Abstract Title:

Grape seed and skin extract as an adjunct to xenical therapy reduces obesity, brain lipotoxicity and oxidative stress in high fat diet fed rats.

Abstract Source:

Obes Res Clin Pract. 2016 May 5. Epub 2016 May 5. PMID: 27161420

Abstract Author(s):

Mohamed Mahmoudi, Kamel Charradi, Ferid Limam, Ezzedine Aouani

Article Affiliation:

Mohamed Mahmoudi


BACKGROUND: Obesity is a public health problem and a major risk factor for metabolic syndrome. This study was designed to assess the effectiveness of grape seed and skin extract (GSSE) and Xenical (Xe) on high fat diet (HFD)-induced obesity and brain lipotoxicity.

METHOD: Rats were rendered obese and then treated either with vehicle (control) or GSSE (4g/kg bw) or Xe (1, 2, 4 or 8mg/kg bw) or (GSSE+Xe) and monitored for weight loss during 3 months. Animals were then sacrificed and their brain utilised for the evaluation of lipotoxicity-induced oxidative stress as well as the putative protection offered by GSSE and Xe treatment.

RESULTS: As expected HFD-induced body and adipose tissue weight gain, dyslipidemia, accumulation of lipid into the brain, a drop in adiponectin, increased oxidative stress and disruption of Mn, Ca(2+) and of related enzyme activities as glutamine synthetase and calpain. Xe alone exerted anti-obesity effect during the first 2 months and became inefficient thereafter. GSSE per se exhibited potent anti-obesity effect whereas the combination (GSSE+Xe), by acting in concert, was the most efficient against obesity and brain lipotoxicity. GSSE acted partially through its anti-oxidative properties, whereas Xe did not.

CONCLUSION: Combining GSSE with Xe improved outcomes in body weight and fat reduction as well as in brain lipotoxicity.

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Sayer Ji
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