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herpes simplex virus type 2 transcripts in trigeminal ganglia during acute and latent infection in mice.adult mice were inoculated intracerebrally with herpes simplex virus type 2 (hsv-2), and perfused at days 5, 8, 81, 108, and 130 after infection. trigeminal ganglia and roots were dissected out and embedded in paraffin. four 35s-labelled dna probes that contained immediate-early (icp-0, icp-4), delayed-early (thymidine kinase; tk), or late (morphological transforming region; mtr) genes were prepared. in situ hybridization methods or an immunoperoxidase antigen method using hsv-2 antibody were ap ...19892592985
rapid detection of cytomegalovirus in cell culture by indirect immunoperoxidase staining with monoclonal antibody to an early nuclear antigen.a method for the rapid detection of cytomegalovirus (cmv) in mrc-5 cells 48 h after inoculation with clinical specimens was developed. a commercially available monoclonal antibody to a cmv early nuclear antigen was used in an indirect immunoperoxidase (ipa) staining procedure performed directly on acetone-fixed cell monolayers in standard tubes (16 by 125 mm). of 190 clinical specimens tested, 30 specimens produced cmv cytopathic effect in tissue culture (tc-cpe) within 14 days after inoculation ...19852581991
antibody response to type-common and type-unique epitopes of herpes simplex virus polypeptides.herpes simplex virus type 1 (hsv1) and type 2 (hsv2) polypeptides with type-common and type-unique epitopes were identified using cross-adsorbed hyperimmune rabbit sera and western blotting techniques. twelve hsv1 and fourteen hsv2 polypeptides with type-specific epitopes were identified. cross-adsorbed human sera reacted to a subset of the type-specific epitopes defined by rabbit sera. human sera with both hsv1- and hsv2-specific antibodies were identified by their reaction to hsv1-type-specifi ...19852580054
frequency of herpes simplex virus-specific helper t lymphocyte precursors in the lymph node cells of infected mice.we have established a limited dilution assay to estimate the frequency of herpes simplex virus type 1 (hsv)-specific, interleukin 2 (il 2)-producing helper t lymphocyte precursors (htl-p). the estimated frequency of such cells in suspensions of local lymph node (ln) cells 5 days after in vivo virus infection was 1:2470 to 1:5800. frequencies of htl-p in cells from uninfected mice were below levels of detection of our system and were judged to be below 1:100,000. removal of lyt-2+ cells from resp ...19852579150
human cytotoxic t cell clones directed against herpes simplex virus-infected cells. iii. analysis of viral glycoproteins recognized by ctl clones by using recombinant herpes simplex viruses.human cytotoxic t cell (ctl) clones specific for herpes simplex virus (hsv) type 1- and type 2-infected cells were generated and were analyzed with regard to the viral glycoproteins they recognize on autologous hsv-infected cells. by use of target cells infected with wild-type hsv strains, a gc deletion mutant of hsv-1, and hsv-1 x hsv-2 intertypic recombinants, some hsv-1-specific ctl clones were found to be directed against l region-encoded ga/b-1, and others against s region-encoded glycoprot ...19852579149
dna-binding protein associated with herpes simplex virus dna polymerase.purified preparations of herpes simplex virus type 2 dna polymerase made by many different laboratories always contain at least two polypeptides. the major one, of about 150,000 molecular weight, has been associated with the polymerase activity. the second protein, of about 54,000 molecular weight, which we previously designated icsp 34, 35, has now been purified. the purified protein has been used to prepare antisera (both polyclonal rabbit serum and monoclonal antibodies). these reagents have ...19852578573
studies on the herpes simplex virus alkaline nuclease: detection of type-common and type-specific epitopes on the enzyme.five monoclonal antibodies to the alkaline nuclease of herpes simplex virus (hsv) types 1 and 2 have been used in immunoperoxidase tests to demonstrate the nuclear localization of the enzyme within hsv-1- and hsv-2-infected cells and to purify the enzyme from cells infected with either virus by immunoadsorbant chromatography. affinity chromatography with a 32p-labelled extract of hsv-2-infected cells has enabled us to demonstrate that the nuclease eluting from the immunoadsorbant is a phosphopro ...19852578550
lack of antiviral activity of ketoconazole alone or in combination with the acyclic nucleoside ganciclovir against a herpes virus type 2 infection in mice.ketoconazole and ganciclovir were tested for antiviral activity, each alone and in combination, against a herpes simplex virus type 2 (hsv-2) systemic infection in swiss-webster mice. when given once daily for 5 days starting 24 hr after infection, the ed50 for ketoconazole either alone or in combination was greater than 60 mg/kg; for ganciclovir, the ed50 was 7.1 mg/kg alone and 10.8 mg/kg in combination. thus, ketoconazole did not potentiate or antagonize the antiviral activity of an acyclic n ...19892576599
some immunological characteristics of subjects suffering from frequent herpes simplex virus recrudescences.some parameters of specific and non-specific immunity were tested in a group of 44 subjects suffering from frequent herpes simplex type 1 (hsv-1) or herpes simplex type 2 (hsv-2) recrudescences. the tests performed included determinations of (i) hsv complement-independent and complement-dependent neutralizing antibodies, (ii) antibodies to glycoprotein c of hsv-1 and glycoprotein g of hsv-2, (iii) antibodies to viral capsid and early antigens of epstein-barr virus, (iv) antibodies to tetanus tox ...19892576584
hsv hepatitis in the mouse: a light and electron microscopic study with immunohistology and in situ hybridization.in order to characterize better the morphology and immune response in acute necrotizing hsv infection, murine hsv hepatitis was examined. balb/c mice were inoculated intraperitoneally with 10(6) plaque-forming units (pfu) of hsv-1 (lenette) and hsv-2 (d316). in both groups half the animals were pretreated with silica particles to block macrophage function. up to 6 days after infection four mice from each group were sacrificed at daily intervals and the livers were examined by light and electron ...19892567083
[maternal genital herpes: virus isolation during the third trimester of pregnancy and at delivery].we followed 42 pregnant women at high risk for genital herpes infection. viral isolation was attempted weekly from the 34th week of pregnancy. one or more episodes of herpes infection developed in 74% of women. the virus was isolated in 28% after 34 weeks and in 22% after 37 weeks. a prophylactic cesarean section was performed in the latter group; only one of these women had a positive viral isolation at delivery. the hsv-2 of virus was found in 83% of cases and hsv-1 in 17%.19892562415
[evaluation of 2 commercial monoclonal antibody kits for the identification of herpes simplex virus].two commercial monoclonal antibody kits (virgo and mikrotrak for the identification of herpes simplex virus (hsv) have been assessed. in 65 positive hsv cultures from clinical samples, 25 strains (38%) were identified as hsv1 with both kits. the virgo kit identified 37 strains (57%) as hsv2, and did not identify the remaining 3 (5%). with the microtrak kit, 34 strains (52%) corresponded to type 2, 2 (3%) strains remained nonidentified, and in the remaining 4 isolates (6%) both viral types were i ...19892562319
