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已知透明带(ZP)是哺乳动物卵子周围的一种非细胞的糖蛋白层,精子与透明带的相互作用是受精开始和关键的一步。最近研究表明透明带有卵巢的组织特异性抗原,其抗原性无种属的特异性。由于已证明了人透明带与猪透明带有交叉反应抗原
ZP is known to be a non-cellular glycoprotein surrounding mammalian eggs and the interaction of sperm and zona pellucida is a crucial and initial step in fertilization. Recent studies have shown that ovarian tissue-specific antigen is transparent, non-genus specific antigenicity. Since human zona pellucida has been shown to cross-react with porcine zona pellucida