期刊
NEURAL REGENERATION RESEARCH
卷 11, 期 10, 页码 1545-1548出版社
MEDKNOW PUBLICATIONS & MEDIA PVT LTD
DOI: 10.4103/1673-5374.193222
关键词
neuropathic pain; poly(ADP-ribose) polymerase; neuroinflammation; oxidative stress; bioenergetic crisis
资金
- Department of Biotechnology Govt of India [BT/527/NE/TBP/2013]
- Department of Pharmaceuticals, Ministry of Chemical and Fertilizers
- NIPER Hyderabad
Neuropathic pain is triggered by the lesions to peripheral nerves which alter their structure and function. Neuroprotective approaches that limit the pathological changes and improve the behavioral outcome have been well explained in different experimental models of neuropathy but translation of such strategies to clinics has been disappointing. Experimental evidences revealed the role of free radicals, especially peroxynitrite after the nerve injury. They provoke oxidative DNA damage and consequent over-activation of the poly(ADP-ribose) polymerase (PARP) upregulates pro-inflammatory pathways, causing bioenergetic crisis and neuronal death. Along with these changes, it causes mitochondrial dysfunction leading to neuronal apoptosis. In related preclinical studies agents that neutralize the free radicals and pharmacological inhibitors of PARP have shown benefits in treating experimental neuropathy. This article reviews the involvement of PARP over-activation in trauma induced neuropathy and therapeutic significance of PARP inhibitors in the experimental neuropathy and neuropathic pain.
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