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Abstract Title:

The antioxidant alpha lipoic acid attenuates intermittent hypoxia-related renal injury in a mouse model of sleep apnea.

Abstract Source:

Sleep. 2019 Mar 18. Epub 2019 Mar 18. PMID: 30880336

Abstract Author(s):

Bisher Abuyassin, Mohammad Badran, Najib T Ayas, Ismail Laher

Article Affiliation:

Bisher Abuyassin

Abstract:

STUDY OBJECTIVES: Oxidative stress and inflammation are proposed to mediate kidney diseases that occur in patients with obstructive sleep apnea (OSA). We examined the hypothesis that alpha-lipoic acid (LA) prevents renal injury in a mouse model of sleep apnea.

METHODS: Twenty male mice received either intermittent hypoxia (IH) or intermittent air (IA) with or without a LA-enriched diet for 60 days. Plasma and urine samples were collected at the end of study, and kidneys were harvested for protein analysis.

RESULTS: Animals in the IH+LA group had lower levels (p<0.05) of plasma oxidative stress (8-isoprostane) and inflammation (TNF-α). Renal oxidative stress was also reduced in mice in the IH+LA (p<0.05) compared to IH-exposed mice that were fed regular diet. Renal cellular apoptosis and tubular injury was reduced in the IH+LA group. Treatment with LA attenuated IH-induced glomerular hypertrophy and increased albuminuria.

CONCLUSIONS: Treatment with LA prevents IH-induced renal injury in mice. LA may be a potential therapy for reducing renal dysfunction in patients with OSA. LA can also increase oxidative stress in healthy animals.

Study Type : Animal Study

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