Publications
Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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mechanical transmission of equine infectious anemia virus by deer flies (chrysops flavidus) and stable flies (stomoxys calcitrans). | 1983 | 6297339 | |
equine infectious anaemia: detection of antibodies using an immunofluorescence test. | an indirect immunofluorescence test for detecting antibodies to equine infectious anaemia virus is presented. using monolayers of equine dermal cells within a defined period after infection, discrete fluorescent spots were observed in the cytoplasm of as many as 95 per cent of the cells. these inclusions appeared as ring-like structures when high titred sera were employed but became spots when the sera were diluted. cells showing optimal antigen fluorescence were used immediately or after storag ... | 1982 | 6296954 |
virulence and in vitro growth of a cell-adapted strain of equine infectious anemia virus after serial passage in ponies. | five serial passages of a cell-adapted strain of equine infectious anemia (eia) virus were conducted in shetland ponies. the 13 recipient ponies became agar-gel immunodiffusion test-positive by 25 days after they were inoculated. the virulence of the cell-adapted strain of eia virus markedly increased through 3 serial passages, although individual variation within passages was high. the 1st serial-passage recipient remained afebrile through 200 days, whereas a febrile episode occurred about ever ... | 1982 | 6293349 |
dna sequence relationship of the baboon endogenous virus genome to the genomes of other type c and type d retroviruses. | baboon endogenous virus (baev) is a type c retrovirus present in multiple proviral copies in the dna of baboons. although interspecies antigenic determinants present on reverse transcriptase and gag proteins are shared among all mammalian type c viruses, no nucleic acid homology between baev and other type c viruses (except rd-114) has been found in conventional liquid hybridization experiments. in this study, we used restriction fragments of cloned baev dna immobilized on nitrocellulose to test ... | 1982 | 6284972 |
persistent infection by equine infectious anemia virus: asymmetry of nucleotide sequence reiteration in the integrated provirus of persistently infected cells. | 1982 | 6281971 | |
antigenic stimulation of t lymphocytes in chronic nononcogenic retrovirus infection: equine infectious anemia. | equine infectious anemia is a chronic disease of horses caused by a nononcogenic retrovirus. studies were undertaken to determine the types of cells involved in the in vitro lymphoproliferative response to viral antigens and the dynamics of this reaction. it was observed that reactive lymphocytes were present at unpredictable times in the peripheral blood of infected horses. this reaction was shown to be specific for the interaction of equine infectious anemia virus and t lymphocytes. enriched b ... | 1982 | 6281191 |
indirect hemagglutination test in equine infectious anemia. | an indirect hemagglutination was developed for the diagnosis of equine infectious anemia using sheep red blood cells coated with group specific virus antigen which had been highly purified by affinity chromatography. the presence of indirect hemagglutination antibodies was demonstrated in horses with equine infectious anemia since the cells were specifically agglutinated by all the serum samples obtained from experimentally infected horses. antibodies appeared within 35 days after inoculation, a ... | 1982 | 6280821 |
detection of equine infectious anemia virus in a horse with an equivocal agar gel immunodiffusion test reaction. | a horse whose serum reacted equivocally in the agar gel immunodiffusion (agid) test for equine infectious anemia was studied over a 3-year period. the horse remained afebrile and virus was detected in only 1 of 6 horse inoculation tests. the intensity of agid test reactions increased temporarily following this evidence for virus. although the agid test reaction was equivocal and 5 of the 6 transmission attempts failed, the 1 successful transmission proved the horse was infected. | 1982 | 6276354 |
transmission of equine infectious anemia virus from horses without clinical signs of disease. | twenty seven adult horses positive to the agar gel immunodiffusion (agid) test for equine infectious anemia (eia), but with no history of clinical eia, were used in transfusion studies to determine whether infectious eia virus was present in 1 to 5 ml of their blood. of 27 recipients, 21 (78%) became agid test-positive at an average of 24 days after inoculation. two horses that were initially negative when screened were retested and found to carry infectious virus in 5-300 ml of whole blood; the ... | 1982 | 6276353 |