[characteristics and role of the gluteal herpes in a female population].based on the fact that the gluteal herpes may constitute the clinical expression of the reactivation of a herpes simplex virus latent at the sacral lymph node, we investigated a group of women who were carriers of gluteal herpetic infection, the characteristics of the infection, the virus type principally associated to it, and its possible relation with the genital herpes. forty one women with gluteal herpes verified by virologic laboratory were studied. 75.7% of these women had had in addition ...19892562294
[epidemiological evaluations of human immunodeficiency virus, herpes simplex virus type 1 and 2 and cytomegalovirus infections in drug addicts].eighty-eight drug addicts from the "ban center" in torre annunziata (naples) and 88 normal subjects pair-matched for age and sex were tested for igg to human immunodeficiency virus (hiv), herpes simplex virus (hsv) type 1 and 2 and cytomegalovirus (cmv). a high prevalence of subjects with antibodies to hsv-1 and cmv (80.7% and 65.9%) were recorded in the control group testifying to the high level of these infections in campania. prevalences were higher in drug addicts, and drug abuse was identif ...19892562004
the effect of cimetidine on survival of mice infected with herpes simplex virus type 2, murine encephalomyelitis virus and vesicular stomatitis virus infections.the effect of cimetidine on survival was investigated in mice infected with herpes simplex virus type 2 (hsv-2), murine encephalomyelitis virus (gd-vii), and vesicular stomatitis virus (vsv). balb/c mice, 5 weeks of age, were injected intraperitoneally (i.p.) with 5.5 x 10(5) plaque-forming units (pfu) of virus/0.5 ml, and cimetidine (1 mg/0.5 ml) was administered simultaneously. the survival rates of 80% and 85% in the cimetidine groups were significantly greater than the 10% and 23% for the co ...19892561403
anti-herpesvirus activity of carbocyclic oxetanocin g in vitro.a series of new compounds, carbocyclic oxetanocins, have been synthesized and their anti-herpesvirus activity determined. carbocyclic oxetanocin g (oxt-g) was most active against herpes simplex virus (hsv) and human cytomegalovirus (hcmv) among carbocyclic oxetanocins tested; the median effective concentrations (ec50) for hsv-1, -2, and hcmv were 0.23, 0.04 and 0.40 micrograms/ml, respectively. the ec50 value of carbocyclic oxt-g against hsv-2 was significantly lower than those of acyclovir, gan ...19892559911
synthesis and biological activity of dansyl thymidines.the synthesis of thymidines selectively dansylated in the 3'- and 5'-positions is reported. the biological investigation showed that these fluorescent nucleosides behave as competitive inhibitors of thymidine kinase (tk) from herpes simplex virus (hsv) and are endowed with a certain degree of antiviral activity against hsv-2 and hsv-1.19892559740
increased efficacy of ganciclovir in combination with foscarnet against cytomegalovirus and herpes simplex virus type 2 in vitro and in vivo.in tissue culture, efficacy against either murine cmv or hsv-2 was increased 27-fold for the acyclic nucleoside ganciclovir and 3-fold for foscarnet (trisodium phosphonoformate) when the 2 drugs were combined; whereas against human cmv, efficacy was increased 3-fold for both drugs. in mice, efficacy was increased 2-fold for ganciclovir and 4- to 5-fold for foscarnet when used in combination against either murine cmv or hsv-2. these results suggest an additive interaction between the two drugs in ...19892559657
histopathologic study of herpes virus-induced retinitis in athymic balb/c mice: evidence for an immunopathogenic process.in order to determine whether antiviral immunity is pathogenic in mouse eyes, hsv-1 was injected into the anterior chamber of one eye of adult athymic balb/c mice. the eyes of these t cell deficient mice were examined clinically and histopathologically for ocular disease. the anterior segment of injected eyes developed progressive inflammatory reactions that eventually destroyed the ciliary body and then progressed to the posterior compartment where partial necrosis occurred, but only in the inn ...19892558848
simian alphaherpesviruses and their relation to the human herpes simplex viruses.biochemical and immunological properties of structural and non-structural polypeptides of the human simplex viruses (hsv1 and hsv2) and four related herpesviruses of non-human primates [herpesvirus simiae (b virus), h. cercopithicus (sa8), h. saimiri 1 (hvs 1), and h. ateles 1 (hva 1)] were compared. using a radioimmunoassay (ria), the presence of antigenic determinants shared among all six viruses was demonstrated. the relative degree of antigenic cross-reactivity among these viruses was furthe ...19892558632
herpes simplex virus in oral mucosal ulcers in patients with hematological malignancy.developments of oral mucosal ulcers induced by herpes simplex virus (hsv) were studied in patients with hematologic malignancy. herpes simplex virus type-1 (hsv-1) was identified by immunological staining using virus-specific monoclonal antibodies in the epithelial cells of such ulcers from two patients with malignant lymphoma (ml), three with acute myeloblastic leukemia (aml), one with refractomy anemia with excess blasts, two with chronic myelocytic leukemia (cml), one with acute lymphoblastic ...19892558241
gene ul11 of herpes simplex virus type 1 encodes a virion protein which is myristylated.we have investigated whether herpes simplex virus (hsv) contains structural polypeptides which are modified by myristic acid. we demonstrate that herpes simplex virions contain a family of myristylated proteins, mr approximately 13,000 to 16,000. these were mapped, using hsv-1/hsv-2 intertypic recombinants, to 0.130 to 0.204 map units on the virus genome. using anti-peptide sera, raised against the carboxyterminus of the predicted ul11 gene product, we have established that the myristylated viri ...19892558153
evidence of the non-infectivity of herpes simplex viral particles in trichomonas vaginalis.fan et al., employing an indirect immunofluorescent antibody (ifa) technique, reported the presence of herpes simplex virus type 2 (hsv-2) in trichomonas vaginalis. however, using the same method, we found that the protozoa showed autofluorescence immediately after acetone fixation. in order to demonstrate the non-infectivity of hsv-2 in t. vaginalis, several other methods were performed in this study. trichomonads were experimentally incubated together with hsv-2 and examined after immunofluore ...19892558006
rapid identification and typing of herpes simplex virus by a new enzyme immunoassay with peroxidase-labeled complement c1q.a new enzyme-linked immunoassay system (tc-elisa) was developed for the rapid, specific detection and typing of herpes simplex virus (hsv) using anti-hsv immune sera and enzyme-labeled complement component c1q (p*-c1q). the method is based on viral antigen produced in hsv-infected cells being detected by simultaneous addition of immune serum and p*-c1q (elisa-cf). with this assay, it was found that hsv was detected with anti-hsv immune serum and p*-c1q and that hsv type 1 and hsv type 2 could be ...19892557809
active replication of human immunodeficiency virus type 1 by peripheral blood mononuclear cells following coincubation with herpes viruses.patients with acquired immunodeficiency syndrome (aids) commonly suffer from opportunistic infections associated with members of the herpes virus family. to investigate whether certain of these other viruses might have an effect on the ability of the human immunodeficiency virus type 1 (hiv-1) to replicate, we coincubated peripheral blood mononuclear cells (pbmc) from nine hiv-1-seropositive donors with live preparations of various herpes viruses. in seven of nine cases, exposure of pbmc to prep ...19892557380
