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Lipoic acid (LA), also known as α-lipoic acid, alpha-lipoic acid (ALA) and thioctic acid, is an organosulfur compound derived from caprylic acid (octanoic acid). [3] ALA, which is made in animals normally, is essential for aerobic metabolism. It is also available as a dietary supplement or pharmaceutical drug in some countries.
Glutathionylation "protects" the lipoic acid of the E2 domain from undergoing oxidative damage, which helps spare the Oxoglutarate dehydrogenase complex from oxidative stress. Oxoglutarate dehydrogenase activity is turned off in the presence of free radicals in order to protect the enzyme from damage.
It localizes in mitochondrion and plays an important role in alpha-(+)-lipoic acid synthesis. It may also function in the sulfur insertion chemistry in lipoate biosynthesis. Alternative splicing occurs at this locus and two transcript variants encoding distinct isoforms have been identified.
Oxidative stress mechanisms in tissue injury. Free radical toxicity induced by xenobiotics and the subsequent detoxification by cellular enzymes (termination).. Oxidative stress reflects an imbalance between the systemic manifestation of reactive oxygen species and a biological system's ability to readily detoxify the reactive intermediates or to repair the resulting damage. [1]
Aldixyl®: In 2016, based on studies developed in recent years in the field of adrenoleukodystrophy and adrenomyelouropathy, a mixture was developed that adds to GTO, GTE and CLA, a mixture of powerful antioxidants at high dosages containing alpha lipoic acid (ALA), reduced L- glutathione and Vitamin E (α- tocopherol).
Activation of the TRPA-1 receptor by lipoic acid or podocarpic acid has been shown to reduce the levels of AGES by enhancing the detoxification of methylglyoxal, a major precursor of several AGEs. [38] Studies in rats and mice have found that natural phenols such as resveratrol and curcumin can prevent the negative effects of the AGEs. [46] [47]