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Molecules 2009, 14(1), 329-351; doi:10.3390/molecules14010329

Vitamin B6: A Long Known Compound of Surprising Complexity

1 School of Biological Sciences, Washington State University, Pullman, WA, USA 2 Angewandte Genetik, Freie Universität Berlin, 14195 Berlin, Germany These authors contributed equally to this work
* Author to whom correspondence should be addressed.
Received: 17 December 2008 / Revised: 7 January 2009 / Accepted: 9 January 2009 / Published: 12 January 2009
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In recent years vitamin B6 has become a focus of research describing the compound’s critical function in cellular metabolism and stress response. For many years the sole function of vitamin B6 was considered to be that of an enzymatic cofactor. However, recently it became clear that it is also a potent antioxidant that effectively quenches reactive oxygen species and is thus of high importance for cellular well-being. In view of the recent findings, the current review takes a look back and summarizes the discovery of vitamin B6 and the elucidation of its structure and biosynthetic pathways. It provides a detailed overview on vitamin B6 both as a cofactor and a protective compound. Besides these general characteristics of the vitamin, the review also outlines the current literature on vitamin B6 derivatives and elaborates on recent findings that provide new insights into transport and catabolism of the compound and on its impact on human health.
Keywords: Pyridoxal phosphate; Vitamin B6; Oxidative stress; Derivatives; Transporter Pyridoxal phosphate; Vitamin B6; Oxidative stress; Derivatives; Transporter
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Mooney, S.; Leuendorf, J.-E.; Hendrickson, C.; Hellmann, H. Vitamin B6: A Long Known Compound of Surprising Complexity. Molecules 2009, 14, 329-351.

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