-2 than hsv-1 we recommended that all women with a history of genital herpes should be screened during p ... | 1991 | 1655058 |
genital warts, other sexually transmitted diseases, and vulvar cancer. | to determine whether specific sexually transmitted diseases were associated with an increased risk of vulvar cancer, we conducted a case-control study among residents of three countries in western washington. we identified, interviewed, and obtained blood samples from women with in situ (n = 180) and invasive (n = 53) vulvar cancer, 18-79 years of age, who were first diagnosed with these diseases during 1980-1988. we compared their responses with those of 466 women from the general population wh ... | 1991 | 1655066 |
herpes simplex virus type 2: a possible interaction with human papillomavirus types 16/18 in the development of invasive cervical cancer. | a case-control study of 766 histologically confirmed incident cases of invasive cervical cancer and 1,532 hospital and community controls was conducted in latin america to evaluate the etiologic role of herpes simplex virus type 2 (hsv-2) and to examine whether hsv-2 interacts with other risk factors. in addition to a personal interview, all subjects were asked to donate blood samples and cervical swabs for assessment of exposure to hsv-2 and human papillomaviruses (hpvs) respectively. ninety-ei ... | 1991 | 1655658 |
the herpes simplex virus 1 protein kinase encoded by the us3 gene mediates posttranslational modification of the phosphoprotein encoded by the ul34 gene. | earlier studies have shown that a herpes simplex virus 1 (hsv-1) open reading frame, us3, encodes a novel protein kinase and have characterized the cognate amino acid sequence which is phosphorylated by this enzyme. this report identifies an apparently essential viral phosphoprotein whose posttranslational processing involves the viral protein kinase. analyses of viral proteins phosphorylated in the course of productive infection revealed a phosphoprotein whose mobility was viral protein kinase ... | 1991 | 1656069 |
evaluation of sq 34,514: pharmacokinetics and efficacy in experimental herpesvirus infections in mice. | the new antiviral nucleoside sq 34,514 [(1r-1 alpha, 2 beta, 3 alpha)-2-amino-9- [2,3-bis(hydroxymethyl)cyclobutyl]-6h-purin-6-one], the active r isomer of racemic sq 33,054 (cyclobut-g), was evaluated for efficacy in the treatment of herpesvirus infections in mice. sq 34,514 was orally efficacious in a herpes simplex virus type 1 (hsv-1) systemic infection, an intracerebral hsv-2 infection, a vaginally induced hsv-2 infection in ovariectomized mice, and in a systemic murine cytomegalovirus infe ... | 1991 | 1656863 |
clinical and serologic features of herpes simplex virus infection in patients with aids. | we studied the natural history of herpes simplex virus (hsv) infection and its association with specific serum antibody in a sample of 68 hiv-infected patients with a first episode of pneumocystis carinii pneumonia at san francisco general hospital in 1986. seroprevalence was 66 and 77% for hsv-1 and hsv-2 antibody, respectively, by immunoblot assay. twenty-seven patients had 45 hsv outbreaks diagnosed during 739 patient-months of follow-up. median frequency of recurrence resulting in a medical ... | 1991 | 1657040 |
herpes simplex virus type 1 that exhibits herpes simplex virus type 2 sensitivity to (e)-5-(2-bromovinyl)-2'-deoxyuridine. | a clinical isolate, designated 145, of herpes simplex virus (hsv) had type 1 characteristics as determined by monoclonal antibody immunofluorescence, heat stability of viral thymidine kinase (tk), bamhi restriction endonuclease pattern, and absence of the hsv-2-specific 38-kd protein. however, instead of being sensitive to e-5-(2-bromovinyl)-2'-deoxyuridine (bvdu) like hsv-1, isolate 145 displayed a resistance pattern like hsv-2 to the drug as determined by viral replication and viral dna synthe ... | 1991 | 1657822 |