anti-herpesvirus activity of citrusinine-i, a new acridone alkaloid, and related compounds.citrusinine-i, a new acridone alkaloid isolated from the root bark of the citrus plant (rutaceae), exhibited potent activity against herpes simplex virus (hsv) type 1 and type 2 at low concentrations relative to their cytotoxicity; 50% effective concentrations (ed50) of citrusinine-i were 0.56 micrograms/ml and 0.74 micrograms/ml against hsv-1 and hsv-2, respectively. inhibitory action was also demonstrated against cytomegalovirus (cmv) and thymidine kinase-deficient or dna polymerase mutants of ...19892556960
prevalence of antibodies to herpes simplex virus types 1 and 2 in pregnant women, and estimated rates of infection.there has been a recent increase in notifications of genital herpes but it is not known whether this has been reflected in the pregnant population. we have therefore carried out a study to determine the prevalence of herpes simplex antibodies in pregnant women and to estimate the incidence of primary infection. sera were collected from 3533 women at antenatal clinics and tested for total antibodies to herpes simples virus (hsv), and if positive, for specific antibodies to hsv-2. estimates of hsv ...19892556492
herpes simplex virus stromal keratitis is not titer-dependent and does not correlate with neurovirulence.we developed a murine model of ocular herpes simplex virus (hsv) disease which is particularly suited for testing stromal keratitis because most animals show some evidence of infection. using this model, we characterized the ocular disease patterns caused by ten recent low-passage clinical isolates of hsv-1, as well as those caused by the established laboratory strains hsv-1 kos and hsv-2 333. viral strains were evaluated for their ability to cause stromal keratitis, blepharitis, vascularization ...19892556353
evaluation of a hsv specific monoclonal antibody reagent for laboratory diagnosis of herpes simplex virus infection.a new fitc-conjugated hsv specific monoclonal antibody reagent (syva co., palo alto, ca) was evaluated for the confirmation of hsv clinical isolates. the reagent was also compared to type-specific monoclonal antibodies for the pre-cpe detection of hsv from clinical specimens in centrifugation culture and by direct examination of specimens smears by direct immunofluorescent antibody staining (dfa). hsv was isolated from 75 of 232 specimens (32%). all 75 isolates were confirmed with both the type- ...19892556235
the herpes simplex virus type 2 (hg52) variant jh2604 has a 1488 bp deletion which eliminates neurovirulence in mice.the herpes simplex virus type 2 (hg52) deletion variant jh2604 is avirulent (ld50 greater than 10(7) p.f.u./mouse) for mice compared to the parental wild-type virus (ld50 less than 10(2) p.f.u./mouse) and fails to replicate in vivo. jh2604 has a 1488 bp deletion within the 3 kb bamhi v fragment (0 to 0.02 and 0.81 to 0.83 map units) which removes one copy of the 17 bp direct repeat dr1 element of the 'a' sequence and terminates 522 bp upstream of the 5' end of the immediate early gene 1. in vivo ...19892555437
recovery frequencies of herpes simplex virus types 1 and 2 from symptomatic and asymptomatic genital herpes cases and antiviral sensitivities of isolates.herpes simplex viruses were isolated from 40.8 to 56.0 per cent of the patients with genital herpes. the frequency of recovery seemed to be higher in females than in males, particularly during the first episode of infection. asymptomatic shedding of the virus from female genitalias was approximately 0.7 per cent. herpes simplex virus type 2 represented 98.4 per cent of all isolates and the remaining isolates were type 1. these isolates exhibited a wide range of sensitiveness to 9-(2-hydroxyethox ...19892555430
analysis of dna synthesis in herpes simplex virus infected cells by dual parameter flow cytometry.the dna incorporation of a thymidine analogue bromodeoxyuridine (brdurd) in herpes simplex virus type 2 (hsv-2) infected cervical cancer cell lines (caski and c-33 a) was studied by dual parameter flow cytometry. hsv-2 infection resulted in an exponential increase in dna synthesis in the caski cells. in the less permissive c-33 a cells the proportion of dna-synthesizing cells cycled during hsv-2 infection. the inhibition of viral dna synthesis by phosphonoformate (pfa) was able to inhibit the vi ...19892554855
protection and serum antibody responses in guinea-pigs and mice immunized with hsv-1 antigen preparations obtained using different detergents.guinea-pigs immunized with a zwitterionic detergent-extracted hsv-1 antigen preparation responded with eia and nt serum antibody titres that were significantly greater than those elicited by a non-ionic detergent-extracted antigen preparation inoculated using a similar dosage schedule. following intravaginal challenge of the guinea-pigs with hsv-2 (strain sh/b), there was no statistically significant difference in the protection afforded to these animals by the two antigen preparations, although ...19892554607
human topoisomerase 1 messenger rna is not destabilized by the herpes simplex virus type 2 virion-associated shut-off function.a cdna for human topoisomerase i (topo 1) was used to identify a 4.1 kb polyadenylated topo 1 mrna in methotrexate-resistant human kb cells that are permissive for herpes simplex virus type 2 (hsv-2) infection. using these cells, no effect of the hsv-2-associated early shut-off function on levels of topo-1 mrna was observed up to 6 hours postinfection, whereas the actin mrna level was 22% cellular transcripts are susceptible. the level of several host-cell polyadenylated rnas detected as cdna cl ...19892554584
thymidine kinase deficient human cells have increased uv sensitivity in their capacity to support herpes simplex virus but normal uv sensitivity for colony formation.a thymidine kinase deficient (tk-) and two thymidine kinase proficient (tk+) human cell lines were compared for uv sensitivity using colony-forming ability as well as their capacity to support the plaque formation of herpes simplex type 1 (hsv-1). the tk- line (143 cells) was a derivative of one of the tk+ lines (r970-5), whereas the other tk+ line (ac4 cells) was a derivative of the 143 cells obtained by transfection with purified sheared hsv-2 dna encoding the viral tk gene. 143, r970-5 and ac ...19892554138
proliferative t-cell response to glycoprotein b of the human herpes viruses: the influence of mhc and sequence of infection on the pattern of cross-reactivity.oligopeptides of the highly conserved herpes virus glycoprotein b (gb) were expressed from dna fragments of the ebv gb (balf4) and hsv-2 gb open reading frames as fusion proteins with the lambda cii protein and beta-galactosidase (gz), respectively, in escherichia coli. after immunopurification using anti-gb or anti-gz affinity columns, the fusion proteins were used in vitro to stimulate human peripheral blood lymphocytes (pbl) or murine lymph node cells that have been primed with ebv, hsv-1, hs ...19892553584
