瘦素 ,即特异性血清消脂素 ,对它最初的研究主要集中于其在肥胖中的作用 ,但以后的研究结果发现其缺乏不是造成单纯性肥胖的原因。有研究表明leptin在青春期发育期及期后维持下丘脑 -垂体 -性腺正常功能中起着重要的作用。 Leptin, a specific serum adiponectin, initially focused on its role in obesity, but later studies found that lack of it was not the cause of simple obesity. Studies have shown that leptin plays an important role in maintaining normal hypothalamic-pituitary-gonadal function during and after puberty.