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How are mammalian methionine adenosyltransferases regulated in the liver? A focus on redox stress

AuthorsPajares, María A. ; Álvarez, Luis; Pérez-Sala, Dolores
KeywordsMethionine adenosyltransferase
Redox regulation
Association state
Epigenetic modifications
Nuclear localization
Subcellular distribution
Issue Date2013
CitationFEBS Letters 587(12): 1711-1716 (2013)
AbstractS-adenosylmethionine synthesis is a key process for cell function, and needs to be regulated at multiple levels. In recent years, advances in the knowledge of methionine adenosyltransferases have been significant. The discovery of nuclear localization of these enzymes suggests their transport to provide the methyl donor, S-adenosylmethionine, for DNA and histone methyltransferases in epigenetic modifications, opening new regulatory possibilities. Previous hypotheses considered only the cytoplasmic regulation of these enzymes, hence the need of an update to integrate recent findings. Here, we focus mainly on the liver and redox mechanisms, and their putative effects on localization and interactions of methionine adenosyltransferases.
Publisher version (URL)http://dx.doi.org/10.1016/j.febslet.2013.04.034
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