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Analysis of cortical actin dynamics and its regulatory proteins in living cells / 生細胞における皮層アクチンフィラメントの動態と制御機構の解析Zhang, Yanshu 23 March 2021 (has links)
京都大学 / 新制・課程博士 / 博士(生命科学) / 甲第23334号 / 生博第452号 / 新制||生||60(附属図書館) / 京都大学大学院生命科学研究科統合生命科学専攻 / (主査)教授 永尾 雅哉, 教授 渡邊 直樹, 教授 安達 泰治 / 学位規則第4条第1項該当 / Doctor of Philosophy in Life Sciences / Kyoto University / DFAM
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On the mechanisms governing plasma membrane organization - a STED-FCS investigationMachado Andrade, Débora 06 January 2014 (has links)
No description available.
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Jaderný myosin 1 a jeho role v regulaci tenze cytoplazmatické membrány / Nuclear myosin 1 and its role in the regulation of plasma membrane tensionPetr, Martin January 2014 (has links)
Myosin 1c (Myo1c) is a molecular motor involved in regulation of tension-gated ion channels, exocytosis, endocytosis, motility and other membrane-related events. Moreover, it acts as a dynamic linker between the cell membrane and cortical actin network, contributing to the maintenance of plasma membrane tension. In contrast, nuclear myosin 1 (NM1), an isoform of Myo1c, has been described only in the nucleus where it participates in various nuclear processes, including transcription or chromatin remodeling. However, although traditionally regarded as exclusively cytoplasmic or nuclear, all myosin 1c isoforms participate in nuclear functions and they are present in the cytoplasm as well. The main focus of this study was to characterize the functional significance of NM1 in the cytoplasm. We have found that NM1 localizes to plasma membrane and shows a uniform punctuated distribution with a high concentration at the cell periphery. Moreover, atomic force microscopy measurements of mouse NM1 KO fibroblasts revealed a significant increase in an overall plasma membrane elasticity in comparison to WT cells, indicating a disruption in the regulation of plasma membrane tension caused by the loss of NM1. Since a higher membrane elasticity and deformability is a characteristic marker of cancer cells,...
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