serological survey for equine infectious anaemia. | 1981 | 6275830 | |
prevalence of equine infectious anaemia (swamp fever) in guyana. | 1981 | 6272928 | |
high-performance gel permeation chromatography of proteins in denaturing solvents and its application to the analysis of enveloped virus polypeptides. | 1981 | 6272599 | |
propagation of equine infectious anemia virus in horse cell cultures. | 1981 | 6272480 | |
the immune system in slow disease due to persistent submicrobial (viral) infection. | 1981 | 6270625 | |
transmission of equine infectious anaemia virus from a horse negative to agar gel immunodiffusion testing. | 1981 | 6265206 | |
hemagglutination of several strains of equine infectious anemia virus. | six strains of equine infectious anemia (eia) virus propagated in equine leukocyte cultures were found to agglutinate horse erythrocytes. concentrated virus material containing about 20 units of complement fixation (cf) titer showed hemagglutinating (ha) titers ranging from 4 to 8 units. the ha activity remained stable after ether treatment and was reduced by trypsin, formaldehyde and kio4. cesium chloride equilibrium density gradient centrifugation revealed two populations of hemagglutinin, one ... | 1981 | 6263225 |
[comparative investigations on the serological diagnosis of the equine infectious anemia (author's transl)]. | 1981 | 6262037 | |
orientation of structural polypeptides of equine infectious anemia virus. | lactoperoxidase iodination of intact and disrupted equine infectious anemia virus revealed that glycopeptide gp79 is the major surface component of this virus, whereas glycopeptides gp64 and gp40 as well as the principle nonglycosylated structural polypeptides p29 and p13 are internal. virus 'envelope' particles, banding in isopycnic centrifugation at approximately 1.10 g/cm3, contained the glycopeptides but no internal nonglycosylated proteins. glycopeptides gp79, gp64 and gp40 and core polypep ... | 1980 | 6259082 |
equine infectious anemia virus, a putative lentivirus, contains polypeptides analogous to prototype-c oncornaviruses. | 1980 | 6256947 | |
isolation and characterization of low-molecular-weight dna-binding proteins from retroviruses. | 1980 | 6249039 | |
antigenic variation during persistent infection by equine infectious anemia virus, a retrovirus. | the recurrent nature of equine infectious anemia has been attributed to relatively rapid antigenic variations in equine infectious anemia virus (eiav) during persistent infection under selective immune pressures. this model was tested by serological and biochemical analysis of virus isolates recovered from separate febrile episodes in two experimentally infected ponies. neutralization assays employing immune sera from the experimentally infected ponies demonstrated that distinct antigenic strain ... | 1984 | 6206055 |
antigenic reactivity of the major glycoprotein of equine infectious anemia virus, a retrovirus. | the immunogenic contributions of the carbohydrate and peptide portions of the major envelope glycoprotein of equine infections anemia virus, eiav gp90, were analyzed by measuring the effects of specific glycosidase and protease digestions on the reactivity of the glycoprotein with immune sera from infected horses. the results of both direct and competitive radioimmunoassay demonstrated that immune sera contained antibodies reactive with both the carbohydrate and protein moieties of eiav gp90, wi ... | 1984 | 6205503 |
isolation and comparative biochemical properties of the major internal polypeptides of equine infectious anemia virus. | we describe procedures for the large-scale production of equine infectious anemia virus (eiav) and for the isolation of the four major non-glycosylated virion proteins, designated p26, p15, p11, and p9. comparisons of the purified proteins by peptide mapping procedures and by enzyme-linked immunosorbent assays demonstrated the unrelatedness of the four proteins. the characteristic properties of each purified protein were examined by determining isoelectric points and amino acid compositions. we ... | 1982 | 6178843 |
in vitro host range of equine infectious anemia virus. | equine infectious anemia virus (eiav) was successfully inoculated onto cell cultures of canine and feline origin, resulting in chronic infections in these cultures. infection of equine cell cultures, which were the previous sole in vitro source demonstrated for virus production, was also performed for comparative purposes. determination of the nature of the virus produced in the heterologous as well as the equine cells was accomplished in several ways. sds-page of purified virus from the differe ... | 1981 | 6177659 |
