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Diabetes, oxidative stress, nitric oxide and mitochondria function
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology, Integrativ Fysiologi. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology, Integrativ Fysiologi. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology, Integrativ Fysiologi. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology.
2009 (English)In: Current diabetes reviews, ISSN 1875-6417, Vol. 5, no 2, 120-144 p.Article in journal (Refereed) Published
Abstract [en]

The role of altered mitochondria function has recently emerged as an important mechanism for the development of diabetic complications. Altered mitochondria function has also been implicated in the ageing process, defective insulin secretion, hypertension, arteriosclerosis, ischemia-reperfusion injury and apoptosis. Normally, the mitochondria are associated with ATP production using primarily pyruvate as the substrate, but recent reports indicate that tissue specific preferences exist. Also, the mitochondria are a substantial source of superoxide production, preferentially during states of elevated intracellular glucose concentrations. The mitochondria function is regulated by several factors including nitric oxide, oxidative stress, mammalian target of rapamycin, ADP and P(i) availability, which result in a complex regulation of ATP production and oxygen consumption, but also superoxide generation. These factors seem to be tissue specific, which warrants a more diverse mechanistic model applying to that specific tissue or cell type. This review presents the basic functions of the mitochondria and focuses on the complex interplay between oxidative stress, nitric oxide and uncoupling proteins in regulating mitochondria function with special focus on diabetes-induced alterations occurring on the mitochondria level.

Place, publisher, year, edition, pages
2009. Vol. 5, no 2, 120-144 p.
Keyword [en]
Diabetes, mitochondria, nitric oxide, oxygen, uncoupling proteins, oxidative stress
National Category
Endocrinology and Diabetes
Identifiers
URN: urn:nbn:se:uu:diva-119589PubMedID: 19442097OAI: oai:DiVA.org:uu-119589DiVA: diva2:300520
Available from: 2010-02-26 Created: 2010-02-26 Last updated: 2010-11-18Bibliographically approved

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