Journal
MOLECULAR BIOLOGY REPORTS
Volume 48, Issue 9, Pages 6539-6550Publisher
SPRINGER
DOI: 10.1007/s11033-021-06643-z
Keywords
Lipoic acid; Metabolism of lipoic acid; Properties of lipoic acid; Neuroprotective derivatives
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This article discusses the biosynthetic pathway, transfer, biotransformation, and activity of α-lipoic acid, as well as the proteins involved in these processes. The safety, toxicological profile, stability issues, antioxidant and non-antioxidant characteristics, and multiple pharmacological actions of lipoic acid are analyzed.
Lipoic acid (LA) is globally known and its supplements are widely used. Despite its importance for the organism it is not considered a vitamin any more. The multiple metabolic forms and the differences in kinetics (absorption, distribution and excretion), as well as the actions of its enantiomers are analysed in the present article together with its biosynthetic path. The proteins involved in the transfer, biotransformation and activity of LA are mentioned. Furthermore, the safety and the toxicological profile of the compound are commented, together with its stability issues. Mechanisms of lipoic acid intervention in the human body are analysed considering the antioxidant and non-antioxidant characteristics of the compound. The chelating properties, the regenerative ability of other antioxidants, the co-enzyme activity and the signal transduction by the implication in various pathways will be discussed in order to be elucidated the pleiotropic effects of LA. Finally, lipoic acid integrating analogues are mentioned under the scope of the multiple pharmacological actions they acquire towards degenerative conditions. [GRAPHICS]
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