MSH: A cyclic undecapeptide from an extract of soil fungi. It is a powerful immunosupressant with a specific action on T-lymphocytes. It is used for the prophylaxis of graft rejection in organ and tissue transplantation. (From Martindale, The Extra Pharmacopoeia, 30th ed).,CSP: 11-residue cyclic peptide produced by certain fungi which has antifungal and T cell specific immunosuppressive properties.,NCI: A drug used to help reduce the risk of rejection of organ and bone marrow transplants by the body. It is also used in clinical trials to make cancer cells more sensitive to anticancer drugs.,CHV: A drug used to help reduce the risk of rejection of organ and bone marrow transplants by the body,CHV: A drug used to help reduce the risk of rejection of organ and bone marrow transplants by the body,CHV: A drug used to help reduce the risk of rejection of organ and bone marrow transplants by the body,CHV: A drug used to help reduce the risk of rejection of organ and bone marrow transplants by the body,CHV: A drug us