hemagglutination-inhibition tests with different strains of equine infectious anemia virus. | the serologic relationships between 6 strains of equine infectious anemia (eia) viruses were investigated by hemagglutination-inhibition (hi) tests. cross hi tests, using sera from horses in the early stage of infection, revealed that all strains were inhibited only by homologous strain antisera and that hi antibody was always detectable before virus-neutralizing antibody. in the later stages of infection, both homologous and heterologous hi antibodies were detected in a sera of most of the hors ... | 1981 | 6175255 |
studies with equine infectious anemia virus: transmission attempts by mosquitoes and survival of virus on vector mouthparts and hypodermic needles, and in mosquito tissue culture. | biological and mechanical transmission trials with psorophora columbiae (dyar and knab) and aedes sollicitans (walker) and ponies acutely infected with equine infectious anemia virus (eiav) were negative. the eiav antigen was detected by radioimmunoassay in ae sollicitans immediately after the mosquitoes had fed on an acutely ill pony, but not 14 days after feeding. psorophora columbiae mosquitoes had detectable eiav antigen as determined by radioimmunoassay 24 hours after they fed on an acutely ... | 1981 | 6119953 |
the role of stable flies and mosquitoes in the transmission of equine infectious anemia virus. | 1980 | 6118874 | |
enzyme-linked immunosorbent assay for detection of equine infectious anemia antibody to purified p26 viral protein. | an indirect enzyme-linked immunosorbent assay (elisa) was developed for the detection of equine infectious anemia (eia) antibody in horse sera. purified p26 viral protein was the antigen; alkaline phosphatase linked to rabbit anti-horse immunoglobulin g was the conjugate. the elisa detected eia antibodies in horse sera as early as 11 to 14 days after experimental inoculations. there was full agreement between the results of elisa and the agar-gel immunodiffusion tests on eia proficiency test ser ... | 1984 | 6089620 |
genomic alterations associated with persistent infections by equine infectious anaemia virus, a retrovirus. | the unique periodic nature of equine infectious anaemia (eia) is believed to result from the ability of the infecting virus. eiav, to undergo relatively rapid antigenic variations which circumvent host immune responses resulting in distinct virus populations in sequential clinical episodes in the persistently infected horse. this model was examined by oligonucleotide mapping comparisons of the rna genomes of selected isolates of eiav. variations in oligonucleotide maps could be reproducibly demo ... | 1984 | 6086822 |
[studies on tissue culture of equine infectious anemia virus. vii. evaluation of bovine serum used for equine leukocyte culture with special reference to the relationship between the serum protein fraction pattern and the culture growth]. | 1966 | 4960853 | |
resistance of horses infected chronically with equine infectious anemia virus against reinfection. | 1973 | 4792269 | |
demonstration of antigenic identity between purified equine infectious anemia virus and an antigen extracted from infected horse spleen. | antigenic relationship between purified equine infectious anemia (eia) virus and spleen-derived antigen from eia-infected horses was examined by immunodiffusion. identical antigenicity of these two antigens has been proven because precipitation lines formed between the two antigens and eia antiserum connected with each other. the results indicate that the antigenic substance derived from infected spleen is a component of eia virus. | 1972 | 4629262 |
quantitation of immunoglobulin-bearing lymphocytes and lymphocyte response to mitogens in horses persistently infected by equine infectious anemia virus. | a defect in lymphocyte function could be responsible for persistent infection by the equine infectious anemia virus. the number of lymphocytes bearing surface immunoglobulin, as detected by immunofluorescence, and lymphocyte response to mitogens were the same in uninfected and equine infectious anemia-infected animals. a defect in t or b lymphocyte numbers or ability to respond to stimuli was not detected in this chronic virus disease. | 1973 | 4582640 |
unsuccessful attempts to propagate equine infectious anemia virus in lambs and small experimental animals. | 1974 | 4375794 | |
propagation of equine infectious anemia virus in horse kidney cell cultures. | 1974 | 4375791 | |
studies on complement-fixation reaction in equine infectious anemia. i. development and activities of complement-fixing and complement fixation-inhibiting antibodies. | 1974 | 4374566 | |