a truncated protein kinase domain of the large subunit of herpes simplex virus type 2 ribonucleotide reductase (icp10) expressed in escherichia coli. | the amino-terminal domain of the large subunit of herpes simplex virus type 2 ribonucleotide reductase (icp10) contains a serine/threonine-specific protein kinase that has characteristics of a growth factor receptor (chung, t. d., wymer, j. p., smith, c. c., kulka, m., and aurelian, l. (1989) j. virol. 63, 3389-3398; chung, t. d., wymer, j. p., kulka, m. smith, c. c., and aurelian, l. (1990) virology 179, 168-178). to characterize this protein kinase (pk) domain further we constructed a bacteria ... | 1991 | 1657940 |
abolition of the rl neurovirulence phenotype of herpes simplex virus type 2 strain hg52 does not require deletion of the dr1 element of the 'a' sequence. | we have characterized a spontaneous variant of herpes simplex virus type 2 (hsv-2) strain hg52, 2616, which has 786 bp of both copies of rl deleted, but which retains 782 bp upstream of the 5' end of immediate early gene 1 and 463 bp downstream of the 'a' sequence. variant 2616 is avirulent following intracerebral inoculation of balb/c mice, thus showing in vivo characteristics similar to those of variant 2604, described previously (a 1488 bp deletion incorporating the dr1 element of the 'a' seq ... | 1991 | 1658204 |
sequence, function, and regulation of the vmw65 gene of herpes simplex virus type 2. | we determined the sequence of the gene for the virion transactivator protein vmw65 of herpes simplex virus type 2 (hsv-2), strain 333. an analysis of the coding sequence revealed an overall high degree of primary sequence conservation (86%) relative to the hsv-1 protein, although the carboxy-terminal region which encompasses the powerful acidic transactivation domain of the hsv-1 protein was slightly less well conserved (70%). one important change in this region was the presence of a proline res ... | 1991 | 1658370 |
effects of cytokines and r-837, a cytokine inducer, on uv-irradiation augmented recurrent genital herpes in guinea pigs. | we have recently reported that latently hsv-2-infected guinea pigs exhibit a three- to four-fold increase in recurrent lesions after exposure to ultraviolet radiation (uv), allowing rapid evaluation of antiviral drugs in treating recurrent hsv disease. in this report we examine the effect of alpha interferon (ifn-alpha), interleukin-2 (il-2), and a cytokine inducer (r-837) on uv-induced recurrent genital herpes. we have previously shown that topical r-837 is a biologic response modifier with no ... | 1991 | 1659313 |
development and evaluation of an elisa using secreted recombinant glycoprotein b for determination of igg antibody to herpes simplex virus. | an elisa for the determination of igg antibody to herpes simplex virus (hsv) was developed using a secreted recombinant hsv-1 glycoprotein b (gb-1s) as a solid phase. the clinical validity of the elisa was established by testing different groups of sera containing hsv-1, hsv-2, or mixed antibody, in parallel with gb-1s elisa and conventional hsv-1/hsv-2 elisa. the new gb-1s elisa detected hsv-1/hsv-2 antibody in sera from 48 subjects with either hsv-1 or hsv-2 past infection as well as in sera f ... | 1991 | 1659581 |
the pathogenicity of ribonucleotide reductase-null mutants of herpes simplex virus type 1 in mice. | the pathogenicity of ribonucleotide reductase (rr)-null mutants (hrr3 and icp6 delta) of herpes simplex virus (hsv) type 1 was studied after intracerebral and corneal inoculation in newborn and adult icr mice. icp6 delta failed to replicate in brains of mice greater than or equal to 8 days old but exhibited significant virulence for newborn mice as a result of viral replication in the brains. the rr- and a thymidine kinase (tk)-deficient mutant of hsv-1 strain kos could grow in eye tissues of ad ... | 1991 | 1659596 |
evaluation of a test based on baculovirus-expressed glycoprotein g for detection of herpes simplex virus type-specific antibodies. | an immunoblot assay for discrimination of antibodies to herpes simplex virus (hsv) types 1 and 2 was devised using extracts of recombinant-baculovirus-infected insect cells expressing hsv-1 or -2 glycoprotein g (gg1 or gg2). the assay was evaluated by comparing its results with those obtained by using an immunodot assay based on gg immunopurified from hsv-1- and hsv-2-infected cells. each of 110 human serum specimens was tested blindly and independently three times. at a serum dilution of 1:20, ... | 1991 | 1659601 |
