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Journal of Diabetes & Metabolic Disorders
Erschienen in: Journal of Diabetes & Metabolic Disorders 2/2021

21.10.2021 | Research article

Acetate supplementation restores testicular function by modulating Nrf2/PPAR-γ in high fat diet-induced obesity in Wistar rats

verfasst von: Kehinde S. Olaniyi, Christopher O. Akintayo, Adesola A. Oniyide, Adams O. Omoaghe, Mosunmola B. Oyeleke, Adedamola A. Fafure

Erschienen in: Journal of Diabetes & Metabolic Disorders | Ausgabe 2/2021

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Abstract

Purpose

Several studies have established impaired testicular function in obese male population, including the young males with childhood obesity, contributing to increased male infertility, which is a universal trend in the last few decades. Short chain fatty acids (SCFAs) have been recently demonstrated to inhibit progression to metabolic comorbidities. The present study therefore hypothesized that SCFAs, acetate attenuates testicular dysfunction in high fat diet (HFD)-induced obese rat model, possibly by modulating Nrf2/PPAR-γ.

Methods

Adult male Wistar rats weighing 160–190 g were randomly allotted into three groups (n = 6/group): The groups received vehicle (distilled water), 40% HFD and sodium acetate (200 mg/kg) plus 40% HFD respectively. The administration lasted for 12 weeks.

Results

HFD caused obesity, which is characterized with increased body weight and visceral adiposity and insulin resistance/hyperinsulinemia. In addition, it increased testicular lipid deposition, malondialdehyde, pro-inflammatory mediators, lactate/pyruvate ratio, γ-Glutamyl transferase, and circulating leptin as well as decreased testicular glutathione, nitric oxide, Nrf2, PPAR-γ and circulating follicle stimulating hormone and testosterone without a significant change in testicular lactate dehydrogenase, blood glucose and luteinizing hormone when compared to the control group. Nevertheless, administration of acetate reversed the HFD-induced alterations.

Conclusion

The present results demonstrates that HFD causes obesity-driven testicular dysfunction, associated with testicular lipid deposition, oxidative stress, and inflammation. The study in addition suggests the restoration of testicular function in obese animals by acetate, an effect that is accompanied by elevated Nrf2/PPAR-γ.
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Metadaten
Titel
Acetate supplementation restores testicular function by modulating Nrf2/PPAR-γ in high fat diet-induced obesity in Wistar rats
verfasst von
Kehinde S. Olaniyi
Christopher O. Akintayo
Adesola A. Oniyide
Adams O. Omoaghe
Mosunmola B. Oyeleke
Adedamola A. Fafure
Publikationsdatum
21.10.2021
Verlag
Springer International Publishing
Erschienen in
Journal of Diabetes & Metabolic Disorders / Ausgabe 2/2021
Elektronische ISSN: 2251-6581
DOI
https://doi.org/10.1007/s40200-021-00924-x

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