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Class II PI3Ks α and β Are Required for Rho-Dependent Uterine Smooth Muscle Contraction and Parturition in Mice
https://doi.org/10.24517/00053884
https://doi.org/10.24517/000538846b771b97-50d9-45aa-8a1d-6601041018b2
名前 / ファイル | ライセンス | アクション |
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ME-PR-TAKUWA-Y-235.pdf (15.4 MB)
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ME-PR-TAKUWA-Y-235-supplementary figs.1-3.pdf (386.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-04-25 | |||||
タイトル | ||||||
タイトル | Class II PI3Ks α and β Are Required for Rho-Dependent Uterine Smooth Muscle Contraction and Parturition in Mice | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00053884 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Sarker, Md Azadul Kabir
× Sarker, Md Azadul Kabir× Aki, Sho× Yoshioka, Kazuaki× Kuno, Kouji× Okamoto, Yasuo× Ishimaru, Kazuhiro× Takuwa, Noriko× Takuwa, Yoh |
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著者別表示 |
安藝, 翔
× 安藝, 翔× 吉岡, 和晃× 多久和, 典子× 多久和, 陽 |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学医薬保健研究域医学系 | |||||
書誌情報 |
Endocrinology 巻 160, 号 1, p. 235-248, 発行日 2019-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0013-7227 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00635074 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1210/en.2018-00756 | |||||
出版者 | ||||||
出版者 | Endocrine Society / Oxford University Press | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Class II phosphoinositide 3-kinases (PI3Ks), PI3K-C2α and PI3K-C2β, are highly homologous and distinct from class I and class III PI3Ks in catalytic products and domain structures. In contrast to class I and class III PI3Ks, physiological roles of PI3K-C2α and PI3K-C2β are not fully understood. Because we previously demonstrated that PI3K-C2α is involved in vascular smooth muscle contraction, we studied the phenotypes of smooth muscle-specific knockout (KO) mice of PI3K-C2α and PI3K-C2β. The pup numbers born from single PI3K-C2α-KO and single PI3K-C2β-KO mothers were similar to those of control mothers, but those from double KO (DKO) mothers were smaller compared with control mice. However, the number of intrauterine fetuses in pregnant DKO mothers was similar to that in control mice. Both spontaneous and oxytocin-induced contraction of isolated uterine smooth muscle (USM) strips was diminished in DKO mice but not in either of the single KO mice, compared with control mice. Furthermore, contraction of USM of DKO mice was less sensitive to a Rho kinase inhibitor. Mechanistically, the extent of oxytocin-induced myosin light chain phosphorylation was greatly reduced in USM from DKO mice compared with control mice. The oxytocin-induced rise in the intracellular Ca2+ concentration in USM was similar in DKO and control mice. However, Rho activation in the intracellular compartment was substantially attenuated in DKO mice compared with control mice, as evaluated by fluorescence resonance energy transfer imaging technique. These data indicate that both PI3K-C2α and PI3K-C2β are required for normal USM contraction and parturition mainly through their involvement in Rho activation. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Embargo Period 12 months | |||||
権利 | ||||||
権利情報 | Copyright © Endocrine Society / Oxford University Press | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://academic.oup.com/endo/article/160/1/235/5193468 | |||||
関連名称 | https://academic.oup.com/endo/article/160/1/235/5193468 |