equine infectious anemia virus from infected horse serum. | equine infectious anemia virus was purified from infected horse serum samples. electron microscope observation on negatively stained preparations of purified virus showed roughly spherical particles sized between 100 and 200 nm in diameter. in disrupted particles, an envelope was visible but no internal structure could be resolved. since the purified virus fraction had a strong antigenic activity to antiserum in immunodiffusion reaction, these particles are thought to be the causative virus of e ... | 1974 | 4372175 |
equine infectious anemia. | 1974 | 4371283 | |
spontaneous autoimmune diseases of domestic animals. | 1974 | 4367527 | |
excretion of equine infectious anemia virus from horses infected with the virus. | 1973 | 4366013 | |
prevalence of antibodies to herpesvirus types 1 and 2, arteritis and infectious anemia viral antigens in equine serum. | 1974 | 4360338 | |
equine infectious anemia. | 1974 | 4359480 | |
equine infectious anemia: a retrospective study of an epizootic. | 1974 | 4358831 | |
production of equine infectious anemia antigen in a persistently infected cell line. | 1973 | 4358259 | |
preparation of equine infectious anemia virus antigen for immunodiffusion test. | 1973 | 4358258 | |
role of horse fly (tabanus fuscicostatus hine) and stable fly (stomoxys calcitrans l.) in transmission of equine infectious anemia to ponies in louisiana. | 1973 | 4357708 | |
[equine infectious anemia--recent researches and prospect of the study (author's transl)]. | 1973 | 4356439 | |
passive immunity in the foal: measurement of immunoglobulin classes and specific antibody. | 1973 | 4355952 | |
physicochemical studies of equine infectious anemia virus. v. effect of ultraviolet irradiation on virus infectivity. | 1973 | 4352062 | |
extraction of equine infectious anemia immunodiffusion antigen with the aid of the chaotropic agent, thiocyanate. | immunodiffusion antigen from spleens of horses infected with equine infectious anemia virus was prepared by methods employing freeze-thaw cycles and thiocyanate treatment. thiocyanate (0.5 m) permitted the recovery of the greatest amount of antigen. furthermore, it was most effective for recovery of immunodiffusion antigen from spleens which yielded unsatisfactory concentrations of antigen by the conventional freeze-thaw or water-extraction methods. the reactivity of the antigen did not appear t ... | 1973 | 4348466 |
study of the one-step growth curve of equine infectious anemia virus by immunofluorescence. | primary horse leukocyte cultures were inoculated with 2 or 10 50% tissue culture infective doses (tcid(50)) of equine infectious anemia (eia) virus per cell, and the titer of cell-associated and fluid-phase virus was determined from 1 to 72 hr postinoculation (pi). cover slips were collected from 4 to 72 hr pi and stained for eia viral antigen by the indirect immunofluorescent (fa) technique. viral replication was detected after a latent period of approximately 18 to 24 hr and reached peak titer ... | 1972 | 4344094 |
detection of precipitating antibody in equine infectious anemia by concentrated virus antigen. | 1972 | 4340682 | |
filtrability of equine infectious anemia virus. | 1972 | 4339550 | |
immunologically mediated glomerulitis of horses. i. pathogenesis in persistent infection by equine infectious anemia virus. | 1972 | 4337973 | |
diagnosis of equine infectious anemia by immunodiffusion test. | 1972 | 4333633 | |
titration of equine infectious anemia virus. effect of dosage on incubation time and clinical signs. | 1971 | 4330637 | |
detection of equine infectious anemia virus in vitro by immunofluorescence. | 1971 | 4330258 | |
serological comparison among various strains of equine infectious anemia virus. | 1971 | 4330134 | |
[recent virological and immunological findings in infectious anemia in horses]. | 1971 | 4329836 | |
immunopathology of equine infectious anemia. | 1971 | 4328671 | |
characterization of precipitating antibody in equine infectious anemia. | 1971 | 4328472 | |
[cultivation of equine infectious anemia virus]. | 1970 | 4325782 | |
distribution of equine infectious anemia virus in horses infected with the virus. | 1971 | 4325551 | |
[indication of virus of equine infectious anemia]. | 1970 | 4324050 | |
growth of equine infectious anemia in a new cell system. | 1969 | 4323215 | |
immunofluorescent localization of equine infectious anemia virus in tissue. | 1971 | 4322275 | |
physicochemical studies of equine infectious anemia virus. iv. determination of the nucleic acid type in the virus. | 1970 | 4321449 | |
immunization of horses against equine infectious anemia (eia) with an attenuated eia virus. | 1970 | 4320652 | |
