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Rev Invest Clin. 2005 Sep-Oct;57(5):716-24.

[Effect of biotin upon gene expression and metabolism].

[Article in Spanish]

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Unidad de Genética de la Nutrición, Instituto Nacional de Pediatría, México.


During the last few decades, an increasing number of vitamin-mediated effects has been discovered at the level of gene expression in addition to their well-known roles as substrates and cofactors; the best recognized examples are the lipophilic vitamins A and D. Although little is known about water-soluble vitamins as genetic modulators, there are increasing examples of their effect on gene expression. Biotin is a hydro soluble vitamin that acts as a prosthetic group of carboxylases. Besides its role as carboxylase cofactor, biotin affects several systemic functions such as development, immunity and metabolism. In recent years, significant progress has been made in the identification of genes that are affected by biotin at the transcriptional and post-transcriptional levels as well as in the elucidation of mechanisms that mediate the effects of biotin on the gene expression. These studies bring new insights into biotin mediated gene expression and will lead to a better under-standing of biotin roles in the metabolism and in systemic functions.

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