Clarification of properties of chloride channels, SLC26A7 and 26A9, involved in novel cytoprotective mechanism
Clarification of properties of chloride channels, SLC26A7 and 26A9, involved in novel cytoprotective mechanism
批准号:
21390056
负责人:
SAKAI Hideki
金额:
$7.57万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011
中文摘要
胃壁细胞分泌强酸,但细胞不被酸消化。因此,认为壁细胞具有复杂的细胞保护机制。到目前为止,我们发现细胞保护性Cl^-通道的功能在这一机制中是必不可少的。在本研究中,我们试图阐明两种Cl^-通道SLC26A7和SLC26A9在壁细胞中的生理功能。我们发现SLC26A7是维持细胞保护Cl^-通道功能的必需分子,SLC26A9在酸性pH下被激活,在高渗透压下被抑制
英文摘要
The gastric parietal cell secretes strong acid, but the cell is not digested by acid. Therefore, it is thought that the parietal cell possesses the sophisticated cytoprotective mechanism. So far, we found that function of a cytoprotective Cl^-channel is essential for the mechanism. In this study, we tried to clarify physiological function of two kinds of Cl^-channels, SLC26A7 and SLC26A9, in the parietal cell. We found that SLC26A7 is an essential molecule for maintaining the function of cytoprotective Cl^-channel, and that SLC26A9 is activated by acidic pH and inhibited by hyperosmolality
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Aquaporin-5-mediated cancer cell differentiation in human gastric adenocarcinoma
水通道蛋白 5 介导的人胃腺癌癌细胞分化
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[A. Yoshikawa, et al., Takashi Iida, 酒井秀紀]
通讯作者:
酒井秀紀
Gastric proton pump activity is regulated by K^+-Cl^- cotransporter-4 in the apical canalicular membrane of parietal cells
胃质子泵活性由壁细胞顶小管膜中的 K^-Cl^- 协同转运蛋白-4 调节
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[A. Yoshikawa, et al., Takashi Iida, 酒井秀紀, 飯田崇史, 富沢直也, 吉河朗, 富沢真也, 藤井拓人, 吉河朗, 初田真知子, 藤田恭輔, 富沢真也, 藤井拓人]
通讯作者:
藤井拓人
DOI:
10.1007/s00424-011-0934-5
发表时间:
2011-05-01
期刊:
PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY
影响因子:
4.5
作者:
[Shimizu, Takahiro, Higuchi, Taiga, Sakai, Hideki]
通讯作者:
Sakai, Hideki
ヒト胃粘膜における分子シャペロンERp57の発現解析
分子伴侣ERp57在人胃黏膜中的表达分析
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
[Katoh H, Shibata S, Fukuda K, Sato M, Satoh E, Nagoshi N, Minematsu T, Matsuzaki Y, Akazawa C, Toyama Y, Nakamura M, Okano H, 辻比呂嗣]
通讯作者:
辻比呂嗣
Cl^-transporting mechanisms in gastric acid secretion
胃酸分泌中的 Cl^ 转运机制
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[上山修平, ほか, Sakai H.]
通讯作者:
Sakai H.
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