The Role of Autophagy and Apoptosis in Neuropathic Pain Formation

Ming Feng Liao, Kwok Tung Lu, Jung Lung Hsu, Chih Hong Lee, Mei Yun Cheng, Long Sun Ro*

*此作品的通信作者

研究成果: 雜誌貢獻回顧評介論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

Neuropathic pain indicates pain caused by damage to the somatosensory system and is difficult to manage and treat. A new treatment strategy urgently needs to be developed. Both autophagy and apoptosis are critical adaptive mechanisms when neurons encounter stress or damage. Recent studies have shown that, after nerve damage, both autophagic and apoptotic activities in the injured nerve, dorsal root ganglia, and spinal dorsal horn change over time. Many studies have shown that upregulated autophagic activities may help myelin clearance, promote nerve regeneration, and attenuate pain behavior. On the other hand, there is no direct evidence that the inhibition of apoptotic activities in the injured neurons can attenuate pain behavior. Most studies have only shown that agents can simultaneously attenuate pain behavior and inhibit apoptotic activities in the injured dorsal root ganglia. Autophagy and apoptosis can crosstalk with each other through various proteins and proinflammatory cytokine expressions. Proinflammatory cytokines can promote both autophagic/apoptotic activities and neuropathic pain formation, whereas autophagy can inhibit proinflammatory cytokine activities and further attenuate pain behaviors. Thus, agents that can enhance autophagic activities but suppress apoptotic activities on the injured nerve and dorsal root ganglia can treat neuropathic pain. Here, we summarized the evolving changes in apoptotic and autophagic activities in the injured nerve, dorsal root ganglia, spinal cord, and brain after nerve damage. This review may help in further understanding the treatment strategy for neuropathic pain during nerve injury by modulating apoptotic/autophagic activities and proinflammatory cytokines in the nervous system.

原文英語
文章編號2685
期刊International journal of molecular sciences
23
發行號5
DOIs
出版狀態已發佈 - 2022 3月 1

ASJC Scopus subject areas

  • 催化
  • 分子生物學
  • 光譜
  • 電腦科學應用
  • 物理與理論化學
  • 有機化學
  • 無機化學

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