recurrent herpes simplex virus type 2 encephalitis in a preterm neonate. favourable outcome after prolonged acyclovir treatment. | we describe a case of recurrent herpes simplex virus type 2 (hsv-2) central nervous system infection in a preterm neonate. on two occasions, encephalitis occurred together with eruption of vesicles on the right arm, and the patient was treated with acyclovir. new recurrences of vesicles followed each attempt to discontinue antiviral treatment, and prompted a continuous long-term acyclovir prophylaxis. at three years of age, the patient has developed normally. the use of immunoblotting for serolo ... | 1991 | 1659768 |
suppression of immune responses by herpes virus type 2-transformed murine tumor cells. | work done in our laboratories, using a murine model, indicates that suppression of host immune responses might be due to secretion of soluble factors by tumor cells. the h238 cells (balb/c embryonic fibroblasts transformed by uv-inactivated herpes simplex virus type 2) exhibit progressive tumor growth with subsequent decrease in lymphoproliferation. to further study the suppressive effects of a tumor, h238 conditioned medium (cm) was tested for its ability to block murine and human mitogenic and ... | 1991 | 1660030 |
antiviral activity of 1-docosanol, an inhibitor of lipid-enveloped viruses including herpes simplex. | this article reports that 1-docosanol, a 22-carbon-long saturated alcohol, exerts a substantial inhibitory effect on replication of certain viruses (e.g., herpes simplex virus and respiratory syncytial virus) within primary target cells in vitro. to study the basis for its viral inhibitory activity, a suspension of 1-docosanol was formulated in an inert and nontoxic surfactant, pluronic f-68; this suspension exerted potent inhibitory activity on the ability of susceptible viruses to infect cultu ... | 1991 | 1660151 |
apical expression of herpes simplex virus type 2 glycoproteins in human neuroblastoma cells. | the expression of herpes simplex virus type 2 (hsv-2) glycoproteins on the surface of human neuroblastoma cells has been investigated using millipore millicell culture plate inserts. utilizing a modified radioimmunoassay, we learned that glycoproteins b, c, d, e, and i were expressed predominantly on the apical membrane domain of the infected neuroblastoma cells. the unidirectional transport of hsv-2 glycoproteins was substantiated by the analysis of extracellular glycoproteins released from neu ... | 1991 | 1660208 |
improved detection of hsv by electron microscopy in clinical specimens using ultracentrifugation and colloidal gold immunoelectron microscopy: comparison with viral culture and cytodiagnosis. | three tests were compared to diagnose herpes virus infection: electron microscopy (em), viral culture (vc) and cytodiagnosis (tzanck smear). the study comprised 67 patients with skin or mucous membrane lesions suggestive of herpes simplex virus (hsv) infection. the sensitivity of em increased 25% after virus concentration by ultracentrifugation. herpes virus infection was confirmed in 55 of the 67 cases by em or vc or both. em detected 53 herpes virus-positive lesion samples of which 14 were not ... | 1991 | 1660490 |
efficacy of hsv-1 iscom vaccine in the guinea-pig model of hsv-2 infection. | the capability of a herpes simplex virus (hsv)-1 iscom vaccine to protect against intravaginal hsv-2 challenge infection in guinea-pigs is described. the protective efficacy of the hsv-1 iscom vaccine is compared with that of a purified, aqueous hsv-1 antigen preparation administered using a similar immunization schedule. the results show that female guinea-pigs immunized with two doses of hsv-1 iscom vaccine, each consisting of 20 micrograms of protein given 2 weeks apart responded with high el ... | 1991 | 1661978 |
