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2 年
小小的HCG (β-HCG),大大的作用
血清人绒毛促性腺激素HCG 是妊娠期间由胎盘滋养层细胞分泌的激素。HCG由两个独立的非共价键相连的肽链(α亚基和β亚基)构成。HCGα亚基氨基酸数及排列顺序与卵泡刺激素(FSH)、黄体生成素(LH)、促甲状腺激素(TSH)的亚基相同;β亚基氨基酸末尾的28~32个氨基酸为其 ...
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