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Mitochondrial ion transport pathways: Role in metabolic diseases

2010; Elsevier BV; Volume: 1797; Issue: 6-7 Linguagem: Inglês

10.1016/j.bbabio.2009.12.017

1879-2650

Ariel R. Cardoso, Bruno B. Queliconi, Alicia J. Kowaltowski,

Metabolomics and Mass Spectrometry Studies

Mitochondria are the central coordinators of energy metabolism and alterations in their function and number have long been associated with metabolic disorders such as obesity, diabetes and hyperlipidemias. Since oxidative phosphorylation requires an electrochemical gradient across the inner mitochondrial membrane, ion channels in this membrane certainly must play an important role in the regulation of energy metabolism. However, in many experimental settings, the relationship between the activity of mitochondrial ion transport and metabolic disorders is still poorly understood. This review briefly summarizes some aspects of mitochondrial H+ transport (promoted by uncoupling proteins, UCPs), Ca2+ and K+ uniporters which may be determinant in metabolic disorders.