环孢霉素A(Cyelosporin A),简写为Cs A是一种新型的强免疫抑制剂。与以往的免疫抑制剂相比,它具有较高的选择性免疫抑制作用及很低的骨髓毒性等优点,尤其对同种异体组织器官移植后的排斥反应有特殊作用。因此,Cs A引起了世界范围的浓厚兴趣。近十年中,各方面的科学家在化学,药理、毒理、药物代谢及临床应用等多方面 Cyclosporin A (Cyelosporin A), abbreviated as Cs A is a novel strong immunosuppressant. Compared with the previous immunosuppressive agents, it has the advantages of higher selective immunosuppression and low myelotoxicity, and has particular effect on allograft rejection after allogeneic organ transplantation. Therefore, Cs A has aroused great interest in the world. In the past ten years, scientists from all walks of life in many aspects such as chemistry, pharmacology, toxicology, drug metabolism and clinical application