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Identification of interleukin 6 as a synergistic factor for the differentiation-inducing effect of TNF on leukemic
B Samal1, G Stearns, C Crandall
1Amgen Inc., Amgen Center, Thousand Oaks, CA 91320.
Leukemia Research
|January 1, 1990
Abstract:
Recombinant TNF was capable of inducing differentiation of human leukemic ML-1 cells in the monocytic pathway. Recombinant interleukin 6 did not have the activity but it could significantly increase the activity of recombinant TNF. Both of these molecules were found to play a similar role in PWM-induced conditioned medium from human lymphocytes (LCM). The differentiation inducing effect of LCM could be partially neutralized by antibody to interleukin 6. Fractionation of LCM also identified interleukin 6 as the factor that synergizes with TNF.