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. 1987 Mar;60(3):471–473.

Generation of lymphokine-activated killer cells does not require DNA synthesis.

M Malkovský, M Jíra, J Madar, V Malkovska, B Loveland, G L Asherson
PMCID: PMC1453248  PMID: 3494672

Abstract

We studied the role of DNA synthesis in the induction of lymphokine-activated killer (LAK) cells by recombinant interleukin-2 (IL-2) and the dependence of this phenomenon on DNA synthesis. Doses of gamma-irradiation (1000-5000 rads) that profoundly reduced DNA synthesis in human peripheral blood mononuclear leucocytes (PBL) also effectively suppressed the development of cytotoxic activity in the absence of IL-2. However, the same doses of irradiation affected the induction of LAK activity by IL-2 to a much lesser extent. Blocking the formation of deoxyribonucleotides by hydroxyurea, which resulted in a complete inhibition of DNA synthesis in PBL or purified T lymphocytes, had virtually no effect on the generation of LAK cells. These results indicate that the expression of LAK activity is not dependent on DNA synthesis.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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