| Oxidative stress and mitochondrial dysfunction in type 2 diabetes. | |
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MedLine Citation:
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PMID: 22188447 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Diabetes is a chronic disease and as a consequence of the overproduction of reactive oxygen species (ROS), is related with oxidative stress. There are different sources of ROS, of which mitochondria is the main one. Oxidative stress seems to play an important role in mitochondria- mediated disease processes, though the exact molecular mechanisms responsible remain elusive. There are evidences which supports the idea that impaired mitochondrial function is a cause of the insulin insensitivity in different type of cells that arised as a result of an insufficient supply of energy or defects in the insulin signaling pathway. ROS are generally necessary for the proper functioning of the cell, but excessive ROS production can be harmful, which makes antioxidant defenses essential. Moreover, some substances with antioxidant properties, such as vitamin C or vitamin E, erradicate the oxidative stress associated with diabetes. The results of clinical trials employing anti-oxidative stress reagents in patients with diabetes are contradictory, which may be a result of inadequate study design or selected targets. This review considers the process of diabetes from a mitochondrial perspective, and describes the role of autophagy in the development of diabetes. Furthermore, we discuss the possible beneficial effects of selectively targeting antioxidants to mitochondria as a strategy for modulating mitochondrial function in diabetes. |
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Authors:
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Victor M Victor; Milagros Rocha; Raul Herance; Antonio Hernandez-Mijares |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Current pharmaceutical design Volume: 17 ISSN: 1873-4286 ISO Abbreviation: Curr. Pharm. Des. Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9602487 Medline TA: Curr Pharm Des Country: Netherlands |
Other Details:
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Languages: eng Pagination: 3947-58 Citation Subset: IM |
Affiliation:
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University Hospital Doctor Peset Foundation, Avda Gaspar Aguilar 90, 46017, Valencia, Spain. Victor.Victor@uv.es. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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