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力敏感离子通道Piezo1分布与活性的力学调控及其与细胞转化态的关系
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作者 姚明曦 Ajay Tijore +4 位作者 Charles D Cox Anushya Hariharan Guy Tran Van Nhieu Boris Martinac Michael Sheetz 《医用生物力学》 CAS CSCD 北大核心 2021年第S01期88-88,共1页
目的近十年来新发现广泛表达于多种组织细胞中的力敏感钙离子通道Piezo1在触觉/听觉感受,血压控制,免疫激活等生理过程中起到关键的力学感知作用。经典模型认为,Piezo1在细胞膜上扩散分布并在细胞膜局部表面张力起伏的作用下被激活,但... 目的近十年来新发现广泛表达于多种组织细胞中的力敏感钙离子通道Piezo1在触觉/听觉感受,血压控制,免疫激活等生理过程中起到关键的力学感知作用。经典模型认为,Piezo1在细胞膜上扩散分布并在细胞膜局部表面张力起伏的作用下被激活,但其在细胞复杂生理过程中的调控还有很多未知问题尚待回答。方法通过一系列显微成像方法研究了Piezo1的时空分布与活性在不同种类细胞中的力学调控。 展开更多
关键词 钙离子通道 细胞转化 力学调控 免疫激活 血压控制 组织细胞 经典模型 未知问题
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"Smart fats", healthy brain and function of lipid-sensing NMDA receptors
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作者 Anna Kloda Boris Martinac 《Advances in Biological Chemistry》 2012年第2期106-114,共9页
NMDA receptor channels play a significant role in learning and memory and their dysfunction can cause neuronal cell death leading to dementia. Research had shown that lipids change the risk for dementia, especially so... NMDA receptor channels play a significant role in learning and memory and their dysfunction can cause neuronal cell death leading to dementia. Research had shown that lipids change the risk for dementia, especially some omega-3 lipids appear to lower Alz-heimer’s risk, yet only limited research exists on the modulation of NMDA receptor channels by lipids. Here we review recent literature concerning molecular determinants that influence the NMDA receptor channel gating via membrane lipids and fatty acids with profound significance for understanding how altered NMDA signalling leads to neuronal cell death linked to age-related dementia’s. Future discovery of lipid-like modulators of NMDA receptor function offer the potential for the development of new bioceu-ticals and affordable nutritional supplements to combat neuronal degeneration as well as to promote well being and healthy aging. 展开更多
关键词 NMDA Receptors LIPID BILAYER Membrane PHOSPHOLIPIDS Fatty Acids SYNAPTIC Plasticity Dementia Alzheimer’s Disease
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VPOT:A Customizable Variant Prioritization Ordering Tool for Annotated Variants 被引量:1
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作者 Eddie Ip Gavin Chapman +2 位作者 David Winlaw Sally LDunwoodie Eleni Giannoulatou 《Genomics, Proteomics & Bioinformatics》 SCIE CAS CSCD 2019年第5期540-545,共6页
Next-generation sequencing(NGS) technologies generate thousands to millions of genetic variants per sample.Identification of potential disease-causal variants is labor intensive as it relies on filtering using various... Next-generation sequencing(NGS) technologies generate thousands to millions of genetic variants per sample.Identification of potential disease-causal variants is labor intensive as it relies on filtering using various annotation metrics and consideration of multiple pathogenicity prediction scores.We have developed VPOT(variant prioritization ordering tool),a python-based command line tool that allows researchers to create a single fully customizable pathogenicity ranking score from any number of annotation values,each with a user-defined weighting.The use of VPOT can be informative when analyzing entire cohorts,as variants in a cohort can be prioritized.VPOT also provides additional functions to allow variant filtering based on a candidate gene list or by affected status in a family pedigree.VPOT outperforms similar tools in terms of efficacy,flexibility,scalability,and computational performance.VPOT is freely available for public use at Git Hub(https://github.com/VCCRI/VPOT/).Documentation for installation along with a user tutorial,a default parameter file,and test data are provided. 展开更多
关键词 Next-generation sequencing PATHOGENICITY predictions VARIANT PRIORITIZATION CUSTOMIZABLE ranking Genomic ANNOTATION
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