Activation of antigen-induced lymphocyte proliferation by interleukin-15 without the mitogenic effect of interleukin-2 that may induce human immunodeficiency virus-1 expression.

A H Patki; M E Quiñones-Mateu; D Dorazio; B Yen-Lieberman; W H Boom; E K Thomas; M M Lederman

doi:10.1172/JCI118831

Department of Medicine, Case Western Reserve University School of Medicine, University Hospitals of Cleveland, Ohio 44106, USA.

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Department of Medicine, Case Western Reserve University School of Medicine, University Hospitals of Cleveland, Ohio 44106, USA.

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Department of Medicine, Case Western Reserve University School of Medicine, University Hospitals of Cleveland, Ohio 44106, USA.

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Department of Medicine, Case Western Reserve University School of Medicine, University Hospitals of Cleveland, Ohio 44106, USA.

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Published in Volume 98, Issue 3 on August 1, 1996
J Clin Invest. 1996;98(3):616–621. https://doi.org/10.1172/JCI118831.
© 1996 The American Society for Clinical Investigation

Published August 1, 1996 - Version history

The newly identified cytokine, IL-15 enhanced antigen-induced proliferation of PBMC obtained from HIV-1-seropositive subjects. When compared to IL-2 which enhanced both spontaneous and antigen-induced lymphocyte proliferative responses, IL-15 rarely increased spontaneous lymphocyte proliferation. Additionally, in cultures of lymphocytes obtained from 15 HIV-1-infected patients with < 300 circulating CD4- lymphocytes/microliter IL-15 induced significant HIV-1 expression (46, 21, and 71 pg/ml) in only 3 of 15 experiments and IL-2 induced significant HIV-1 expression (range 16- > 5000 pg/ml) in 11 of 15 experiments (P < 0.01, Fischer's exact test). Simultaneous assays of cytokine-induced spontaneous lymphocyte proliferation and HIV-1 expression revealed similar dose-response relationships for induction of HIV-1 and lymphocyte proliferation by IL-2. Thus, IL-15 helps to correct the impaired proliferative response of CD4+ lymphocytes from HIV-1-infected persons without the mitogenic effect of IL-2 that also may induce HIV-1 expression.

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Activation of antigen-induced lymphocyte proliferation by interleukin-15 without the mitogenic effect of interleukin-2 that may induce human immunodeficiency virus-1 expression.

A H Patki, M E Quiñones-Mateu, D Dorazio, B Yen-Lieberman, W H Boom, E K Thomas, and M M Lederman

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Activation of antigen-induced lymphocyte proliferation by interleukin-15 without the mitogenic effect of interleukin-2 that may induce human immunodeficiency virus-1 expression.

A H Patki, M E Quiñones-Mateu, D Dorazio, B Yen-Lieberman, W H Boom, E K Thomas, and M M Lederman

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