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Condition: Back Pain

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Total 191 results found since Jan 2013.

Hydroxysafflor yellow A attenuates oxidative stress injury-induced apoptosis in the nucleus pulposus cell line and regulates extracellular matrix balance via CA XII
In conclusion, HSYA could attenuate oxidative stress injury and apoptosis induced by TBHP in the NP cell line, and could improve the regulation of ECM balance.PMID:35069863 | PMC:PMC8764902 | DOI:10.3892/etm.2021.11105
Source: Experimental and Therapeutic Medicine - January 24, 2022 Category: General Medicine Authors: Shuo Yang Wenbo Liao Source Type: research

LncRNA MRAK159688 facilitates morphine tolerance by promoting REST-mediated inhibition of mu opioid receptor in rats
Neuropharmacology. 2022 Jan 1;206:108938. doi: 10.1016/j.neuropharm.2021.108938. Online ahead of print.ABSTRACTMorphine tolerance (MT) caused by the long-term use of morphine is a major medical problem. The molecular mechanism of morphine tolerance remains elusive. Here, we established a morphine tolerance model in rats and verified whether the long noncoding RNA (lncRNA) MRAK159688 is involved in morphine tolerance and its specific molecular mechanism. We show the significant upregulation of MRAK159688 expression in the spinal cord of morphine-tolerant rats. Overexpression of MRAK159688 by a lentivirus reduces the analges...
Source: Neuropharmacology - January 4, 2022 Category: Drugs & Pharmacology Authors: Meiling Deng Zengli Zhang Manyu Xing Xia Liang Zhengyiqi Li Jing Wu Shasha Jiang Yingqi Weng Qulian Guo Wangyuan Zou Source Type: research

Sympathectomy decreases pain behaviors and nerve regeneration by downregulating monocyte chemokine CCL2 in dorsal root ganglia in the rat tibial nerve crush model
In this study, we examined the effect of a localized “microsympathectomy,” ie, cutting the gray rami containing sympathetic postganglionic axons where they enter the L4 and L5 spinal nerves, which is more analogous to clinically used sympathetic blockade compared with chemical or surgical sympathectomy. We also examined manipulations of CCL2 (monocyte chemoattractant protein 1), a key player in both regeneration and pain. We used rat tibial nerve crush as a neuropathic pain model in which peripheral nerve regeneration can occur successfully. CCL2 in the sensory ganglia was increased by tibial nerve crush and reduced by...
Source: Pain - December 27, 2021 Category: Anesthesiology Tags: Research Paper Source Type: research

Adiponectin regulates electroacupuncture-produced analgesic effects in association with a crosstalk between the peripheral circulation and the spinal cord
In conclusion, the study indicates a novel mechanism that acupuncture produces analgesic effects at least partially via APN/AdipoR2-AMPK pathway in the spinal cord.PMID:34562596 | DOI:10.1016/j.bbi.2021.09.010
Source: Brain, Behavior, and Immunity - September 25, 2021 Category: Neurology Authors: Zhipeng Ning Pan Gu Jialing Zhang Chi Wai Cheung Lixing Lao Haiyong Chen Zhang-Jin Zhang Source Type: research

KDM6B epigenetically regulated-interleukin-6 expression in the dorsal root ganglia and spinal dorsal horn contributes to the development and maintenance of neuropathic pain following peripheral nerve injury in male rats
Brain Behav Immun. 2021 Aug 28;98:265-282. doi: 10.1016/j.bbi.2021.08.231. Online ahead of print.ABSTRACTThe lysine specific demethylase 6B (KDM6B) has been implicated as a coregulator in the expression of proinflammatory mediators, and in the pathogenesis of inflammatory and arthritic pain. However, the role of KDM6B in neuropathic pain has yet to be studied. In the current study, the neuropathic pain was determined by assessing the paw withdrawal threshold (PWT) and paw withdrawal latency (PWL) following lumbar 5 spinal nerve ligation (SNL) in male rats. Immunohistochemistry, Western blotting, qRT-PCR, and chromatin immu...
Source: Brain, Behavior, and Immunity - August 31, 2021 Category: Neurology Authors: Liren Li Liying Bai Kangli Yang Jian Zhang Yan Gao Mingjun Jiang Yin Yang Xuan Zhang Li Wang Xueli Wang Yiming Qiao Ji-Tian Xu Source Type: research

Fragile X mental retardation protein ‐regulated proinflammatory cytokine expression in the spinal cord contributes to the pathogenesis of inflammatory pain induced by complete Freund's adjuvant
AbstractStudies have verified that Fragile X mental retardation protein (FMRP), an RNA-binding protein, plays a potential role in the pathogenesis of formalin- and (RS)-3,5-dihydroxyphenylglycine (DHPG)-induced abnormal pain sensations. However, the role of FMRP in inflammatory pain has not been reported. Here, we showed an increase in FMRP expression in the spinal dorsal horn (SDH) in a rat model of inflammatory pain induced by complete Freund ’s adjuvant (CFA). Double immunofluorescence staining revealed that FMRP was mainly expressed in spinal neurons and colocalized with proinflammatory cytokines [tumor necrosis fact...
Source: Journal of Neurochemistry - August 2, 2021 Category: Neuroscience Authors: Yixin Yang, Jinsong Zhao, Yunze Li, Xiangyao Li, Xiaowei Chen, Zhiying Feng Tags: ORIGINAL ARTICLE Source Type: research

Spinal Nrf2 translocation may inhibit neuronal NF ‐κB activation and alleviate allodynia in a rat model of bone cancer pain
This study aimed to test the hypothesis that BCP induces the transfer of Nrf2 from the cytoplasm to the nucleus and further promotes nuclear transcription to activate heme oxygenase-1 (HO-1) and inhibit the activation of nuclear factor-kappa B (NF- κB) signalling, ultimately regulating the neuroinflammatory response. Von-Frey was used for behavioural analysis in BCP rats, while western blotting, real-time quantitative PCR (RT-PCR), and enzyme-linked immunosorbent assay (ELISA) were used to detect molecular expression changes, and immunofluore scence was used to detect cellular localization. We demonstrated that BCP induce...
Source: Journal of Neurochemistry - July 14, 2021 Category: Neuroscience Authors: Jie Fu, Chaobo Ni, Hua ‐Dong Ni, Long‐Sheng Xu, Qiu‐Li He, Huan Pan, Dong‐Dong Huang, Yan‐Bao Sun, Ge Luo, Ming‐Juan Liu, Ming Yao Tags: ORIGINAL ARTICLE Source Type: research