{"title":"Does a transmembrane sodium gradient control membrane potential in mammalian mitochondria?","authors":"David G. Nicholls","doi":"10.1016/j.ceca.2024.102962","DOIUrl":null,"url":null,"abstract":"<div><div>In a recent publication, Hernansanz-Agusti̒n et al. propose that a sodium gradient across the inner mitochondrial membrane, generated by a Na<sup>+</sup>/H<sup>+</sup> activity integral to Complex I can account for half of the mitochondrial membrane potential. This conflicts with conventional electrophysiological and chemiosmotic understanding.</div></div>","PeriodicalId":9678,"journal":{"name":"Cell calcium","volume":"124 ","pages":"Article 102962"},"PeriodicalIF":4.3000,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Cell calcium","FirstCategoryId":"99","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0143416024001209","RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CELL BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
In a recent publication, Hernansanz-Agusti̒n et al. propose that a sodium gradient across the inner mitochondrial membrane, generated by a Na+/H+ activity integral to Complex I can account for half of the mitochondrial membrane potential. This conflicts with conventional electrophysiological and chemiosmotic understanding.
期刊介绍：
Cell Calcium covers the field of calcium metabolism and signalling in living systems, from aspects including inorganic chemistry, physiology, molecular biology and pathology. Topic themes include:
Roles of calcium in regulating cellular events such as apoptosis, necrosis and organelle remodelling
Influence of calcium regulation in affecting health and disease outcomes
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