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Abstract Title:

Effects of curcumin on sodium currents of dorsal root ganglion neurons in type 2 diabetic neuropathic pain rats.

Abstract Source:

Zhongguo Ying Yong Sheng Li Xue Za Zhi. 2015 Nov ;31(6):541-8. PMID: 27215022

Abstract Author(s):

Bo Meng, Lu-lu Shen, Xiao-ting Shi, Yong-sheng Gong, Xiao-fang Fan, Jun Li, Hong Cao

Article Affiliation:

Bo Meng

Abstract:

Along with the development of economy and society, type 2 diabetic mellitus (T2DM) has become one of the most common diseases at the global level. As one of the complications of T2DM, diabetic neuropathic pain (DNP) stubbornly and chronically affects the health and life of human beings. In the pain field, dorsal root ganglion (DRG) is generally considered as the first stage of the sensory pathway where the hyperexcitability of injured neurons is associated with different kinds of peripheral neuropathic pains. The abnormal electrophysiology is mainly due to the changed properties of voltage-gated sodium channels (VGSCs) and the increased sodium currents (I(Na)). Curcumin is an active ingredient extracted from turmeric and has been demonstrated to ameliorate T2DM and its various complications including DNP effectively. The present study demonstrates that the I(Na) of small-sized DRG neurons are significantly increased with the abnormal electrophysiological characteristics of VGSCs in type 2 diabetic neuropathic pain rats. And these abnormalities can be ameliorated efficaciously by a period of treatment with curcumin.

Study Type : In Vitro Study

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Sayer Ji
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