[correlation of human papilloma virus (hpv) and herpes simplex virus-2 (hsv-2)in the viral etiology of carcinoma of uterine cervix].hpv dna and hsv-2 antigens were detected in a series of cervical lesions by dna hybridization and pap stain techniques in order to investigate the possible role of hpv and hsv-2 in the viral etiology of cervical carcinoma. the correlation of hpv dna sequence and hsv-2 antigens was analyzed. the results showed that the positive rates of hpv 16, 18 and 11 in cervicitis, dysplasia and cervical cancer were 13%; 0, 13%; 17%, 17%, 17%; 43%, 8%, 4%; and hsv-2 antigens were found in 41% of cervicitis, 5 ...19892553361
detection of herpes simplex virus dna in a cutaneous squamous cell carcinoma by in situ hybridization.a case of a cutaneous squamous cell carcinoma (scc) occurring at the site of a long-standing recurrent hsv infection is described. no deficit of the cell-mediated immunity was recorded. hsv2 was isolated in several viral cultures. hsv dna was visualized in the scc by in situ hybridization with biotinylated probes in paraffin-embedded tissue. the samples were negative for hpv2, 5, 16, and 18 probes. a causal relationship between hsv infection and cutaneous scc is hypothesized.19892552936
inhibition of herpes simplex virus infection by tannins and related compounds.several chemically defined plant extracts were investigated for their antiviral action on herpes simplex virus (hsv-1, hsv-2)-infected african green monkey kidney cells and human adenocarcinoma cells, using a plaque formation assay. among them, the monomeric hydrolyzable tannins, oligomeric ellagitannins and condensed tannins, having galloyl groups or hexahydroxydiphenoyl groups, had the most potent anti-hsv activity. their 50% effective doses (0.03-0.1 microgram/ml) were by two-three orders of ...19892552915
isolation of a herpes simplex virus type 2 that is retinovirulent in mice.the virulence of a herpes simplex virus type 2 (hsv-2) isolated from the urine of a patient (sl) with acquired immunodeficiency syndrome (aids) and bilateral acute retinal necrosis (arn), was investigated in mice. the ratio of plaque forming units (pfu) in fibroblasts to the 50% lethal dose (ld50) of hsv-2(sl) in mice was 10 fold more than the pfu to ld50 ratio of a neurovirulent hsv-2, strain 186. further, hsv-2(sl) caused retinitis with and without lethal encephalitis in mice inoculated intrac ...19892551573
evaluation of a new herpes simplex virus typing reagent for tissue culture confirmation.monoclonal antibody typing reagents for herpes simplex virus type 1 (hsv-1) and type 2 (hsv-2) from california integrated diagnostics, inc. (berkeley, ca) were compared to two other commercially available hsv monoclonal antibody typing reagents. of the 105 specimens tested, of which 81 were positive for hsv, there was 100% agreement with all three typing reagents.19892551569
antigen-presenting capacity of epidermal cells infected with vaccinia virus recombinants containing the herpes simplex virus glycoprotein d, and protective immunity.we studied the association of herpes simplex type 1 (hsv-1) glycoprotein d (gd-1) expression in epidermal cells (ec) with virus-specific immunity and protection of mice from fatal hsv-2 challenge. vaccinia virus recombinants containing gd-1 under the control of an early (vp176) or late (vp254) vaccinia virus promoter were used. mature gd-1 protein was expressed in vp176-infected ec and they had accessory cell function for hsv-2-induced t cell proliferation of immune lymph node cells (lnc). it wa ...19892550579
clinical and serological outcome of genital herpes simplex virus (hsv) type 2 inoculation following oral hsv type 1 infection in guinea-pigs.the clinical and serological outcome of genital herpes simplex virus type 2 (hsv-2) inoculation in animals previously orally infected with hsv type 1 was evaluated. a prior hsv-1 oral infection modified the genital hsv-2 infection so that only four of 18 (22%) animals were initially symptomatic although all but one animal shed hsv-2 from the cervicovaginal area for at least 5 days following inoculation. three of four animals with symptomatic initial disease also developed recurrences, as did an ...19892550572
viral etiology of cervical carcinoma. human papilloma virus and herpes simplex virus type 2.the possible role of human papilloma virus (hpv) and herpes simplex virus type 2 (hsv-2) in the viral etiology of cervical carcinoma was investigated a series of cervical lesions were studied for the presence of hpv and hsv-2 dna sequences as well as hpv and hsv-2 antigens by dna dot blot hybridization technique and high-specificity pap staining method. the results obtained were correlated with the histologic diagnosis. hpv 16 dna sequences detected in cervical carcinoma biopsies were 43%, where ...19892550184
herpes simplex virus type 2 antibodies: high prevalence in monogamous women in costa rica.we studied the prevalence of antibody to herpes simplex virus types 1 and 2 (hsv-1 and hsv-2) in 766 randomly selected costa rican women 25-59 years of age in a national household survey in 1984-1985. overall, 97.1% were seropositive for hsv-1 and 39.4% for hsv-2. only 1.1% of hsv-2 seropositive women gave a history of symptomatic genital herpes. hsv-2 virus antibody increased with age and with the number of lifetime sexual partners. hsv-2 seroprevalence among women who reported only 1 lifetime ...19892549796
[detection of igg and igm antibodies to herpes simplex virus type 1 and type 2 in human serum using an immunoenzyme method (elisa) and the complement fixation reaction].on the basis of borderline optical density values (od) in an enzyme-linked immunosorbent assay (elisa) resulting from comparative testing of this method with complement fixation reactions (cf), determination was made of a set criteria for negative, weakly positive and positive results of igg and igm antibody detection of herpes simplex type 1 (hsv 1), respectively type 2 (hsv 2). of the 192 examined specimens by elisa, 69.2% and 49.5% igg hsv 1 and hsv 2 antibodies were found respectively. the n ...19892549311
retention and expression of the left end subfragment of the herpes simplex virus type 2 bglii n dna fragment do not correlate with tumorigenic conversion of nih 3t3 cells.cotransfection experiments have been carried out using recombinant plasmids pag60, conferring resistance to antibiotic g418, and pxho3 which contains the left end subfragment (map coordinates 0.583 to 0.596) of the transforming herpes simplex virus type 2 bglii n dna fragment and encodes the 36k polypeptide associated with the viral ribonucleotide reductase activity. several nih 3t3 cell clones resistant to g418 and having morphological changes commonly observed for transformed nih 3t3 cells wer ...19892549186
a herpes simplex virus type 2 variant in which a deletion across the l-s junction is replaced by single or multiple reiterations of extraneous dna.we have isolated and characterized a novel variant of herpes simplex virus type 2 (hsv-2) strain hg52 which has a deletion of 13.5 kb across the l-s junction of the genome, resulting in all of the irl region, half of the irs region and the intervening l-s junction 'a' sequence(s) being removed. the deleted dna has been replaced by single or multiple (up to 14) reiterations of a dna sequence approximately 1 kb in length. individual genomes within the population range in size from approximately 12 ...19892549183
enhancement of herpes simplex virus type 2 (hsv-2) dna synthesis in infected cells that constitutively express the bglii-n region of the hsv-2 genome.the bglii-n fragment of the herpes simplex virus type-2 (hsv-2) genome encodes one of two known transforming regions of this dna virus. in this study, we report the derivation of hela s3 cells (2dc4) that stably express the hsv-2 bglii-n region, including the small subunit of hsv-2 ribonucleotide reductase (rr). superinfection of the 2dc4 cells with wild-type hsv-2 resulted in the efficient induction of hsv-2-encoded icp10, dna polymerase, and thymidine kinase. the amount of hsv-2 dna synthesis ...19892548338