comparative sequence analysis of the long repeat regions and adjoining parts of the long unique regions in the genomes of herpes simplex viruses types 1 and 2. | we report the determination of the dna sequence of the long repeat (rl) region and adjacent parts of the long unique (ul) region in the genome of herpes simplex virus type 2 (hsv-2) strain hg52. the dna sequences and genetic content of the extremities of hsv-2 ul were found to be closely similar to those determined previously for hsv-1. the 5658 bp sequenced at the left end of hsv-2 ul contained coding regions for genes ul1 to ul4 plus part of ul5. the 4355 bp sequenced at the right end of ul co ... | 1991 | 1662697 |
a transformation-specific polypeptide distinct from heat shock proteins is induced by herpes simplex virus type 2 infection. | a tumour-specific polypeptide designated u90 is one of a set of polypeptides which are encoded by the host cell and are specific for the transformed cell state, being immunoprecipitated by the sera of tumour-bearing animals. the interest in these tumour-specific polypeptides centres on the finding that they are also recognized by antisera raised against herpes simplex virus type 2 (hsv-2)-infected cells, implying some role for hsv-2 in tumorigenesis. the peptide map of hsv-2-induced u90 is indis ... | 1991 | 1662699 |
discrimination of herpes simplex virus types 1 and 2 cerebral infections in a rat model. | a rat model was used to evaluate intertypic differences after intracranial (i.c.) inoculation of herpes simplex virus (hsv) types 1 and 2 strains with regard to neurovirulence and neuropathology, and influence of age on susceptibility. in adult rats, hsv-1 strains were more virulent than hsv-2 strains. hsv-1 replicated to higher titers in the central nervous system (cns) of rats, as compared with hsv-2. in rats of less than 2-3 weeks of age, hsv-1 and hsv-2 were equally virulent, but morphologic ... | 1991 | 1662855 |
genomic sequences homologous to the protein kinase region of the bifunctional herpes simplex virus type 2 protein icp10. | the large subunit of herpes simplex virus type 2 (hsv-2) ribonucleotide reductase (icp10) consists of two functional domains. the amino (n)-terminal domain at residues 1-411 has serine/threonine-specific kinase activity (pk domain) and is encoded by a dna fragment with transforming potential (15,17). the remaining region is required for ribonucleotide reductase activity (rr domain) (14, 15). computer-assisted comparison of the icp10 sequence to the embl database 21 has revealed sequences within ... | 1991 | 1663292 |
amplification and characterization of herpesvirus dna in cerebrospinal fluid from patients with acute encephalitis. | a single pair of oligonucleotide primers selected within a highly conserved region of the dna polymerase gene of the herpesviruses was designed to amplify related viral genomes, i.e., herpes simplex virus type 1, herpes simplex virus type 2, epstein-barr virus, and cytomegalovirus, by the polymerase chain reaction. a simple restriction enzyme analysis of these amplified products allowed accurate characterization of the herpesvirus type. ninety-nine cerebrospinal fluid samples from 36 patients (i ... | 1991 | 1663508 |
clinical studies with herpes simplex virus type 2 curtis strain vaccine. | 1991 | 1664125 | |
development of a herpes simplex virus subunit glycoprotein vaccine for prophylactic and therapeutic use. | a herpes simplex virus subunit vaccine has been tested for immunogenicity and protective efficacy in animal models. the vaccine is a mixture of the viral glycoproteins gb and gd expressed in mammalian cells as secreted carboxyl terminal truncated derivatives. the antigens have been combined with several adjuvants, including a lipophilic derivative of a muramyl tripeptide, mtp-pe, and administered in a stable, low-oil emulsion. titers of antibody that are threefold to 15-fold greater than those o ... | 1991 | 1664126 |
