Odorant and Taste Receptors in Sperm Chemotaxis and Cryopreservation: Roles and Implications in Sperm Capacitation, Motility and Fertility.

Odorant and Taste Receptors in Sperm Chemotaxis and Cryopreservation: Roles and Implications in Sperm Capacitation, Motility and Fertility.
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精子趋化和冷冻保存中的气味和味觉受体:在精子获能、活力和生育能力中的作用和影响

DOI:
10.3390/genes12040488
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发表时间:
2021-03-27
期刊:
影响因子:
3.5
通讯作者:
Zeng C
Zeng C
中科院分区:
生物学3区
文献类型:
--
作者:
Ali MA;Wang Y;Qin Z;Yuan X;Zhang Y;Zeng C

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精子趋化性是精子向卵母细胞的定向运动,与精子的获能、运动和生育力密切相关。然而,精子趋化性的分子机制尚不清楚。生殖气味和味觉受体属于G蛋白偶联受体(GPCR)超家族,可引起精子获能和顶体反应所必需的细胞内Ca ~(2+)浓度升高,并通过激活Ca ~(2+)依赖的Cl ~(4+)通道,导致精子超极化,提高精子活力。近年来,嗅觉信号转导通路中的气味受体(ORs)被认为与精子解冻后的活力、冷冻耐受性或冷冻能力以及冷冻获能样变化有关。研究气味和味觉受体(TRs)的作用,对于理解精子的抗冻性或可冻性机制,提高解冻后精子的活力和生育力具有重要意义。本文就气味和味觉受体在精子趋化性和解冻后精子质量中的作用、作用方式、影响等方面进行综述。
Sperm chemotaxis, which guide sperm toward oocyte, is tightly associated with sperm capacitation, motility, and fertility. However, the molecular mechanism of sperm chemotaxis is not known. Reproductive odorant and taste receptors, belong to G-protein-coupled receptors (GPCR) super-family, cause an increase in intracellular Ca2+ concentration which is pre-requisite for sperm capacitation and acrosomal reaction, and result in sperm hyperpolarization and increase motility through activation of Ca2+-dependent Cl¯ channels. Recently, odorant receptors (ORs) in olfactory transduction pathway were thought to be associated with post-thaw sperm motility, freeze tolerance or freezability and cryo-capacitation-like change during cryopreservation. Investigation of the roles of odorant and taste receptors (TRs) is important for our understanding of the freeze tolerance or freezability mechanism and improve the motility and fertility of post-thaw sperm. Here, we reviewed the roles, mode of action, impact of odorant and taste receptors on sperm chemotaxis and post-thaw sperm quality.
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