Antioxidant Properties of Alpha-Lipoic (Thioctic) Acid Treatment on Renal and Heart Parenchyma in a Rat Model of Hypertension.
alpha-lipoic acid
heart
hypertension
kidney
parenchyma
Journal
Antioxidants (Basel, Switzerland)
ISSN: 2076-3921
Titre abrégé: Antioxidants (Basel)
Pays: Switzerland
ID NLM: 101668981
Informations de publication
Date de publication:
23 Jun 2021
23 Jun 2021
Historique:
received:
27
04
2021
revised:
16
06
2021
accepted:
17
06
2021
entrez:
2
7
2021
pubmed:
3
7
2021
medline:
3
7
2021
Statut:
epublish
Résumé
Renal and cardiac impairments are frequent events in the presence of hypertension. Organ damage is mainly linked to oxidative stress due to high blood pressure and may be reduced by antioxidant supplementation. Alpha-lipoic acid (ALA) is one of most effective antioxidants. It is widely used as a nutritional supplement in a racemic mixture (+/-), even though the (+)-enantiomer is biologically active. This study was designed to investigate the effect of treatment with (+/-)-ALA and its enantiomers on renal and heart parenchyma in spontaneously hypertensive rats (SHR), using immunochemical and immunohistochemical techniques. The results confirmed that the oxidative mechanisms of organ alterations, due to hypertension, and characterized by glomerular and tubular lesions, left ventricular hypertrophy, and fibrosis but not by apoptosis were accompanied by proteins' and nucleic acids' oxidation. We found greater effectiveness of (+)-ALA compared to (+/-)-ALA in reducing oxidative stress, cardiac and renal damages in SHR. To conclude, these data propose (+)-ALA as one of the more appropriate antioxidant molecules to prevent renal and cardiac alterations associated with hypertension.
Identifiants
pubmed: 34201726
pii: antiox10071006
doi: 10.3390/antiox10071006
pmc: PMC8300705
pii:
doi:
Types de publication
Journal Article
Langues
eng
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