1887

Abstract

Feline immunodeficiency virus (FIV) infection in cats is associated with an increase of feline CD (fCD)8 and fCD8 cells in peripheral blood. To investigate these cells in more detail, an anti-fCD3 mAb, termed NZM1, was generated, which recognizes the extracellular epitope of the fCD3 molecule. The anti-fCD3 mAb proved to be more suitable for identifying feline T cells than the anti-fCD5 one, which has been used as a pan-T-cell reagent in cats, because of the presence of fCD5fCD3 cells among lymphocytes. Although the fCD8 and fCD8 cells in the FIV-infected cats expressed fCD3, a subset of fCD8 cells expressed fCD3 antigen at a lower level than the T cells whose phenotype was fCD4, or fCD8 . The lower expression of fCD3 may be associated with the immune status of fCD8 T cells.

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2004-09-01
2024-12-14
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