Elsevier

Immunology Letters

Volume 36, Issue 2, May 1993, Pages 215-218
Immunology Letters

Morphine effect on proliferation of normal and tumor cells of immune origin

https://doi.org/10.1016/0165-2478(93)90055-7Get rights and content

Abstract

The influence of morphine on proliferation of human tumor K562 and lymphoid cells was studied and compared with that on the mitogen-induced proliferation of human peripheral blood mononuclear cells (PBMC). Morphine was shown to act as a suppressor of both cellular DNA synthesis (50% and more as compared to control) and the cellular population growth of mitogen-induced PBMC, B-lymphoma Namalva cells and EBV-transformed lymphocytes. Morphine activated proliferation of myeloid K562 and T-lymphoma Yurkat cells 1.5-fold. It is supposed that the opposite effects of morphine on proliferation of cell lines of immune origin reveal the difference in modulation of diverse immune cell types by morphine.

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