evaluation of herpes simplex virus vaccines in animals: the guinea pig vaginal model. | the guinea pig model of genital herpes has proved useful for the evaluation of experimental herpes simplex virus vaccines. the model shares many of the features of genital herpes in humans, including a natural route of inoculation that results in self-limiting primary vulvovaginitis. latent infection is established in sensory ganglia, and animals experience both spontaneous and ultraviolet radiation-induced recurrence of infection. many humoral, cellular, and cytokine responses to herpes simplex ... | 1991 | 1664129 |
immune responses to herpes simplex virus in guinea pigs (footpad model) and mice immunized with vaccinia virus recombinants containing herpes simplex virus glycoprotein d. | vaccinia virus recombinants containing the herpes simplex virus (hsv) gene for glycoprotein d type 1 (gd-1) under control of an early (vp176) or late (vp254) vaccinia virus promoter or for hsv glycoprotein type 2 (gd-2) under control of the early promoter (vp221) were studied for their ability to induce protective immunity to hsv-2 in the guinea pig model of cutaneous recurrent disease and the mouse model of fatal disease. titers of hsv-specific neutralizing antibody were similar in the two grou ... | 1991 | 1664130 |
herpes simplex virus infection in populations of mouse dorsal root ganglion neurons: effects of inoculation route and virus strain. | to investigate whether herpes simplex virus type-2 (hsv-2) infection of sensory ganglion neurons is restricted to a particular neuronal class, we unilaterally inoculated either the footpad, leg muscle or sciatic nerve of mice with strains of hsv-2 that differ in virulence and examined the soma sizes of lumbar dorsal root ganglion (drg) neurons containing viral antigen near the peak of acute infection. each inoculation route appeared relatively selective for a different portion of the neuronal si ... | 1991 | 1665505 |
[a comparison of the results of analyzing the clinical data from gynecological, ophthalmological and dental patients using a set of rapid methods for the diagnosis of herpesvirus infection]. | analysis of biological specimens from gynecological, ophthalmological, and stomatological patients was carried out using current express methods for diagnosis of herpes virus infection developed by the authors: enzyme immunoassay (eia), time-resolved fluoroimmunoassay (tr-fia), molecular hybridization and conventional immunofluorescence technique. monoclonal antibodies (mca) generated by us with epitope specificity for gpd hsv-2 were used in eia and tr-fia. f(ab')2-fragments of mca used as sorbe ... | 1991 | 1665621 |
inhibition of herpes simplex virus types 1 and 2 replication in vitro by mercurithio analogs of deoxyuridine. | the in vitro antiviral activity of several 5-mercurithio analogs of 2'-deoxyuridine (durd) on the replication of herpes simplex virus types 1 (hsv-1) and 2 (hsv-2) were examined. of those compounds tested, the thioglycerol analog of 5-mercuri-2'-deoxyuridine (hgdurd) was most effective in inhibiting the replication of hsv-1 in kb cells with a 50% inhibitory dose (id50) of 0.001 micrograms/ml while the glutathione analog of hgdurd was the most effective in inhibiting the replication of hsv-2 with ... | 1991 | 1665962 |
virological and clinical characteristics of human herpesvirus 6. | six distinct human herpesviruses have been identified. they include herpes simplex virus type 1 and type 2 (hsv-1 and hsv-2), cytomegalovirus (cmv), varicella-zoster virus (vzv), epstein-barr virus and the recently described human herpesvirus 6 (hhv-6). with the exception of hsv-2, the members of the family are ubiquitous and infect most of the human population in the first decade of life. hhv-6 possesses morphological and structural features characteristic of members from the herpesvirus family ... | 1991 | 1666441 |
vaccination against herpesvirus, fiction or reality? | against herpes simplex type 1 (hsv-1) there are commercially available vaccines which may induce protection against symptoms of primary infections, but not against establishment of latency. effective animal vaccines have been developed against herpes simplex-like viruses, for example pseudorabies vaccine for pigs, and an experimental vaccine can protect cattle against infection with infectious bovine rhinotracheitis (ibr) virus. there are also commercially available effective live vaccines again ... | 1991 | 1666442 |
