Which immune response is responsible for rejection of kidney graft and

1.	Which immune response is responsible for rejection of kidney graft and why?
Answer» Graft\xa0rejection\xa0occurs when the recipient\'s\xa0immune system\xa0attacks the donated graft and begins destroying the\xa0transplanted\xa0tissue or\xa0organ. The\xa0immune response\xa0is usually triggered by the presence of the donor\'s own unique set of HLA proteins, which the recipient\'s\xa0immune system\xa0will identify as foreign. Immune response is responsible for rejection of kidney graft\xa0because the person\'s\xa0immune system\xa0detects that the antigens on the cells of the\xa0organ are\xa0different or not "matched." Mismatched\xa0organs, or\xa0organs\xa0that\xa0are\xa0not matched closely enough, can\xa0trigger\xa0a blood transfusion\xa0reaction\xa0or\xa0transplant\xa0rejection.

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