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neuropathic pain miRNA

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https://www.readbyqxmd.com/read/29773953/mir-34a-mediated-regulation-of-xist-in-female-cells-under-inflammation
#1
Botros B Shenoda, Yuzhen Tian, Guillermo M Alexander, Enrique Aradillas-Lopez, Robert J Schwartzman, Seena K Ajit
Background: Evidence is overwhelming for sex differences in pain, with women representing the majority of the chronic pain patient population. There is a need to explore novel avenues to elucidate this sex bias in the development of chronic inflammatory pain conditions. Complex regional pain syndrome (CRPS) is a chronic neuropathic pain disorder, and the incidence of CRPS is greater in women than in men by ~4:1. Since neurogenic inflammation is a key feature of CRPS, dysregulation of inflammatory responses can be a factor in predisposing women to chronic pain...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29723521/microrna-124-and-microrna-146a-both-attenuate-persistent-neuropathic-pain-induced-by-morphine-in-male-rats
#2
Peter M Grace, Keith A Strand, Erika L Galer, Steven F Maier, Linda R Watkins
We have recently reported that a short course of morphine, starting 10 days after sciatic chronic constriction injury (CCI), prolonged the duration of mechanical allodynia for months after morphine ceased. Maintenance of this morphine-induced persistent sensitization was dependent on microglial reactivity and Toll-like receptor 4 signaling. Given that microRNAs (miRNAs) such as miR-124 and miR-146a possess the ability to modulate such signaling, we directly compared their function in this model. We found that both miRNAs reversed established allodynia in our model of morphine-induced persistent sensitization...
April 30, 2018: Brain Research
https://www.readbyqxmd.com/read/29689688/swimming-exercise-induced-reversed-expression-of-mir-96-and-its-target-gene-nav1-3-in-diabetic-peripheral-neuropathy-in-rats
#3
Amir Mahmoudi Aghdam, Parviz Shahabi, Elham Karimi-Sales, Rafigheh Ghiasi, Saeed Sadigh-Eteghad, Javad Mahmoudi, Mohammad Reza Alipour
Diabetes is a common metabolic disease which leads to diabetic peripheral neuropathy. Recently, the role of microRNA-96 (miR-96) in alleviating neuropathic pain by inhibiting the expression of NaV1.3, an isoform of voltage-gated sodium channels, has been shown. Peripheral nerve injuries result in NaV1.3 elevation. Exercise has beneficial role in diabetes management and peripheral neuropathy. However, the effects of exercise on miR-96 and its target gene NaV1.3 in diabetic rats are unknown. Therefore, the present study investigated the effects of exercise training on the expression of miR-96 and NaV1...
April 25, 2018: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/29593724/mirnome-expression-analysis-reveals-new-players-on-leprosy-immune-physiopathology
#4
Claudio Guedes Salgado, Pablo Pinto, Raquel Carvalho Bouth, Angélica Rita Gobbo, Ana Caroline Cunha Messias, Tatiana Vinasco Sandoval, André Mauricio Ribeiro Dos Santos, Fabiano Cordeiro Moreira, Amanda Ferreira Vidal, Luiz Ricardo Goulart, Josafá Gonçalves Barreto, Moisés Batista da Silva, Marco Andrey Cipriani Frade, John Stewart Spencer, Sidney Santos, Ândrea Ribeiro-Dos-Santos
Leprosy remains as a public health problem and its physiopathology is still not fully understood. MicroRNAs (miRNA) are small RNA non-coding that can interfere with mRNA to regulate gene expression. A few studies using DNA chip microarrays have explored the expression of miRNA in leprosy patients using a predetermined set of genes as targets, providing interesting findings regarding the regulation of immune genes. However, using a predetermined set of genes restricted the possibility of finding new miRNAs that might be involved in different mechanisms of disease...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29547407/bioinformatic-analysis-of-potential-biomarkers-for-spinal-cord-injured-patients-with-intractable-neuropathic-pain
#5
Yimin Wang, Fang Ye, Chanyan Huang, Faling Xue, Yingyuan Li, Shaowei Gao, Zeting Qiu, Si Li, Qinchang Chen, Huaqiang Zhou, Yiyan Song, Wenqi Huang, Wulin Tan, Zhongxing Wang
BACKGROUND: Neuropathic pain is one of the common complications after spinal cord injury (SCI), affecting patients' life quality. The molecular mechanism for neuropathic pain after SCI is still unclear. We aimed to discover potential genes and MicroRNAs(miRNAs) related to neuropathic pain by bioinformatics method. METHODS: Microarray data of GSE69901 were obtained from Gene Expression Omnibus (GEO) database. Peripheral blood samples from patients with or without neuropathic pain after spinal cord injury (SCI) were collected...
