4.7 Article

Capybara Oil Improves Renal Pathophysiology and Inflammation in Obese Mice

Journal

NUTRIENTS
Volume 15, Issue 13, Pages -

Publisher

MDPI
DOI: 10.3390/nu15132925

Keywords

obesity; kidney injury; capybara oil; omega-3; inflammation; fibrosis

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In this study, treatment with capybara oil (CO) was found to improve lipid profile and reduce blood pressure levels in obese mice. It also showed positive effects on renal histopathology, reducing inflammation, oxidative stress, and fibrosis. However, improvement in renal function was not significant.
Obesity is an inflammatory disease associated with secondary diseases such as kidney disease, which can cause lipotoxicity, inflammation and loss of organ function. Polyunsaturated fatty acids act in the production of lipid mediators and have anti-inflammatory characteristics. In this work, the objective was to evaluate renal histopathology in obese mice and the effects of treatment with capybara oil (CO) (5000 mg/kg/day for 4 weeks). Parameters such as body mass, lipid profile, systolic blood pressure, urinary creatinine and protein excretion, structure and ultrastructure of the renal cortex, fibrosis, tissue inflammation and oxidative stress were analyzed. CO treatment in obese mice showed improvement in the lipid profile and reduction in systolic blood pressure levels, in addition to beneficial remodeling of the renal cortex. Our data demonstrated that CO decreased inflammation, oxidative stress and renal fibrosis, as evidenced by quantifying the expression of TNF-& alpha;, IL-10, CAT, SOD, & alpha;-SMA and TGF-& beta;. Although treatment with CO did not show improvement in renal function, ultrastructural analysis showed that the treatment was effective in restoring podocytes and pedicels, with restructuring of the glomerular filtration barrier. These results demonstrate, for the first time, that treatment with CO is effective in reducing kidney damage, being considered a promising treatment for obesity.

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