Antigen involved in post transplant rejection?: (A) HL A-Antigen, (B) Nuclear antigen, (C) Polysaccharide, (D) DHA
Answer is A. Ans. is 'a' i.e., HLA - antigen o For rejection of graft, there must be some antigen that is recognized as foreign and the most important antigen is HLA antigen of grafted tissue.