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Science 17 February 1984:
Vol. 223. no. 4637, pp. 703 - 707
DOI: 10.1126/science.6320367
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Articles

Science, Vol 223, Issue 4637, 703-707
Copyright © 1984 by American Association for the Advancement of Science

articles

Lymphokine production by cultured human T cells transformed by human T-cell leukemia-lymphoma virus-I

SZ Salahuddin, PD Markham, SG Lindner, J Gootenberg, M Popovic, H Hemmi, PS Sarin, and RC Gallo

Cell-free conditioned media from human T cells transformed by human T-cell leukemia-lymphoma virus (HTLV-I) were tested for the production of soluble biologically active factors, including several known lymphokines. The cell lines used were established from patients with T-cell leukemia-lymphoma and from human umbilical cord blood and bone marrow leukocytes transformed by HTLV-I in vitro. All of the cell lines liberated constitutively one or more of the 12 biological activities assayed. These included macrophage migration inhibitory factor (MIF), leukocyte migration inhibitory factor (LIF), leukocyte migration enhancing factor (MEF), macrophage activating factor (MAF), differentiation inducing factor (DIF), colony stimulating factor (CSF), eosinophil growth and maturation activity (eos. GMA), fibroblast activating factor (FAF), gamma-interferon and, in rare instances, T-cell growth factor (TCGF). Some cell lines produced interleukin 3 (IL-3), platelet-derived growth factor (PDGF), or B-cell growth factors (BCGF). Such cells should prove useful for the production of lymphokines and as sources of specific messenger RNA's for their genetic cloning.


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