March 15, 2018: Clinical Journal of Pain
https://www.readbyqxmd.com/read/29386025/mirna-23a-cxcr4-regulates-neuropathic-pain-via-directly-targeting-txnip-nlrp3-inflammasome-axis
#6
Zhiqiang Pan, Qun Shan, Pan Gu, Xiao Min Wang, Lydia Wai Tai, Menglan Sun, Xin Luo, Liting Sun, Chi Wai Cheung
BACKGROUND: Chemokine CXC receptor 4 (CXCR4) in spinal glial cells has been implicated in neuropathic pain. However, the regulatory cascades of CXCR4 in neuropathic pain remain elusive. Here, we investigated the functional regulatory role of miRNAs in the pain process and its interplay with CXCR4 and its downstream signaling. METHODS: miRNAs and CXCR4 and its downstream signaling molecules were measured in the spinal cords of mice with sciatic nerve injury via partial sciatic nerve ligation (pSNL)...
January 31, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29286067/changes-in-microrna-expression-in-the-brachial-plexus-avulsion-model-of-neuropathic-pain
#7
Yuzhou Liu, Le Wang, Jie Lao, Xin Zhao
The present study aimed to perform microRNA (miRNA/miR) expression profiling of the thalamus (T), the anterior cingulate (AC), the dorsal horn of the spinal cord (DHSC) and the blood (B) in post‑complete brachial plexus avulsion (CBPA) pain model, and analyze biological functions. Neuropathic pain was induced in Sprague‑Dawley rats by CBPA. Animal behavioral tests were performed to differentiate the pain and control groups. DHSC, T, AC and B tissues were collected from the two groups for miRNA array analysis...
March 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29115575/microrna-142-3p-relieves-neuropathic-pain-by-targeting-high-mobility-group-box-1
#8
Yang Zhang, Junying Mou, Li Cao, Su Zhen, Hongjuan Huang, Hongguang Bao
MicroRNA (miRNA) are emerging as critical regulators of neuropathic pain development. Neuroinflammation contributes to the development of neuropathic pain. miR‑142‑3p has been characterized as an inflammation‑related miRNA in various pathological processes. However, little is known about the role of miR‑142‑3p in neuroinflammation and neuropathic pain. The present study aimed to investigate the function of miR‑142‑3p in neuropathic pain by creating a murine model using spinal nerve ligation (SNL)...
January 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29108992/mir-32-5p-mediated-dusp5-downregulation-contributes-to-neuropathic-pain
#9
Tingfei Yan, Fuguo Zhang, Chenxi Sun, Jingchuan Sun, Yuan Wang, Ximing Xu, Jiangang Shi, Guodong Shi
Previous studies have demonstrated that microRNAs (miRNAs) play important roles in the pathogenesis of neuropathic pain. In the present study, we found that miR-32-5p was significantly upregulated in rats after spinal nerve ligation (SNL), specifically in the spinal microglia of rats with SNL. Functional assays showed that knockdown of miR-32-5p greatly suppressed mechanical allodynia and heat hyperalgesia, and decreased inflammatory cytokine (IL-1β, TNF-α and IL-6) protein expression in rats after SNL. Similarly, miR-32-5p knockdown alleviated cytokine production in lipopolysaccharide (LPS)-treated spinal microglial cells, whereas its overexpression had the opposite effect...
January 1, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28870579/aberrant-microrna-expression-in-patients-with-painful-peripheral-neuropathies
#10
Mathias Leinders, Nurcan Üçeyler, Anna Thomann, Claudia Sommer
Changes in the neuro-immune balance play a major role in the induction and maintenance of neuropathic pain. We recently reported pathophysiologically relevant alterations in skin and sural nerve cytokine expression in peripheral neuropathies of different etiologies. Immune processes and cytokine expression are under tight control of microRNAs (miRNAs). To identify potential master switches in the neuro-immune balance, we aimed at characterizing inflammation-regulating miRNA profiles in patients with peripheral neuropathies...
