The binding activity of various CsA analogs was shown as following:CsA>CsC>CsD>CsB.CONCLUSION The cyclophilin A binding assay is sensitive,reproducible and stable.

• 对几种CsA类似物与CyPA的亲和力进行测定的结果表明 ,其亲和力CsA >CsC >CsD >CsB。