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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Stress proteins and glial cell functions during chronic aluminium exposures: protective role of curcumin.

Abstract Source:

Neurochem Res. 2012 Mar ;37(3):639-46. Epub 2011 Dec 1. PMID: 22130689

Abstract Author(s):

Pooja Khanna Sood, Uma Nahar, Bimla Nehru

Article Affiliation:

Pooja Khanna Sood

Abstract:

Involved in the ongoing debate is the speculation that aluminium is somehow toxic for neurons. Glial cells cope up to protect neurons from this toxic insult by maintaining the glutathione homeostasis. Of late newer and newer roles of glial cells have been depicted. The present work looks into the other regulatory mechanisms that show the glial cells response to pro-oxidant effects of aluminium exposure. In the present investigation we have evaluated the inflammatory responses of the glial cells as well as HSP70-induction during aluminium exposure. Further, the protective role of curcumin is also evaluated. Aluminium was administered by oral gavage at a dose level of 100 mg/kg b.wt/day for a period of 8 weeks. Curcumin was administered i.p. at a dose of 50 mg/kg b.wt./day on alternate days. Enhanced gene and protein expression of HSP70 in the glial fractions of the aluminium exposed animals as compared to the corresponding neuronal population. Aluminium exposureresulted in a significant increase in the NF-κB and TNF-α expression suggesting inflammatory responses. In the conjunctive treatment group of aluminium and curcumin exposure marked reduction in the gene and protein expression of NF-κB and TNF-α was observed. This was further reflected in histopathological studies showing no evidence of inflammation in conjunctive group as compared to aluminium treatment. From the present study, it can be concluded that curcumin has a potential anti-inflammatory action and can be exploited in other toxicological conditions also.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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