精子受体

By using the chlortetracycline assay, we found the effect of GABA on rat spermatozoa acrosome reaction is biphasic, i.

本研究则进一步分析这两种受体在大鼠精子顶体反应中的作用机制和相互关系。

Relation between localization of nucleus and polar distribution of Con A receptors on surface of central cell and egg cell was also studied.

为进一步探讨由生殖细胞到精子的发育过程中细胞质膜表面凝集素受体的可能变化及两个精子的可能差异。

PH-20 is a traditional sperm membrane antigen,and it is a glycophosphatidylinositolanchored hyaluronidase.

PH-20(posterior head 20)作为传统的精子膜抗原，是由磷脂酰肌醇(glycophosphatidylinositol，GPI)锚定的膜结合型透明质酸酶，最适PH值呈中性，它分布于精子表面浆膜和顶体内膜，是一种透明质酸酶诱导信号转导的受体和识别透明带的受体。

The results show:(1) In testis, PNA receptors sites were firstly observed in the cytoplasm and plasma membrane of primary spermatocyte, and greatly increased in the plasma membrane of second spermatocyte, then decreased and were accumulated in the tail of the round spermatid. The same reaction was observed in sperms of testis and spermatheca, which shows stronger reaction in head and weaker in tail. A universal dyeing was observed on the plasma membrane of sertoli cells.

结果表明：(1)在中华蚱蜢的精子发生中，PNA受体是由初级精母细胞合成，然后转移到膜上，在次级精母细胞，由于量的积累其质膜出现了强阳性标记；从早期精子细胞到成熟精子时期糖蛋白的分布发生了明显的修饰变化，这些变化与精子获得与卵子进行识别、粘附、结合等受精能力密切相关：受精囊内与精巢内的精子表面的标记是相同的，说明质膜糖蛋白的修饰作用在精巢内就已完成。

Objective To investigate androgen receptor mRNA expression in severe oligozoospermia or azoospermia patients.

目的研究严重少精子或无精子症患者外周血中雄激素受体mRNA的表达。

In male, three kinds of sex steroid receptors were distributed in the spermatogonia, spermatocytes and spermatids, and the positive reaction was localized in the cytoplasm and nucleus of these spermatogenic cells.

在雄性，3种类固醇激素受体分布在不同发育时期的精原细胞、精母细胞和精子细胞中，受体阳性物定位在胞质和核。

Estrogen can promote the sperm motility in fertile men. The mechanism may be explained by the ［Ca2+］i increase and activation of adenylyl cyclase caused by the integration of estrogen with the membrane receptor on human sperm.

雌激素在体外可增强正常人精子的运动力，该效应可能是通过雌激素与人精子膜上雌激素受体结合后，升高精子胞内Ca2+的浓度以及激活腺苷酸环化酶而实现的。

These studies demonstrate that the more abundant D form interacts with spermatozoa transiently, possibly with a specific receptor on the sperm surface, consistent with a capacitation-suppressing function during sperm transit and storage in the epididymis, and also confirm a tightly bound population of the E form that could act in the female reproductive tract.

研究证明在附睾中运输和储藏期间，大量的D型CRISP-1与精子瞬时的结合与精子的抑制获能功能相关。D型CRISP-1可能与精子表面的受体相结合。同时也证明了E型CRISP-1与精子的紧密地结合模式可能在雌性生殖道中发挥作用

And MIS is also found to bind to specific receptor on the membrane of sperm. Our study showed that viability of fresh human sperm incubated with His6-tagged rMIS (303-376) was higher than in absence of His6-tagged rMIS (303-376) at 5 and 22 hours, indicating MIS affects the motility and viability of sperm by binding of its 74 amino acids segment with the specific receptor on the sperm membrane, most probably YWK-Ⅱprotein.

在我们的实验中，将His〓-tagged rMIS（303-376）与人精子在37℃孵育5和22小时后，分别检查精子的生存情况，发现精子生存力比对照组明显提高，这说明MIS可能是通过其中74个氨基酸片段与精子膜上特异受体结合而对精子发挥作用，而此受体很可能是YWK-Ⅱ蛋白。

These studies demonstrate that the more abundant D form interacts with spermatozoa transiently, possibly with a specific receptor on the sperm surface, consistent with a capacitation-suppressing function during sperm transit and storage in the epididymis, and also confirm a tightly bound population of the E form that could act in the female reproductive tract.

研究证明在附睾中运输和储藏期间，大量的D型CRISP-1与精子瞬时的结合与精子的抑制获能功能相关。D型CRISP-1可能与精子表面的受体相结合。同时也证明了E型CRISP-1与精子的紧密地结合模式可能在雌性生殖道中发挥作用→如果您认为本词条还有待完善，请编辑词条

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。