replacement of the pseudorabies virus glycoprotein giii gene with its postulated homolog, the glycoprotein gc gene of herpes simplex virus type 1.giii, the major envelope glycoprotein of pseudorabies virus (prv), shares approximately 20% amino acid similarity with glycoprotein gc of herpes simplex virus type 1 (hsv-1) and hsv-2. we describe here our first experiments on the potential conservation of function between these two genes and gene products. we constructed prv recombinants in which the giii gene and regulatory sequences have been replaced with the entire hsv-1 gc gene and its regulatory sequences. the gc promoter functions in the ...19892548015
efficacy of oxetanocin g against herpes simplex virus type 2 and murine cytomegalovirus infections in mice. 19892547744
smoking and infectious agents and risk of in situ cervical cancer in sydney, australia.in a study of 116 in situ cervical cancer patients and 193 matched community controls in sydney, australia, smoking was found to be a major risk factor. current smokers had a adjusted relative risk [rr] of 4.5 compared to nonsmokers [95% confidence interval (ci) 2.2-9.1] and exsmokers a rr of 1.3 [95% ci 0.6-3.0]. there was a stepwise dose-response relationship between risk and number of cigarettes smoked (30+ cigarettes/day, rr = 5.1, 95% ci 1.5-17.3); this dose-response relationship was more m ...19892547521
synthesis and antiviral activity of the enantiomeric forms of carba-5-iodo-2'-deoxyuridine and carba-(e)-5-(2-bromovinyl)-2'-deoxyuridine.both enantiomers of the carbocyclic analogues of 5-iodo-2'-deoxyuridine (14 and ent-14) and of (e)-5-(2-bromo-vinyl)-2'-deoxyuridine (16 and ent-16) were synthesized by using (+)- or (-)-endo-norborn-5-en-2-yl acetate or butyrate, respectively, as starting materials. against herpes simplex virus type 1 (+)-c-bvdu (16) was only slightly less active than bvdu itself, whereas (-)-c-bvdu (ent-16) proved to be 10-400-fold less effective, depending on the strain investigated. against hsv-2 both (+)- a ...19892547072
serological evidence for variation in the incidence of herpesvirus infections in different species of apes.sera from captive lowland gorillas, chimpanzees, orangutans, and gibbons were screened by enzyme-linked immunosorbent assay (elisa) for antibody to herpesviruses serologically related to human herpes simplex virus types 1 and 2 (hsv-1, hsv-2), a baboon virus (sa8), and a macaque herpesvirus (b virus). the incidence of herpesvirus antibodies varied considerably among the different species, gorillas having the highest incidence of seropositivity (65.4%) and orangutans the lowest. the virus specifi ...19892546978
[neutralizing activity against herpes simplex in maternal milk].human milk could play a role in the protection of the newborn from herpes simplex virus 2 contamination. neutralizing activity against herpes simplex virus 2 was measured in 94 human milk samples and in 31 sera from healthy women. a weak neutralizing activity was detected in 48 milk samples. they were neither correlated to anti-herpes simplex virus antibodies found in milk, nor to the neutralizing activity in sera. the origin and non immunologic nature of this activity are discussed.19892546513
biological and biochemical characterization of clinical isolates of herpes simplex virus type 2 resistant to acyclovir.a series of clinical isolates of herpes simplex virus type 2 were taken from a patient with chronic lymphocytic leukemia. acyclovir (acv) susceptibility assays revealed that some isolates were resistant to acv and cross-resistant to ganciclovir but not to phosphonoacetic acid. the nature of the resistance was examined further. a number of cloned variants were generated, and thymidine kinase and dna polymerase assays were carried out. variants that were resistant to acv were found to be thymidine ...19892546486
inhibition of herpes simplex virus infection by pine cone antitumor substances.several antitumor substances extracted from cones of various pine trees inhibited the plaque formation of herpes simplex virus types 1 and 2 (hsv-1, hsv-2) strains in african green monkey kidney cells and human adenocarcinoma cells. the 50% effective dose of the most active fraction, fr. vi (0.3 micrograms/ml) was 0.001 times its 50% cytotoxic dose (greater than 300 micrograms/ml). the anti-hsv activity of various pine cone extracts increased with their acidity. identification of the polyphenol ...19892546481
sexual activity, contraception, genital infections, and cervical cancer: support for a sexually transmitted disease hypothesis.a case-control study was conducted in utah between 1984 and 1987 to examine risk factors for cervical cancer. interviews were completed with 266 histologically confirmed carcinoma in situ and invasive squamous cell cervical cancer cases who were categorically matched by age to 408 controls. among the factors identified as altering risk for cervical cancer, after adjustment for age, education, church attendance, and cigarette smoking, were: having numerous sex partners (odds ratio (or) = 8.99 for ...19892546422
immunogenicity of herpes simplex virus glycoprotein gb-1-related protein produced in yeast.a protein related to glycoprotein b of herpes simplex virus type 1 (hsv-1) produced in yeast (ygb-1) was purified with an immunoadsorbent. the molecular weight of the purified ygb-1 as determined by sodium dodecyl sulphate polyacrylamide gel electrophoresis was 96,000. mice injected twice with ygb-1 adsorbed to alum developed elisa antibody to ygb-1, neutralizing antibody to hsv-1 and a lymphoproliferative response to ygb-1 and hsv-1. the immunized mice were protected against intraperitoneal and ...19892546329
herpes simplex virus type 1 immediate-early protein vmw110 reactivates latent herpes simplex virus type 2 in an in vitro latency system.reactivation of latent herpes simplex virus type 2 (hsv-2) by the immediate-early protein vmw110 was studied by using an in vitro latency system. adenovirus recombinants that express vmw110 reactivated latent hsv-2. an hsv-1 mutant possessing a deletion in a carboxy-terminal region of vmw110 reactivated latent hsv-2, whereas mutant fxe, which has a deletion in the second exon, did not. therefore, vmw110 alone is required to reactivate latent hsv-2 in vitro, and the region of vmw110 defined by th ...19892545921
protein kinase activity associated with the large subunit of herpes simplex virus type 2 ribonucleotide reductase (icp10).the large subunit of the herpes simplex virus type 2 (hsv-2) ribonucleotide reductase (rr1) is demonstrated to possess serine/threonine-specific kinase activity. computer-assisted sequence analysis identified regions within the amino terminus of icp10 that are homologous to the catalytic domain of known protein kinases (pks). an in vitro kinase assay confirmed the ability of icp10, immunoprecipitated from either hsv-2-infected cells or from cells transfected with an icp10 expression vector, to a ...19892545912
rapid detection of herpes simplex virus with fluorescein-labeled helix pomatia lectin.the use of fluorescein-conjugated helix pomatia lectin was shown to be as effective as fluorescein-conjugated monoclonal antibody reagents for the detection and differentiation of herpes simplex virus type 1 and type 2 (hsv-1 and hsv-2) in mrc-5 cell culture. cells infected with hsv-1 generally displayed a pattern of nongranular or diffuse fluorescence, while cells infected with hsv-2 were identified by the production of fluorescent grains and flecks. this unique nonimmunological reagent, when u ...19892545739