one year acyclovir suppression of frequently recurring genital herpes: a study of efficacy, safety, virus sensitivity and antibody response. | the efficacy of oral acyclovir 400 mg twice daily in suppressing frequently relapsing genital herpes simplex was evaluated in an open multicenter study. seventy-one patients were treated for 12 months. during treatment, 73% of the patients were completely free of symptoms when taking the tablets continuously, and another 14% had mild symptoms such as erythema and/or itching at single occasions. an accidental treatment interruption for 2-4 days led to mild but definite herpes episodes within a fe ... | 1991 | 1666444 |
suppression of ocular herpes recurrences by a thymidine kinase inhibitor in squirrel monkeys. | 5'-ethynylthymidine, an inhibitor of viral thymidine kinase (tk), was given intraperitoneally to squirrel monkeys previously infected by the ocular route with rodanus strain herpes simplex virus. spontaneous ocular recurrences were reduced during therapy, compared to saline-treated controls. this is the first in vivo demonstration that a viral tk inhibitor can reduce recurrences of hsv-1. similar benefit would be expected for hsv-2 and perhaps vzv (varicella zoster virus). | 1991 | 1666825 |
isolation and typing of herpes simplex virus from clinical specimens collected at national taiwan university hospital, 1981-1990. | from 1981 to 1990, 10,167 clinical specimens were collected at national taiwan university hospital from the cases with suspected viral infections. three hundred of herpes simplex virus (hsv) were isolated from these samples (isolation rate; 3.0%). one hundred and fifty-one strains were isolated from non-genital, and 149 strains from genital areas. hsv strains were typed by direct immunofluorescence staining technique. the type specific monoclonal antibodies were used in the test. most of the hsv ... | 1991 | 1667988 |
condom issues in aids prevention in africa. | in vitro studies have demonstrated that an intact latex condom provides an effective barrier against several sexually transmitted pathogens, including herpes simplex virus type 2, hepatitis b virus, cytomegalovirus, hiv, neisseria gonorrhea, chlamydia trachomatis, and mycoplasma. this paper discusses some of the major advances and critical issues which should be incorporated in condom program design and implementation. the authors drew extensively from their experience with family health inter ... | 1991 | 1669918 |
differential susceptibility of a rat glioma cell line and its clones to herpes simplex virus types 1 and 2. | a rat glioma cell line, c6-bu-1, showed differential susceptibility to herpes simplex virus type 1 (hsv-1) and type 2 (hsv-2), namely, all the hsv-1 strains tested so far persisted in this cell line but the hsv-2 strains did not. two clones were derived from c6-bu-1 cells and designated c-17 and c-72. the c-72 as well as the parental c6-bu-1 cells supported the replication of hsv-1, but not that of hsv-2. in contrast, c-17 was highly resistant to both hsv-1 and hsv-2. hydrocortisone treatment co ... | 1991 | 1681710 |
type-common and type-specific monoclonal antibodies to herpes simplex virus types 1 and 2. | seventeen monoclonal antibodies (mabs) reacting specifically with the cells infected with herpes simplex viruses type 1 (hsv-1) and type 2 (hsv-2) were characterized by a variety of immunological tests such as radioimmunoprecipitation, immunoblotting and virus-neutralization. the majority of mabs was directed against glycoprotein b (anti-gb), six reacted with glycoprotein c (anti-gc) and one with glycoprotein g (anti-gg). six anti-gb mabs reacted with both types of hsv (anti-gb-1,2), two anti-gb ... | 1991 | 1681713 |
