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

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Abstract Title:

Berberine Ameliorates Diabetic Neuropathy: TRPV1 Modulation by PKC Pathway.

Abstract Source:

Am J Chin Med. 2017 Nov 9:1-15. Epub 2017 Nov 9. PMID: 29121795

Abstract Author(s):

Yan Zan, Cui-Xing Kuai, Zhi-Xia Qiu, Fang Huang

Article Affiliation:

Yan Zan

Abstract:

In recent years, berberine has increasingly become a topic of research as a treatment for diabetes due to its repair function, which recovers damaged pancreaticβ cells. However, it is the complications of diabetes that seriously affect patients' life quality and longevity, among which diabetic neuropathy and the consequent acute pain are the most common. In this study, we established STZ-induced diabetic models to observe whether berberine, a main constitute of Coptis chinensis Franch which has shown good hypoglycemic effects, could relieve diabetes-induced pain and explored its possible mechanism in rats and mice. Behavior assays showed increasing mechanical allodynia and thermal hyperalgesia thresholds by the Von Frey test and tail flick test during the treatment of berberine. It was found that the administration of berberine (20, 60 mg/kg; 30, 90 mg/kg) suppressed the expression of PKC[Formula: see text] and TRPV1 which could be activated by hyperglycemia-induced inflammatory reaction. Our results also presented its capability to reduce theover expression of TNF-[Formula: see text] in diabetic rats and mice. TNF-[Formula: see text] is an inflammatory cytokine, which is closely related to diabetic peripheral neuropathy (DPN). Consequently, we supposed that berberine exerts its therapeutic effects in part by suppressing the inflammatory process and blocking the PKC pathway to inhibit TRPV1 activation, which damages neurons and causes diabetic pain.

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

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