Immunohistochemistry,Western bloting,in situ hybridyzation and RT-PCR were used to detect the protein and mRNA expressions of ADM,ADMR,ET-1 and EDNR-A.

• 采用免疫组化检测ADM和ET-1的表达,W estern b lot检测ADMR和EDNR-A蛋白的表达,原位杂交检测ADM mRNA和RT-PCR检测ET-1 mRNA的表达。