doi: 10.1126/science.1853205.
MHC class I deficiency: susceptibility to natural killer (NK) cells and impaired NK activity
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- PMID: 1853205
- DOI: 10.1126/science.1853205
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MHC class I deficiency: susceptibility to natural killer (NK) cells and impaired NK activity
Science.
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Abstract
The role of major histocompatibility complex (MHC) class I expression in natural killer (NK) cell target recognition is controversial. Normal T cell blasts from MHC class I-deficient mutant mice were found to serve as target cells for NK cells in vitro, which suggests that MHC class I molecules are directly involved in NK cell recognition. Spleen cells from the mutant mice were deficient in their ability to lyse MHC class I-deficient target cells or NK-susceptible tumor targets, and mutant mice could not reject allogeneic bone marrow. Thus, class I molecules may participate in the positive selection or tolerance induction of NK cells.
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