Prolonged Immunoparalysis of NK Cells After Surgery.

After surgery, immune system function is impaired, which has been acknowledged by surgeons.
After cancer surgery, it was found that anti-cancer ability through direct poisoning mechanism of NK cells was reduced (transiently, about 1 week).
The study found that in more than 90% of patients surveyed, NK cell Interferon gamma secretion activity decreased below detection levels of this assay, and this decrease persisted up to 1 month after surgery with about 65 % of cases.

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