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Balasubramaniam 2020 J Transl Genet Genom

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Balasubramaniam S, Yaplito-Lee J (2020) Riboflavin metabolism: role in mitochondrial function. J Transl Genet Genom 4:285-306.

» J Transl Genet Genom Open Access

Balasubramaniam S, Yaplito-Lee J (2020) J Transl Genet Genom

Abstract: Riboflavin, known as vitamin B2, a water-soluble vitamin, is an essential nutrient in vertebrates, hence adequate dietary intake is imperative. Riboflavin plays a role in a variety of metabolic pathways, serving primarily as an integral component of its crucial biologically active forms, the flavocoenzymes flavin adenine dinucleotide and flavin mononucleotide. These flavocoenzymes ensure the functionality of numerous flavoproteins including dehydrogenases, oxidases, monooxygenases, and reductases, which play pivotal roles in mitochondrial electron transport chain, β-oxidation of fatty acids, redox homeostasis, citric acid cycle, branched-chain amino acid catabolism, chromatin remodeling, DNA repair, protein folding, and apoptosis. Unsurprisingly, impairment of flavin homeostasis in humans has been linked to various diseases including neuromuscular and neurological disorders, abnormal fetal development, and cardiovascular diseases. This review presents an overview of riboflavin metabolism, its role in mitochondrial function, primary and secondary flavocoenzyme defects associated with mitochondrial dysfunction, and the role of riboflavin supplementation in these conditions.

Bioblast editor: Gnaiger E

Balasubramaniam 2020 J Transl Genet Genom CORRECTION.png

Correction: FADH2 and Complex II

Ambiguity alert.png
FADH2 is shown as the substrate feeding electrons into Complex II (CII). This is wrong and requires correction - for details see Gnaiger (2024).
Gnaiger E (2024) Complex II ambiguities ― FADH2 in the electron transfer system. J Biol Chem 300:105470. - »Bioblast link«