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Isolation, characterization and expression analysis of TRPV4 in half-smooth tongue sole Cynoglossus semilaevis

文献类型: 外文期刊

作者: Shang, Xiaomei 1 ; Ma, Aijun 1 ; Wang, Xin'an 1 ; Xia, Dandan 1 ; Zhuang, Jiao 1 ;

作者机构: 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China

2.Shandong Key Lab Marine Fisheries Biotechnol & Ge, Qingdao 266071, Peoples R China

3.Qingdao Key Lab Marine Fish Breeding & Biotechnol, Qingdao 266071, Peoples R China

4.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China

5.Tianjin Univ Sci & Technol, Coll Marine & Environm Sci, Tianjin 300457, Peoples R China

关键词: transient receptor potential vanilloid 4 (TRPV4); Cynoglossus semilaevis; gene expression; free neuromasts; in situ hybridization

期刊名称:JOURNAL OF OCEANOLOGY AND LIMNOLOGY ( 影响因子:1.265; 五年影响因子:1.276 )

ISSN: 2096-5508

年卷期: 2020 年 38 卷 1 期

页码:

收录情况: SCI

摘要: The transient receptor potential vanilloid 4 (TRPV4), another Ca2+ entry channel, belongs to the vanilloid subfamily and responds to a number of different physical and chemical stimuli and exists widely in mammals. However, our understanding of the TRPV4 in fish remains poor. Therefore, we studied the TRPV4 gene from Cynoglossus semilaevis, named CsTRPV4 that encodes a putative protein of 870 amino acids common in structure and characteristic of mammalian TRPV4, including the domains of ANK repeats, six TM, TRP domain, and CaMBD. The CsTRPV4 was expressed ubiquitously in examined tissues: higher expression in the heart, spleen, testis, and eye, but lower expression in kidney and liver. Surprisingly, the expression of CsTRPV4 in lateral line was significantly higher than in many other tissues as the CsTRPV4 was expressed significantly in the free neuromasts. In addition, CsTRPV4 in the free neuromast from the larval fish was significantly expressed in the hair cells of the free neuromasts. Therefore, the free neuromasts can act as a mechano-sensor to the mechanical stimulation in molecular level in C. semilaevis, which lays a foundation for further study of the functions of the free neuromasts.

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