Abstract Title:

Chamomile decoction mitigates high fat diet-induced anxiety-like behavior, neuroinflammation and cerebral ROS overload.

Abstract Source:

Nutr Neurosci. 2020 Dec 14:1-12. Epub 2020 Dec 14. PMID: 33314994

Abstract Author(s):

Mohamed-Amine Jabri, Kaïs Rtibi, Hichem Sebai

Article Affiliation:

Mohamed-Amine Jabri


An abundant literature suggests that obesity-associated with taking a high fat diet is related to an elevated risk of type 2 diabetes and metabolic syndrome. However, metabolic disorders may be involved in the induction of the anxiogenic-like symptoms. The current study was designed to elucidate the mechanisms by which a high fat diet (HFD) can cause several complications in the WISTAR rats () brain. Oxidative stress and inflammation as well as the putative protection afforded by chamomile decoction extract (CDE) were also studied. The results demonstrated that the increased body and brain weight, acetylcholinesterase and butyrylcholinesterase activities as well as hypercholezterolaemia in response to HFD taking were correlated with anxiogenic-like symptoms. Moreover, HFD feed caused a brain oxidative stress characterized by increased lipoperoxidation, inhibition of antioxidant enzyme activities such as SOD, CAT and GPx, depletion of a non-enzymatic antioxidant such as sulfhydryl groups and GSH. Importantly, the results also show that HFD also provoked a cerebral overload in reactive oxygen species such as OH, HOandas well as brain inflammation assessed by the overproduction of cytokines such as IL-1β and IL-6. Interestingly, all neurobehavioral changes and all the biochemical and molecular disturbances were abolished in HFD-fed rats treated with CDE. Our results provide clear evidence that obesity and depression as well as anxiety are finely correlated and thatdecoction may prove to be a potential therapeutic agent to mitigate the behavioral disorders, the biochemical alterations and the neuroinflammation associated to the obesity.

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