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  • Title: Establishment of a novel feline leukemia virus (FeLV)-negative B-cell cell line from a cat with B-cell lymphoma.
    Author: Mochizuki H, Takahashi M, Nishigaki K, Ide T, Goto-Koshino Y, Watanabe S, Sato H, Sato M, Kotera Y, Fujino Y, Ohno K, Uchida K, Tsujimoto H.
    Journal: Vet Immunol Immunopathol; 2011 Apr 15; 140(3-4):307-11. PubMed ID: 21272942.
    Abstract:
    We established a novel feline B-cell line, MS4, from the neoplastic pleural effusion of a cat with cutaneous B-cell lymphoma. Immunophenotype staining of the MS4 cells was positive for CD20, CD79α, and IgA and negative for CD3, CD4, CD5, CD8α, CD18, CD21, CD22, IgM, IgG, Ig light chain, and MHC class II. PCR analysis for immunoglobulin heavy chain gene rearrangements revealed a monoclonal rearrangement, whereas no clonal rearrangement of the T-cell receptor γ gene was detected. Southern blotting with an exogenous feline leukemia virus (FeLV) U3 probe revealed no integration of exogenous FeLV provirus. The MS4 cell line is the first FeLV-negative feline B-cell lymphoma cell line, and may be used to investigate the pathogenesis of spontaneously occurring feline lymphoma and the development of new therapies.
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