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Published on: February 7, 2018
A phytochemical approach to experimental metabolic syndrome-associated renal damage and oxidative stress
Francesco Marotta1, Archana Kumari, Roberto Catanzaro
1ReGenera Res Group for Aging Intervention, Milan, Italy. fmarchimede@libero.it
Abstract:
The aim of this study was to evaluate the effect of DTS-phytocompound on oxidant-antioxidant balance and protein damage in the kidneys of rats administered high doses of fructose. Adult male Wistar rats were divided into four groups. Group A received a control diet, whereas groups B and C were fed a high-fructose diet (60 g/100 g), the latter with additional DTS (50 mg/kg per day) for 60 days. Lipo- and nitro-peroxidation together with α-smooth muscle actin (α-SMA) expression in the glomerular and interstitial tissue of the kidneys were measured after 60 days. Fructose-fed rats showed significantly higher lipoperoxidation, 2,4-dinitrophenol and 3-nitrotyrosine protein adducts, and upregulation of α-SMA in the kidney. DTS significantly decreased such redox unbalance in renal tissue, while partially downregulating α-SMA (p<0.01). These data suggest the potential clinical benefit of DTS in protecting the kidneys from metabolic syndrome-associated changes; gender-related analysis is under way.
Insights
This study shows that DTS-phytocompound protects rat kidneys from high-fructose damage by reducing oxidative stress and protein damage. DTS helps restore oxidant-antioxidant balance and lowers markers of kidney injury.
Area of Science:
- Nephrology
- Metabolic Syndrome Research
- Pharmacology
Background:
- High fructose intake is linked to kidney damage and metabolic syndrome.
- Oxidative stress and protein damage are key mechanisms in fructose-induced nephropathy.
- Alpha-smooth muscle actin (α-SMA) is a marker of kidney injury.
Purpose of the Study:
- To investigate the protective effects of DTS-phytocompound on kidney function in rats fed a high-fructose diet.
- To evaluate DTS's impact on oxidant-antioxidant balance and protein damage in renal tissue.
- To assess changes in α-SMA expression as an indicator of kidney injury.
Main Methods:
- Adult male Wistar rats were divided into control and high-fructose diet groups.
- One high-fructose group received DTS-phytocompound (50 mg/kg/day) for 60 days.
- Kidney tissues were analyzed for lipoperoxidation, nitrotyrosine adducts, and α-SMA expression.
Main Results:
- High-fructose diet significantly increased lipoperoxidation, nitrotyrosine adducts, and α-SMA expression in rat kidneys.
- DTS-phytocompound administration significantly reduced these markers of oxidative stress and kidney damage.
- DTS partially downregulated α-SMA expression (p<0.01), indicating a protective effect.
Conclusions:
- DTS-phytocompound demonstrates potential in protecting kidneys against high-fructose-induced metabolic changes.
- DTS may mitigate kidney damage by restoring oxidant-antioxidant balance and reducing protein adducts.
- Further gender-specific studies are warranted to fully understand DTS's clinical benefits.