September 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28744199/differential-impact-of-mir-21-on-pain-and-associated-affective-and-cognitive-behavior-after-spared-nerve-injury-in-b7-h1-ko-mouse
#11
Franziska Karl, Anne Grießhammer, Nurcan Üçeyler, Claudia Sommer
MicroRNAs (miRNAs) are increasingly recognized as regulators of immune and neuronal gene expression and are potential master switches in neuropathic pain pathophysiology. miR-21 is a promising candidate that may link the immune and the pain system. To investigate the pathophysiological role of miR-21 in neuropathic pain, we assessed mice deficient of B7 homolog 1 (B7-H1), a major inhibitor of inflammatory responses. In previous studies, an upregulation of miR-21 had been shown in mouse lymphocytes. Young (8 weeks), middle-aged (6 months), and old (12 months) B7-H1 ko mice and wildtype littermates (WT) received a spared nerve injury (SNI)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28685867/mir-150-alleviates-neuropathic-pain-via-inhibiting-toll-like-receptor-5
#12
Li-Juan Ji, Jing Shi, Jing-Min Lu, Qiang-Min Huang
MicroRNAs (miRNAs) are reported as vital participators in the pathophysiological course of neuropathic pain. However, the underlying mechanisms of the functional roles of miRNAs in neuropathic pain are largely unknown. This study was designed to explore the potential role of miR-150 in regulating the process of neuropathic pain in a rat model established by chronic sciatic nerve injury (CCI). Overexpression of miR-150 greatly alleviated neuropathic pain development and reduced inflammatory cytokine expression, including COX-2, interleukin IL-6, and tumor necrosis factor (TNF)-α in CCI rats...
January 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28579386/microrna-and-chronic-pain-from-mechanisms-to-therapeutic-potential
#13
REVIEW
María José López-González, Marc Landry, Alexandre Favereaux
Chronic pain is a major public health issue with an incidence of 20-25% worldwide that can take different forms like neuropathic, cancer-related or inflammatory pain. Chronic pain often limits patients in their daily activities leading to despair. Thus, the goal of treatments is to relieve pain sufficiently to enable patients to go back to a normal life. Unfortunately, few patients with chronic pain obtain complete relief from the analgesics that are currently available. It is thus of prime importance to get a better understanding of chronic pain mechanisms to design new therapeutic strategies and pain-killers...
December 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28529474/mir-30b-attenuates-neuropathic-pain-by-regulating-voltage-gated-sodium-channel-nav1-3-in-rats
#14
Songxue Su, Jinping Shao, Qingzan Zhao, Xiuhua Ren, Weihua Cai, Lei Li, Qian Bai, Xuemei Chen, Bo Xu, Jian Wang, Jing Cao, Weidong Zang
Nav1.3 is a tetrodotoxin-sensitive isoform among voltage-gated sodium channels that are closely associated with neuropathic pain. It can be up-regulated following nerve injury, but its biological function remains uncertain. MicroRNAs (miRNAs) are endogenous non-coding RNAs that can regulate post-transcriptional gene expression by binding with their target mRNAs. Using Target Scan software, we discovered that SCN3A is the major target of miR-30b, and we then determined whether miR-30b regulated the expression of Nav1...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28420964/identification-of-the-spinal-expression-profile-of-non-coding-rnas-involved-in-neuropathic-pain-following-spared-nerve-injury-by-sequence-analysis
#15
Jun Zhou, Qingming Xiong, Hongtao Chen, Chengxiang Yang, Youling Fan
Neuropathic pain (NP) is caused by damage to the nervous system, resulting in aberrant pain, which is associated with gene expression changes in the sensory pathway. However, the molecular mechanisms are not fully understood. A non-coding Ribose Nucleic Acid (ncRNA) is an RNA molecule that is not translated into a protein. NcRNAs are involved in many cellular processes, and mutations or imbalances of the repertoire within the body can cause a variety of diseases. Although ncRNAs have recently been shown to play a role in NP pathogenesis, the specific effects of ncRNAs in NP remain largely unknown...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28379535/the-role-of-mir-539-in-the-anterior-cingulate-cortex-in-chronic-neuropathic-pain
#16
Mingxia Ding, Weihong Shen, Yifeng Hu
Objective: This study explored the putative mechanisms of miRNAs in the anterior cingulate cortex (ACC) in modulation of neuropathic pain induced by chronic constriction injury (CCI) of the sciatic nerve. Design and Methods: MiRNA microarray and quantitative real-time polymerase chain reaction (qRT-PCR) were used to examine miRNA expression profile in the ACC after CCI of the sciatic nerve. MiRNA mimics were then used to examine the role of miR-539 in the ACC in modulation of NR2B subunit expression and neuropathic pain in rats...
