Most important HLA for organ transplantation and tissue typing:: (A) HLA-A, (B) HLA-B, (C) HLA-C, (D) HLA-D
Answer is D. Ans. (d) HLA-DRef: Bailey 26th edition, Pages 1409-1412* HLA- A, B, DR are the most important antigens in transplant* HLA antigens are the most common cause of graft rejection* HLA- DR is the most important of all* Anti HLA antibodies causes hyper acute rejection.