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Iranian Journal of Basic Medical Sciences، جلد ۲۵، شماره ۴، صفحات ۴۵۱-۴۵۹
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عنوان انگلیسی Acupuncture points injection mitigates chronic pain through transient receptor potential V1 in mice
چکیده انگلیسی مقاله Objective(s): Tissue injury in peripheral sites can result in long-term potentiation in nociceptive neurons and surrounding glial cells, potentially resulting in the development of chronic inflammatory pain (CIP). Acupoint injection (AI) is similar to Western phototherapy, which injects solutions at specific sites to mitigate chronic pain. AI has shown greater benefits compared with acupuncture. In this study, we examined the therapeutic effect and explored the underlying mechanisms of AI in mice CIP model. Materials and Methods: We injected thrice complete Freund’s adjuvant (CFA) into the mouse’s hind paw to induce CIP. Results: We found that, after two weeks, CFA injection significantly induced mechanical and thermal hyperalgesia which were attenuated by AI treatment. Transient receptor potential V1 (TRPV1) channels and associated molecules were all increased in CIP in mice dorsal root ganglion (DRG), spinal cord (SC), thalamus, and somatosensory cortex (SSC). The aforementioned molecules were mitigated in AI and Trpv1 knockout mice. Furthermore, Iba1-positive cells (microglial marker) were also potentiated and shared a similar tendency with TRPV1.Conclusion: These findings suggest that AI can alleviate chronic pain by reducing TRPV1 overexpression in both neuronal and microglial cells. Our results suggest new potential therapeutic targets for AI in chronic pain.
کلیدواژه‌های انگلیسی مقاله Acupuncture points injection, Chronic inflammatory pain, Dorsal root ganglion, Iba1, Somatosensory cortex TRPV1
نویسندگان مقاله | Hsien-Yin Liao
College of Chinese Medicine, School of Post-Baccalaureate Chinese Medicine, China Medical University, Taichung 40402, Taiwan


| Ming-Chia Lin
Department of Nuclear Medicine, E-DA Hospital, College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan


| Yi-Wen Lin
College of Chinese Medicine, Graduate Institute of Acupuncture Science, China Medical University, Taichung 40402, Taiwan|Chinese Medicine Research Center, China Medical University, Taichung 40402, Taiwan
نشانی اینترنتی https://ijbms.mums.ac.ir/article_20079.html
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