serosurvey for feline leukemia virus and lentiviruses in captive small neotropic felids in são paulo state, brazil.feline leukemia virus (felv), gammaretrovirus, and feline immunodeficiency virus, a lentivirus, are members of the family retroviridae, and may establish persistent infections in the domestic cat (felis catus). cytoproliferative and cytosuppressive disorders may result from infection with these viruses. morbidity and mortality rates are high in domestic cats worldwide. infection of endangered neotropic small felids with these viruses could be devastating. to investigate the prevalence of felv an ...200312723802
survey of feline leukemia virus and feline coronaviruses in captive neotropical wild felids from southern brazil.a total of 57 captive neotropical felids (one leopardus geoffroyi, 14 leopardus pardalis, 17 leopardus wiedii, 22 leopardus tigrinus, and three puma yagouaroundi) from the itaipu binacional wildlife research center (refúgio bela vista, southern brazil) were anesthetized for blood collection. feces samples were available for 44 animals, including one l. geoffroyi, eight l. pardalis, 14 l. wiedii, 20 l. tigrinus, and one p. yagouaroundi. total dna and rna were extracted from blood and feces, respe ...200919569487
quantification and molecular characterization of the feline leukemia virus a receptor.virus receptors and their expression patterns on the cell surface determine the cell tropism of the virus, host susceptibility and the pathogenesis of the infection. feline thiamine transport protein 1 (fthtr1) has been identified as the receptor for feline leukemia virus (felv) a. the goal of the present study was to develop a quantitative, taqman real-time pcr assay to investigate fthtr1 mrna expression in tissues of uninfected and felv-infected cats, cats of different ages, in tumor tissues a ...201121889617
molecular detection of viral agents in free-ranging and captive neotropical felids in brazil.we describe molecular testing for felid alphaherpesvirus 1 (fhv-1), carnivore protoparvovirus 1 (cppv-1), feline calicivirus (fcv), alphacoronavirus 1 (feline coronavirus [fcov]), feline leukemia virus (felv), feline immunodeficiency virus (fiv), and canine distemper virus (cdv) in whole blood samples of 109 free-ranging and 68 captive neotropical felids from brazil. samples from 2 jaguars ( panthera onca) and 1 oncilla ( leopardus tigrinus) were positive for fhv-1; 2 jaguars, 1 puma ( puma conc ...201728677421
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