Samuel Strober
Publication Details
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Cloned natural suppressor cell lines express the CD3+CD4-CD8- surface phenotype and the alpha, beta heterodimer of the T cell antigen receptor.
J Immunol. 1989; (4): 1118-22
Several cloned lines of natural suppressor (NS) cells were studied for their expression of the TCR complex. Almost all bore the CD3+CD4-CD8- surface phenotype with the alpha, beta TCR as judged by immunofluorescent staining. Immunoprecipitation experiments showed a spot on two-dimensional gels which is characteristic of the TCR heterodimer, but neither gamma- nor delta-chains could be precipitated with the appropriate antibodies. NS cells were stimulated to proliferate in vitro with anti-CD3 antibodies and PMA in the presence of irradiated spleen cells. However, anti-CD3 antibodies did not inhibit the suppressive activity of the NS cells. The role of the TCR complex in the suppressive function of these cells remains to be elucidated.
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