Feng was in need of a kidney transplant. What is the most important thing that needs to match between him and the kidney donor?Multiple ChoiceTCRMHCPCRHCGEKG

The most important thing that needs to match between a kidney transplant recipient, like Feng, and the kidney donor is the human leukocyte antigen (HLA), specifically the Tissue Compatibility (TCR).

In organ transplantation, compatibility is crucial to minimize the risk of organ rejection. HLA are proteins found on the surface of cells that help the immune system recognize which cells belong in the body and which do not. A closer match in HLA typing between the donor and the recipient can enhance transplant success and reduce the chances of rejection.

In summary, a successful kidney transplant requires careful consideration of immunological compatibility, with TCR (Tissue Compatibility) being the most vital factor to ensure safety and efficacy in the transplantation process.