herpes simplex virus type 2 infection of unstimulated human t-lymphocytes.unstimulated human leukemia t-cell lines (molt-4, mt-4) were tested for their susceptibility to herpes simplex virus type 2 (hsv-2) infection. permissive infection of mt-4 cells was demonstrated by growth curve and infectious center assays. in growth curve experiments new progeny virus replication was detected by 24 hrs and maximum titers of hsv-2 replication were measured by 72 hrs after infection of mt-4 cells, whereas, molt-4 cells did not produce detectable infectious hsv-2 in growth curve e ...19892545223
herpes simplex virus glycoprotein immunotherapy of recurrent genital herpes: factors influencing efficacy.recombinant herpes simplex virus type 1 (hsv-1) glycoproteins b (gb) and d (gd) were used as immunotherapeutic agents for the treatment of recurrent genital herpes in guinea pigs. administration of a gbgd vaccine eight to 21 days after intravaginal hsv-2 inoculation significantly increased the titer of anti-hsv antibodies (p less than 0.005) while significantly reducing the frequency of subsequent herpetic recurrences (p less than 0.05). the effectiveness of gbgd immunotherapy was influenced by ...19892545166
vero cells co-infected with chlamydia trachomatis and herpes simplex virus type 2: a scanning and transmission electron microscope study.vero (african green monkey kidney) cells infected with chlamydia trachomatis (serovar l2) (ct-l2) for 48 hr and superinfected with herpes simplex virus type 2 (hsv-2) were fixed 24 hr later and examined with the transmission electron microscope (tem) and scanning electron microscope (sem). ultrastructural examination of the co-infected cells showed that, although many ct-l2 inclusions were present, most were empty of reticulate bodies or elementary bodies. however, large numbers of viruses were ...19892545004
in vitro evaluations of condoms with and without nonoxynol 9 as physical and chemical barriers against chlamydia trachomatis, herpes simplex virus type 2, and human immunodeficiency virus.simulated in vitro intercourse conditions demonstrated that unlubricated latex condoms provide an effective physical barrier to high concentrations of chlamydia trachomatis, herpes simplex virus type 2, and human immunodeficiency virus. however, since condoms can be damaged after manufacturing inspection and prior to use, latex condoms alone should not be perceived as absolute protection against stds. nonoxynol 9 used in conjunction with condoms provided additional, yet still not foolproof, prot ...19892545003
viral antigen stimulation of the production of human monokines capable of regulating hiv1 expression.we have previously described model systems for cytokine-induced regulation of chronically hiv-infected promonocyte and t cell clones. using these systems, we have shown that monokines contained in supernatants from lps-stimulated human monocyte/macrophages (mo) up-regulate hiv expression, reflected by an increase in reverse transcriptase activity, viral rna levels, and expressed viral proteins. current studies were designed to determine whether viral ag can interact with mo and secondarily affec ...19892544645
effect of phosphorothioate homo-oligodeoxynucleotides on herpes simplex virus type 2-induced dna polymerase.effects of phosphorothioate oligodeoxynucleotides of different chain length and base composition on herpes simplex virus (hsv) type 2 (strain 333)-induced dna polymerase have been examined in vitro. the anti-hsv-2 dna polymerase activity was related to the base composition of the analogs, with the order of potency: deoxycytidine greater than thymidine greater than deoxyadenosine, for compounds with equal chain length. the potency was also related to oligomer chain length, since it was observed t ...19892544598
induction of cervical neoplasia in the mouse by herpes simplex virus type 2 dna.induction of cervical neoplasia in the mouse cervix by herpes simplex virus types 1 (hsv-1) and 2 (hsv-2) has been reported. the present study was done to determine if transfection with dna of hsv-2 can induce carcinogenesis in this animal model. genomic hsv-2 dna was isolated from infected hep-2 cells and separated from host cell dna by cesium chloride density gradient centrifugation. the dna was applied to mouse cervix for periods of 80-100 weeks. experimental controls were treated with uninfe ...19892543981
a seroepidemiologic survey of the prevalence of herpes simplex virus type 2 infection in the united states.the prevalence of infection with the genital herpes simplex virus type 2 (hsv-2) has been difficult to ascertain, primarily because of the large percentage of subclinical cases and the limitations in specificity of serologic assays for antibody to hsv-2. to obtain an improved estimate of the distribution of hsv-2 infection in the united states, we used an hsv type-specific antibody assay to test serum samples from 4201 participants in the second national health and nutrition examination survey. ...19892543928
herpes simplex virus type 2 primes mouse macrophages for an early and genetically determined respiratory burst mediated by interferon-alpha/beta.the influence of infection by herpes simplex virus type 2 (hsv-2) on the respiratory burst capacity of mouse macrophages was studied by luminol-dependent chemiluminescence with phorbol myristate acetate (pma) as trigger. peritoneal cells from virus-infected mice were strongly primed for a respiratory burst during the acute phase of the infection. by 12 h after infection the response had increased 40-fold over control values. most of the response was elicited by mononuclear phagocytes. when resti ...19892543784
mild acidic ph inhibition of the major pathway of herpes simplex virus entry into hep-2 cells.penetration of the kos strain of herpes simplex virus type 1 (hsv-1) and the ms and 333 strains of herpes simplex virus type 2 (hsv-2) into hep-2 cells at ph 6.3 was at least 100-fold less efficient than at ph 7.4. penetration of two low passage clinical isolates was completely blocked at ph 6.3. the syncytium-forming hsv-1 strains gc and mp were less sensitive than kos to the mild acidic conditions. the inhibition was completely reversed upon neutralization of the medium. penetration was assaye ...19892543762
a variant of herpes simplex virus type 2 strain hg52 with a 1.5 kb deletion in rl between 0 to 0.02 and 0.81 to 0.83 map units is non-neurovirulent for mice.the virulence of a deletion variant of herpes simplex virus type 2 (hsv-2) strain hg52 has been determined by intracranial inoculation of 3-week-old balb/c mice. the variant jh2604 has a 1.5 kb deletion within each copy of the long repeat region (rl) of the genome between 0 to 0.02 and 0.81 to 0.83 map units. jh2604 is avirulent for mice compared to the parental wild-type virus, and fails to replicate in mouse brain in vivo. correction of the deletion by marker rescue resulted in the isolation o ...19892543755
anti-herpes simplex virus activity of 5-substituted 2-pyrimidinone nucleosides.several 5-substituted 2-pyrimidinone 2'-deoxyribonucleoside (pdr) analogs were examined for their anti-herpes simplex virus (hsv) activity in cell culture. the order of potency of their antiviral activities against hsv type 1 (hsv-1) and hsv-2 was iodo pdr approximately ethynyl pdr approximately propynyl pdr. the antiviral action of iodo pdr is dependent on the ability of hsv to induce virus-specified thymidine kinase in infected cells. several hsv-1 variants with altered thymidine kinase change ...19892543279
