| There is no evidence that mitochondria are the main source of reactive oxygen species in mammalian cells. | |
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MedLine Citation:
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PMID: 21303703 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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It is often assumed that mitochondria are the main source of reactive oxygen species (ROS) in mammalian cells, but there is no convincing experimental evidence for this in the literature. What evidence there is suggests mitochondria are a significant source for ROS, which may have physiological and pathological effects. But quantitatively, endoplasmic reticulum and peroxisomes have a greater capacity to produce ROS than mitochondria, at least in liver. In most cells and physiological or pathological conditions there is a lack of evidence for or against mitochondria being the main source of cellular ROS. Mitochondria can rapidly degrade ROS and thus are potential sinks for ROS, but whether mitochondria act as net sources or sinks within cells in particular conditions is unknown. |
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Authors:
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Guy C Brown; Vilmante Borutaite |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-5 |
Journal Detail:
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Title: Mitochondrion Volume: - ISSN: 1872-8278 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-2-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100968751 Medline TA: Mitochondrion Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2010. Published by Elsevier B.V. |
Affiliation:
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Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 1QW, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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