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Diosgenin Modulates Oxidative Stress and Inflammation in High-Fat Diet-Induced Obesity in Mice
Sahar Khateeb1, Aishah Albalawi2, Adel Alkhedaide3
1Biochemistry Division, Department of Chemistry, Faculty of Science, Fayoum University, Fayoum, Egypt.
Introduction:
Obesity is a chronic metabolic disorder that results in excessive energy accumulated in adipose tissue causing dysfunction of adipocytes, inflammation, and oxidative stress. Diosgenin (DG), a steroidal saponin produced by several plants, has been reported to have antioxidant activity. This study aimed to evaluate the effects of diosgenin on oxidative stress and inflammation in mice fed with a high-fat diet (HFD).
Methods:
Thirty adult male mice were divided into three groups including the control group, mice fed with a normal diet; the HFD group, mice fed with a high-fat diet for 6 weeks; and the HFD+DG group, mice fed with a high-fat diet and diosgenin daily for 6 weeks. Interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), malondialdehyde (MDA), and total antioxidant capacity (TAC) activities were evaluated. Histopathological changes in the adipose tissues have been investigated.
Results:
Data showed that diosgenin increased TAC activities with a concomitant decrease in MDA levels. As well, DG reduces the TNF and IL-6 levels. The histopathological changes in the adipose tissues due to high-fat consumption were restored upon DG supplementation.
Conclusion:
Our results suggested that diosgenin is a promising agent for regulating obesity by increasing the levels of antioxidants, modifying oxidative stress and pro-inflammatory cytokines, which might prevent the onset of many diseases.