[chemotherapy to thymidine kinase producing virus (hsv-1, hsv-2, vzv) infection]. 19892542661
[structure and functional analysis of genomes of herpesviruses: herpes simplex virus type 1 and type 2 (hsv-1, hsv-2)]. 19892542648
transmission of genital herpes by donor insemination.this report describes a donor in a therapeutic donor insemination program who asymptomatically acquired a primary herpes simplex virus type 2 (hsv-2) infection from his long-standing sexual partner. his fresh semen was used to inseminate two hsv-seronegative recipients; in one a primary hsv-2 infection developed, and in one it did not. direct evidence of transmission from donor to recipient was documented by restriction enzyme analysis of the hsv-2 isolates obtained from the donor's semen and fr ...19892542632
antigen-presenting liposomes are effective in treatment of recurrent herpes simplex virus genitalis in guinea pigs.the therapeutic and immunologic effects of a liposome preparation containing both a macrophage activator, muramyl-tripeptide-phosphatidylethanolamine, and a recombinant antigen, glycoprotein d of herpes simplex virus type 1, have been investigated. this preparation was tested in vitro for the ability to stimulate peripheral blood lymphocytes and in vivo for the control of recurrent herpes genitalis in guinea pigs. our results show that the liposome-antigen-adjuvant preparation is capable of enha ...19892542605
identification of immediate-early-type cis-response elements in the promoter for the ribonucleotide reductase large subunit from herpes simplex virus type 2.regulation of the expression of the herpes simplex virus (hsv) type 2 large subunit of ribonucleotide reductase (icp10) gene was studied directly by immunofluorescence or by chloramphenicol acetyltransferase analysis with hybrid icp10 promoter constructions. in vero cells, cotransfection with dna encoding hsv ie110 or vmw65 proteins or hcmv ie2 enhanced expression at least 10-fold. in contrast, expression was minimally enhanced by dna encoding ie175 at low doses and slightly reduced at high dose ...19892542589
serum iga antibodies in hsv asymptomatic genital infections.cervico-vaginal swabs and serum samples from 81 women without herpes-associated clinical symptoms were examined for virus isolation and for the presence of iga antibodies to herpes simplex virus (hsv) using the indirect fluorescent antibody technique. nineteen of the 81 women were followed up for 2 years. blood samples and swabs from cutaneous lesions were obtained from another group of 20 women (medical staff) with herpes labialis. by analysing the specific anti-hsv iga antibodies, a higher geo ...19892542431
two colour dna in situ hybridization for the detection of two viral genomes using non-radioactive probes.methods for the simultaneous detection of two virus types in cytological preparations or tissue sections by non-radioactive in situ hybridization were investigated. as a model system, caski cells, which have human papilloma virus type 16 (hpv16) dna integrated in their cellular genome, were in vitro infected with herpes simplex virus 2 (hsv2). dna probes for both viruses were labeled with biotin, acetylaminofluorene (aaf), and transaminated-sulfonated cytosine (ts-modified). best results were ob ...19892542189
analysis of unselected hsv-1 mckrae/hsv-2 hg 52 recombinants demonstrates preferential recombination between intact genomes and restriction endonuclease fragments containing an origin of replication.to identify viral genes involved in reactivation of herpes simplex virus from latency, intertypic hsv-1 strain mckrae/hsv-2 strain hg 52 recombinants were selected following cotransfection of intact mckrae dna and xbai or hpai cleaved hg 52 dna. eleven separately obtained recombinants containing hg 52 inserts between 0.35-0.56 and/or 0.82-1.0 map units (mu) were isolated. it was noted that with hpai digested hg 52 dna, only recombinants containing type 2 inserts from hpai d (0.35-0.57) and/or co ...19892541672
development of clinically recognizable genital lesions among women previously identified as having "asymptomatic" herpes simplex virus type 2 infection.to determine if patients initially identified by history, clinical examination, and serologic status as having asymptomatic herpes simplex virus type 2 infection report clinically recognizable genital lesions after having a detailed instructional session on the clinical signs and symptoms of genital herpes.19892541645
a prospective study of the effects of acyclovir treatment on the hsv-2 lymphoproliferative response of persons with frequently recurring hsv-2 genital infections.in a randomized double-blinded fashion, herpes simplex virus type 2 specific lymphocyte proliferation (hsv-2-lp) was studied in patients with frequently recurring genital hsv-2 who were administered daily suppressive oral acyclovir (s-acv) or placebo and acyclovir for 5 d (plc/acv) with recurrences. the pretreatment hsv-2-lp of subjects was low compared with that of controls with infrequently recurring genital hsv-2 (54,000 vs. 110,000 cpm). the hsv-2-lp increased with both s-acv and plc/acv (10 ...19892540245
possible transmission of herpes simplex virus by organ transplantation.herpes simplex virus commonly reactivates in seropositive transplant recipients but has not been generally thought to be transmissible by the transplanted organ itself. we studied two consecutive cases of disseminated hsv, without mucosal lesions, occurring in a heart and in a pancreatic transplant recipient, and implicate the allografts as the source of the virus. in both cases the recipients were seronegative pretransplant by complement fixation (less than 1:4), neutralization (less than 1:2), ...19892539664
herpes simplex virus type 2 mutants with deletions in the intergenic region between icp4 and icp22/47: identification of nonessential cis-acting elements in the context of the viral genome.in herpes simplex virus type 2, the mrnas of icp4 and icp22/47 are divergently transcribed and their transcription initiation sites are separated by 750 base pairs (l. j. whitton and j. b. clements, nucleic acids res. 12:2061-2078, 1984). this 750-base-pair region contains many recognized cis-acting elements, including two tata boxes, numerous sp1-binding sites, four taatgarat motifs, at least one icp4-binding site, and two origins of replication (oris) linked in tandem. in this report, we descr ...19892539500
a neutrophil-derived antiviral protein: induction requirements and biological properties.polymorphonuclear neutrophilic granulocytes (pmn) have been implicated as playing a role in antiviral defense. in addition to having phagocytic and cytotoxic activities, pmn may produce an antiviral substance with interferon (ifn)-like activity. the product, for which the name polyferon (pf) has been coined, is produced upon direct encounter of pmn with bovine herpesvirus 1 (bhv-1)-infected bovine cells or membranes thereof. exposure to purified virus only does not induce pf. the intimate intera ...19892539494
short, duplicated sequence indicative of the recombinogenicity of the junction between a unique and an inverted repeat sequence in the s component of the herpes simplex virus type 1 genome.a herpes simplex virus type 1 (hsv-1) strain, b3, was found to have a short duplication on the left junction between the unique sequence (us) and the inverted repeat sequence (rs) in the s component of the genome dna. a short region of rs contiguous to the left us-rs junction was duplicated in b3. based on the nucleotide sequences in and around the us-rs junctions of b3 and other hsv-1 strains, a concept of junction stretch was proposed. the organization of junction stretch is rs side 5'-(g or a ...19892539490