changes in pathogenicity of equine infectious anemia virus during passages in horse leukocyte cultures. | 1970 | 4320651 | |
[animal viral anemia: equine infectious anemia]. | 1970 | 4320458 | |
growth of the equine infectious anemia virus in a continuous-passage horse leukocyte culture. | 1970 | 4319261 | |
growth characteristics of equine infectious anemia virus in horse leukocyte cultures. brief report. | 1970 | 4318580 | |
electron microscopy of equine infectious anemia virus. | equine infectious anemia (eia) virus was observed in thin sections of infected cultured horse leukocytes by electron microscopy. the virus particles had a spherical shape and were between 80 and 120 nm in diameter. most of them contained an electron-dense nucleoid 40 to 60 nm in diameter. they were observed to form by a process of budding from the plasma membrane and appeared to have thin surface projections. the particles described were not detected in uninfected cultured cells, and their appea ... | 1969 | 4311413 |
attempts to cultivate the equine infectious anemia virus in various types of cells. | 1968 | 4307837 | |
viremia and immunological responses in horses infected with equine infectious anemia virus. | 1969 | 4306393 | |
physicochemical studies of equine infectious anemia virus. ii. sensitivity of the virus to trypsin. | 1969 | 4306375 | |
physicochemical studies of equine infectious anemia virus. i. buoyant density of the virus. | 1969 | 4306374 | |
[outbreak of infectious anemia among horses on a farm--an epidemiological experiment]. | 1967 | 4306358 | |
characteristics of the complement-fixing antigen of equine infectious anemia virus. | 1968 | 4305805 | |
fractionation of equine infectious anemia virus by diethylaminoethyl cellulose chromatography and sucrose density gradient centrifugation. | 1968 | 4305804 | |
equine infectious anemia: preliminary investigation of the complement-fixation test for the demonstration of antibodies and antigen. | clinical field cases of equine infectious anemia were studied and the disease was reproduced experimentally in horses. attempts were made to adapt the complement-fixation test to the detection of antibodies in the serum of infected animals and to the demonstration of antigens in tissue extracts.a moderate complement-fixing antibody response was demonstrated in the serum of horses shortly after primary exposure to the infectious agent. however, this reactivity was of short duration and occurred w ... | 1969 | 4305760 |
enzymes of equine erythrocytes: changes during equine infectious anemia. | 1969 | 4304330 | |
behavior of equine infectious anemia virus in cell culture and development of a diagnostic test for the disease. | 1968 | 4302685 | |
[myocardium infarct in horses with infectious anemia]. | 1968 | 4300496 | |
[the development of petechial hemorrhages on the under-surface of the tongue in the horse and its relation to infection with the virus of equine infectious anemia]. | 1967 | 4299474 | |
gas chromatographic detection of in vivo activity of equine infectious anaemia virus. | 1968 | 4298814 | |
specificity of assay of equine infectious anemia virus in horse leukocyte culture. | 1967 | 4295385 | |
equine infectious anemia occurring in hokkaido, japan--its histopathology and a critical view of the occurrence and diagnosis of this disease. | 1967 | 4294930 | |
pathological studies on bone marrow in equine infectious anemia. ii. histopathology of vertebral, sternal and femoral bone marrow. | 1967 | 4294929 | |
propagation and titration of equine infectious anemia virus in horse leukocyte culture. | 1967 | 4293214 | |
pathological studies on bone marrow in equine infectious anemia. i. macroscopical findings on whole longitudinal sections of bone marrow. | 1967 | 4293213 | |
physicochemical studies on equine infectious anemia virus. examination of purification methods. | 1967 | 4293212 | |
serial passages of equine infectious anemia virus in horse leukocyte culture. | 1967 | 4293211 | |
complement fixation test of equine infectious anemia. ii. relationship between cf antibody response and the disease. | 1966 | 4292232 | |
complement fixation test of equine infectious anemia. i. specificity of the test. | 1966 | 4292231 | |
[infectious anemia of horses. questions and answers on infectious anemia of horses]. | 1966 | 4290778 | |
equine infectious anemia. new problems. | 1966 | 4288554 | |
[study of precipitogens of equine infectious anemia virus]. | 1973 | 4198632 | |
electron microscopic observations of equine infectious anemia (eia) virus in cultivated horse leukocytes. (brief report). | 1969 | 4195626 | |
physicochemical studies of equine infectionus anemia virus. 3. purification and electron microscopic observation of the virus. | 1969 | 4195623 |