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生命科学研究科セミナー「Physiological importance of mechanotransduction mediated by Piezo channels」

生命科学研究科セミナー「Physiological importance of mechanotransduction mediated by Piezo channels」

2017.04.10 00:00
2017年4月20日 16:00
片平キャンパス生命科学総合プロジェクト棟 1階103号室(会議室)
細胞動態制御分野 中嶋悠一朗 yuichiro.nakajima.d2*tohoku.ac.jp (*を@に置き換えて下さい)

講師:野々村恵子 氏 スクリプス研究所 Patapoutian研究室 (現職: 基礎生物学研究所 初期発生研究部門 助教)

要旨:
Mechanical stimuli are often sensed by organisms and impact on their behaviors, as exemplified by touch sensation. However, molecular mechanism or physiological importance of mechanotransduction remains obscure in many field. Piezo1/2 are recently identified mechanically activated cation channels. Piezo2 has been shown to function as the key mechanotransducer of touch sensation and proprioception. By analyzing Piezo deficient animals, we had a unique opportunity to clarify previously unclear roles of mechanotransduction in vivo. In this seminar, I’ll introduce series of evidence proving Piezo1/2 as mechanotransducer protein and our latest finding how breathing, during which lungs are exposed to repetitive and wide-ranged mechanical force, is regulated by Piezo2-mediated mechanotransduction.

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参考論文:Nonomura et al., Nature; 541, 176-181, 2017.