search for human papillomavirus, herpes simplex virus and c-myc oncogene in human genital tumors.we tested grade iii cervical intra-epithelial neoplasms (cin iii), genital invasive carcinomas and healthy genital tissues for the presence of a number of viral and cellular parameters, considered to be risk factors in genital oncogenesis. the results show that: (i) about 30% of genital tumors had homology to hsv-2 bglii n and/or bamhi e dna fragments; (2) positivity to hsv-2-specific protein icp10, encoded by sequences within the hsv-2 bamhi e dna fragment, was detected in 29/55 neoplastic geni ...19892539328
promoting effect of croton oil on the induction of cervical and vaginal cancers with herpes simplex virus types 1 and 2 in mice.hybrid swiss virgin mice (kuan-min strain) were challenged intravaginally with uv-inactivated herpes simplex virus type 1 (hsv-1) or type 2 (hsv-2) twice a week for 16 times and subsequently with croton oil or control medium twice a week for 27 times. after a period of 180 days the exposure to hsv-2 plus control medium induced premalignant and malignant lesions of the cervix and vagina in 50.0% of the mice. the exposure to hsv-2 plus croton oil induced similar lesions in 78.2% of the mice. the e ...19892539313
transformation of nih 3t3 cells by herpes simplex type 2 bglii n fragment and sub-fragments is independent from induction of mutation at the hprt locus.the effect of transfection of the herpes simplex virus type 2 transforming fragment bglii n and of its three xhol subfragments on mutagenesis and morphological transformation was assayed in nih 3t3 cells. while bglii n and the right hand portion of this fragment increased the number of transformed foci, no significant effects on the mutation frequency at the hprt locus were observed. our results indicate that transformation by bglii n is independent from the induction of somatic mutations and su ...19892539146
regulation of expression of herpes simplex virus (hsv) glycoprotein d in vaccinia recombinants affects their ability to protect from cutaneous hsv-2 disease.the effect of regulation of herpes simplex virus (hsv) type 1 glycoprotein d (gd-1) gene expression on hsv-specific immune response and protection from cutaneous hsv-2 disease was studied using vaccinia virus recombinants containing gd-1 under the control of early (vp176) or late (vp254) vaccinia virus promoters. expression of gd-1 in vp176-infected cells was first observed at 2 h after infection. it did not depend on viral dna replication. in vp254-infected cells, gd-1 was first observed at 24 ...19892538519
the antiviral activity of 9-beta-d-arabinofuranosyladenine is enhanced by the 2',3'-dideoxyriboside, the 2',3'-didehydro-2',3'-dideoxyriboside and the 3'-azido-2',3'-dideoxyriboside of 2,6-diaminopurine.the 2',3'-dideoxyriboside (dddapr), 2',3'-didehydro-2',3'-dideoxyriboside (ddedapr) and 3'-azido-2',3'-dideoxyriboside (azdddapr) of 2,6-diaminopurine have been previously recognized as potent inhibitors of human immunodeficiency virus replication. these compounds are also potent inhibitors of adenosine deaminase and inhibit the deamination of 9-beta-d-arabinofuranosyladenine (araa). dddapr, ddedapr and azdddapr markedly potentiate the antiviral activity of araa against herpes simplex virus type ...19892538128
lack of serum antibodies to the major hsv-2 specified dna-binding protein before diagnosis of cervical neoplasia.we report results based on a prospective case-control study within a cohort obtained by linking the finnish social insurance institutions mobile clinic survey registry and the finnish cancer registry. the overall prevalence of herpes virus early antigen (icsp 11/12) antibodies was similar in controls and in cervical neoplasia cases (consisting of invasive cervical carcinoma, icc, and cervical intraepithelial neoplasia group iii, cin iii cases). however, those cin iii cases, who after a long lag ...19892537883
identification, transfer, and characterization of cloned herpes simplex virus invasiveness regions.following peripheral inoculation of experimental animals, herpes simplex virus type 2 (hsv-2) strains are more virulent than hsv-1 strains, and clinical studies suggest that they possess enhanced virulence in humans. one dramatic type-specific difference in virulence is observed following inoculation of the chorioallantoic membrane (cam) of the chicken embryo: hsv-2, but not hsv-1, makes large pocks on the cam, invades the mesoderm, generalizes in the embryo, and kills the chicken. these propert ...19892536826
viral agents in two-stage cervical carcinogenesis: an experimental study in mice.the role of chemical and viral agents in the development of cervical cancer in mice was studied by repeated carcinogen applications, repeated intravaginal instillations of hsv type ii virus, and single carcinogen application as initiating agent followed by repeated instillations of virus as promoter. in all the animals studied, repeated applications of 9,10-dimethylbenzanthracene (dmba) induced dysplastic conditions of the cervix and vagina, mild, moderate, and severe, as well as a large number ...19892535998
effect of human semen on herpes-simplex virus-2.this study was designed to evaluate the suggestion of inhibition of infectivity of hsv-2 by seminal fluid by examining relationships between hsv-2 and components of human semen. viral infectivity was quantitated by tcid50 measurements of cpe in comparing viral inoculated aliquots of whole semen, seminal fluid, and control (emem) medium during incubation at 0, 5, and 24 hours. statistical analysis of data from 15 experiments revealed inhibition by seminal fluid during 5 hours of incubation. after ...19892535986
genital infections due to herpes simplex virus type 2 in male guinea pigs.a small-animal model of genital herpes simplex virus (hsv) infection has not been available for investigating the pathogenesis of disease in males. male hartley guinea pigs were inoculated on the medial thigh with 10(5)-10(6) plaque-forming units of hsv type 2. animals developed vesicular lesions in the genital area, including the penis. transient urinary retention, hindlimb paralysis, and acute urethral shedding of hsv also occurred. during acute infection, virus was detected in neural and geni ...19892535869
acyclovir-resistant, foscarnet-sensitive oral herpes simplex type 2 lesion in a patient with aids.we report the case of an immunocompromised patient with aids in whom developed a perioral and several intraoral hsv 2 lesions that persisted for more than 1 year. the virus was resistant to acyclovir but was sensitive to foscarnet. viral isolates were thymidine kinase negative. the lesions resolved with intravenous foscarnet therapy given over a 15-week period, and when last seen, 8 months after foscarnet was discontinued, the patient had not had a recurrence.19892524706
foscarnet therapy for severe acyclovir-resistant herpes simplex virus type-2 infections in patients with the acquired immunodeficiency syndrome (aids). an uncontrolled trial.to determine whether trisodium phosphonoformate (foscarnet) is efficacious in treating severe mucocutaneous disease due to acyclovir-resistant herpes simplex virus type-2 (hsv-2) infection in patients with the acquired immunodeficiency syndrome (aids).19892522751
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