December 1, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28298073/electro-acupuncture-modulated-mir-214-prevents-neuronal-apoptosis-by-targeting-bax-and-inhibits-sodium-channel-nav1-3-expression-in-rats-after-spinal-cord-injury
#17
Jing Liu, Yaochi Wu
Electro-acupuncture (EA) has been proven to contribute towards neurologic and functional recoveries in spinal cord injury (SCI), but the underlying mechanism remains largely unknown especially regarding the effects of preventing neuronal apoptosis and alleviating neuropathic pain involved in the development of EA. In this study, we evaluated the effect of EA treatment in an animal model of SCI using the Basso, Beattie, and Bresnahan (BBB) score method, lesion volume by cresyl violet staining and neuronal apoptosis by TUNEL staining...
May 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28284149/microrna-93-alleviates-neuropathic-pain-through-targeting-signal-transducer-and-activator-of-transcription-3
#18
Xue-Tao Yan, Li-Juan Ji, Zhiyu Wang, Xingjun Wu, Quan Wang, Shujie Sun, Jing-Min Lu, Yang Zhang
Emerging evidence suggests that microRNAs (miRNAs) play a critical role in the pathogenesis of neuropathic pain. However, the exact role of miRNAs in regulating neuropathic pain remains largely unknown. In this study, we aimed to investigate the potential role of miR-93 in a rat model of neuropathic pain induced by chronic constriction sciatic nerve injury (CCI). We found a significant decrease of miR-93 in the spinal cord of CCI rats compared with sham rats. Overexpression of miR-93 significantly alleviated neuropathic pain development and reduced inflammatory cytokine expression, including interleukin (IL)-1β, tumor necrosis factor (TNF)-α, and IL-6 in CCI rats...
May 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28161709/microrna-146a-ameliorates-inflammation-via-traf6-nf-%C3%AE%C2%BAb-pathway-in-intervertebral-disc-cells
#19
Feng Lv, Yingzi Huang, Wentao Lv, Longbiao Yang, Feng Li, Jingli Fan, Jianmin Sun
BACKGROUND Intervertebral disc degeneration (IDD) has been widely recognized as a major contributor to low back pain. Accumulating evidence suggests that IDD is linked to various pro-inflammatory cytokines and metabolites. Recently, numerous studies have demonstrated that microRNAs (miRNAs) play a pivotal role in the development of most disorders, including degenerative disc diseases. Previous reports have revealed that miRNA-146a (miR-146a) could attenuate neuropathic pain in the spinal cord. The aim of this study was to investigate the role of miR-146a in the inflammatory response of IDD...
February 5, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28130187/overexpression-of-mir-206-ameliorates-chronic-constriction-injury-induced-neuropathic-pain-in-rats-via-the-mek-erk-pathway-by-targeting-brain-derived-neurotrophic-factor
#20
Wenbo Sun, Limin Zhang, Rui Li
Neuropathic pain is chronic pain caused by lesions or diseases of the somatosensory system and existing tolerance to currently available analgesics. MicroRNAs (miRNAs) have been widely studied in the development of neuropathic pain and neuro-inflammation resulting from nerve injury. However, the precise mechanism of miRNAs involved in neuropathic pain remains largely unknown. In the present study, we investigated the vital roles of miR-206 and its putative target gene, brain-derived neurotrophic factor (BDNF), in neuropathic pain in the rat model of chronic constriction injury (CCI)...
April 12, 2017: Neuroscience Letters
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