Surface analysis of IgM-expressing bovine lymphocytes in BLV-infected cattle by immuno-scanning electron microscopy

Surface of IgM-expressing lymphocytes infected by bovine leukemia virus and with/without persistent lymphocytosis (BLV+PL-, BLV+PL+) in cattle is heterogenous. Three distinct morphological structures of B lymphocytes were found in these groups by immuno-scanning electron microscopy (ISEM). B lymphoc...

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Published inFolia histochemica et cytobiologica Vol. 34; no. 1; pp. 31 - 34
Main Authors Levkut, M, Ponti, W, Levkutova, M, Turin, L, Poli, G
Format Journal Article
LanguageEnglish
Published Poland 1996
Subjects
AIDS/HIV
Animals
B-Lymphocytes - metabolism
Cattle
Enzootic Bovine Leukosis - blood
Female
Immunoglobulin M - blood
Leukemia Virus, Bovine
Lymphocytes - metabolism
Lymphocytes - virology
Microscopy, Immunoelectron
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Summary:Surface of IgM-expressing lymphocytes infected by bovine leukemia virus and with/without persistent lymphocytosis (BLV+PL-, BLV+PL+) in cattle is heterogenous. Three distinct morphological structures of B lymphocytes were found in these groups by immuno-scanning electron microscopy (ISEM). B lymphocytes with generally elongated and pleomorphic microvilli and sometimes short ruffles were observed in infected, and as well as in non-infected animals. A second morphological type endowed with a relatively small number of elongated villi-like veils, and a third morphological type characterized by a relatively small number of short microvilli or blunt stub-like microvilli covering the smooth surface were seen, mainly in BLV+PL+ and seldom in BLV+PL- Cells of the second type were more intensively labeled, than lymphocytes of the third type.
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ISSN:0239-8508