Analysis of mechanisms by which NK cells acquire increased cytotoxicity against class I MHC-eliminated targets.


Acid treatment, where cells are exposed to 0.2 M citric acid buffer at pH 3 for 2 min, was described in a previous paper to be a method which specifically eliminates class I MHC antigens from the membrane of viable cells. We applied this method to characterize functional roles of class I MHC antigens on the target cells in NK cell cytotoxicity. When NK… (More)


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