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很多胎盘激素在其结构上和生理功能上近似于垂体激素。现已清楚的知道垂体激素的合成和释放是由下丘脑激素调节的。但胎盘激素的情况是否与其相同还不清楚,因为直到最近尚未发现有类似作用于垂体的释放激素,但是一些刚刚开始的研究发现了胎盘在合成和分泌激素的机制上和垂体是一样的。因为在正常的胎盘中已可以识别出有少量的下丘脑所分泌的肽类物质。通过测定,部分证明了在成人胎盘中这些化合物类似LHRH,这首先是根据免疫荧光试验发现
Many placental hormones are similar in structure and physiological function to pituitary hormones. It is now well understood that the synthesis and release of pituitary hormones is regulated by hypothalamic hormones. Whether placental hormones are the same or not remains unclear, however, until recently there have been no released hormones that have been found to act on the pituitary gland. However, some newly started studies have found that the placenta is identical in mechanism to the synthesis and secretion of hormones. Because in the normal placenta has been able to identify a small amount of secreted peptides in the hypothalamus. It was partially confirmed by the assay that these compounds resemble LHRH in adult placenta, first of all based on immunofluorescence assays