Depressed natural killer cell activity in acute myocardial infarction

K. Klarlund, B. K. Pedersen, T. G. Theander, V. Andersen

22 Citationer (Scopus)

Abstract

Natural killer (NK) cell activity against K562 target cells was measured in patients within 24 h of acute myocardial infarction (AMI) and regularly thereafter for 6 weeks. NK cell activity was suppressed on days 1, 3, and 7 (P < 0.01), day 14 (P < 0.05) and at 6 weeks (P = 0.05) when compared to controls. Interferon, interleukin 2 and indomethacin enhanced NK cell activity on all days measured, but did not completely restore the defective NK cell activity. Serum from the patients did not suppress the NK cell activity of healthy mononuclear cells. The number of NK cells, identified as large granular lymphocytes (LGL), measured on days 1, 3, and 14 and at 6 weeks was not reduced in comparison to that of controls. Thus, the defective NK cell activity can be characterized as functional.

OriginalsprogEngelsk
TidsskriftClinical and Experimental Immunology
Vol/bind70
Udgave nummer1
Sider (fra-til)209-216
Antal sider8
ISSN0009-9104
StatusUdgivet - 1987
Udgivet eksterntJa

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