期刊
GENES AND IMMUNITY
卷 1, 期 6, 页码 371-379出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.gene.6363693
关键词
cytokines; lymphocyte proliferation; P-glycoprotein; knock out mice; mdr-1
P-glycoprotein (encoded by multidrug resistance genes), a member of the A TP-binding cassette transporter protein superfamily, has been shown to play a role in the secretion of cytokines. This conclusion was based upon the inhibition of cytokine secretion by anti-Pgp monoclonal antibodies. In this study, we show that anti-CD3-stimulated lymphocytes from wild-type, mdr1a knock out and mdr1ab double knock out mice produce similar amounts of IL-2, IFN-gamma IL-4, and IL-10. In addition, Jurkat T cells that lack P-gp and MDR1-transfected Jurkat T cells (Jurkat(P.gp)) as well as purified human peripheral blood CD4(+) P-gp(+) and CD4(+) P-gp(-) and CD8(+) P-gp(+) and CD8(+) P-gp(-) T cell subsets produced comparable amounts of IL-2. These data show that P-gp is not required for secretion of IL-2, IFN-gamma, IL-4, and IL-10 secretion in mice and IL-2 secretion in humans.
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