Endocrine Abstracts

An association between testicular function and vasoconstrictive peptide endothelin-1 levels, which is produced by Leydig and Sertoli cells, is observed. Endothelin –1 regulates blood flow in the testis and stimulates testosterone secretion.The purpose of this study is (1) to estimate the influence of tamoxifene and raloxifene therapy on enthothelin-1 levels in men of reproductive age with idiopathic hypogonadism. (2) To find an association between i...