Abstract Title:

Protective effect of punicalagin, the main polyphenol compound of pomegranate, against acrylamide-induced neurotoxicity and hepatotoxicity in rats.

Abstract Source:

Phytother Res. 2020 Jun 27. Epub 2020 Jun 27. PMID: 32592417

Abstract Author(s):

Amir Foroutanfar, Soghra Mehri, Marzyeh Kamyar, Zahra Tandisehpanah, Hossein Hosseinzadeh

Article Affiliation:

Amir Foroutanfar


Acrylamide (ACR) is widely used in industries. Oxidative stress and apoptosis pathways are important mechanisms behind ACR-induced hepatotoxicity and neurotoxicity. Regarding to antioxidant and antiapoptotic properties of punicalagin (PUN), the protective effect of this agent on ACR-induced toxicity in rat was evaluated. Rats were divided into seven groups: control, ACR (50 mg/kg/day, i.p.), PUN (10, 20, and 40 mg/kg/day, i.p.) plus ACR, vitamin E (200 mg/kg, i.p.) plus ACR, and PUN groups. After 11 days, the gait score test was evaluated. Then, the animals were sacrificed and the malondialdehyde (MDA) and glutathione (GSH) contents were determined in the brain and liver tissues. Apoptosis-involved factors and myelin basic protein (MBP) were determined by western blotting. Severe movement disorder, MDA enhancement, and GSH reduction in the brain and liver tissues were observed in ACR-treated animals. The Bax/Bclratio and caspase-3 levels were enhanced in the tested tissues. ACR elevated the level of aspartate aminotransferases and decreased serum protein and albumin concentration. PUN recovered movement disorders, changed the level of markers which are important in oxidative stress and reduced apoptosis. Also, PUN increased the MBP level which was reduced due to ACR toxicity. PUN can protect against ACR-induced toxicity through antioxidant and antiapoptotic properties.

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