effect of selected neuroleptic agents and stereo-isomeric analogues on virus and eukaryotic cells. | chlorpromazine, cis(z)-chlorprothixene (truxal), and the non-neuroleptic trans(e)-chlorprothixene and trans(e)-flupenthixol were studied in vitro for possible antiviral effect on herpes simplex virus 2 and for toxic effect on human diploid fibroblasts. based on an enzyme-linked immunosorbent assay (elisa) antiviral activity was demonstrated for all the compounds in the concentration range 0.39 micrograms/ml-25 micrograms/ml. a cell-toxic effect was shown in the higher concentration range for all ... | 1991 | 1682908 |
acyclovir resistant genital herpes virus infection in a patient with aids. | three acyclovir resistant strains of hsv-2 were isolated from mucoulcerative lesions in a patient suffering from aids in whom the oral and intravenous acyclovir treatment was unsuccessful. all the isolates were classified by monoclonal antibodies and showed no differences in dna restriction patterns. | 1991 | 1683121 |
[the isolation and characteristics of monoclonal antibodies to different proteins of the herpes simplex virus types 1 and 2]. | the authors prepared 156 mouse hybridomas producing monoclonal (mca) antibodies to type- and group-specific antigenic determinants of hsv-1 and hsv-2. seven of them were studied at length by western blot and radioimmunoprecipitation methods. the cell lines 1h97 and 2h141 were shown to produce immunoglobulins of g2 beta and m class, respectively, and were directed against group-specific antigenic determinants of the major nucleocapsid protein p150. the cell lines 1h38 and 1h110 produced immunoglo ... | 1992 | 1281945 |
[the inhibitory effects of catechin derivatives on the activities of human immunodeficiency virus reverse transcriptase and dna polymerases]. | catechin derivatives including (-)-epicatechin gallate (ecg), (-)-epigallocatechin gallate (egcg), (-)-epigallocatechin (egc) and green tea extract (gte) were found to inhibit the activities of cloned human immunodeficiency virus type 1 reverse transcriptase (hiv-1 rt), duck hepatitis b virus replication complexes reverse transcriptase (dhbv rcs rt), herpes simplex virus 1 dna polymerase (hsv-1 dnap) and cow thymus dna polymerase alpha (ct dnap alpha). egcg and ecg were shown to be very potent i ... | 1992 | 1284389 |
herpes simplex virus type 2 and pseudorabies virus associated growth factors and their role in the latency in vitro. | a putative herpes simplex virus type 2 (hsv-2) growth factor (hsgf-2) was detected in a crude extract from virus infected mouse embryo cells. this factor, similar to previously described pseudorabies virus (prv) associated growth factor (prgf) was shown to have ability to morphologically transform non-transformed cells and to repress the transformed phenotype of transformed cells. both activities could be neutralized with two, out of seven monoclonal antibodies directed against glycoprotein b of ... | 1992 | 1284865 |
neonatal herpes simplex: royal women's hospital 10-year experience with management guidelines for herpes in pregnancy. | in the 10-year period 1982-1991 inclusive, 6 cases of neonatal herpes simplex were diagnosed at the royal women's hospital, melbourne (1 disseminated, 1 pneumonitis, 4 cutaneous [1 with central nervous system involvement]), resulting in an incidence of 1 in 11,000 livebirths for this population. three cases were due to hsv 1 and 3 to hsv 2. in no case did the mother have a recent or past history of overt genital herpes infection. two cases were acquired in utero, an uncommonly recognized form of ... | 1992 | 1290430 |
herpes simplex virus infection as a risk factor for human immunodeficiency virus infection in heterosexuals. | to determine if infection with herpes simplex virus (hsv) type 2 is associated with human immunodeficiency virus (hiv) type 1 infection among patients attending sexually transmitted diseases clinics, a case-control study was done on coded sera from 179 hiv-1-infected patients and 367 age-, race-, and gender-matched hiv-1-seronegative patients. although only 13 (2.3%) of 546 patients had a history of genital herpes treatment, 72% and 56.6%, respectively, had serologic evidence of prior infection ... | 1992 | 1309846 |