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MicroRNA and chronic pain

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https://www.readbyqxmd.com/read/28284149/microrna-93-alleviates-neuropathic-pain-through-targeting-signal-transducer-and-activator-of-transcription-3
#1
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...
March 8, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28214854/microrna-183-suppresses-neuropathic-pain-and-expression-of-ampa-receptors-by-targeting-mtor-vegf-signaling-pathway
#2
Xiaojuan Xie, Ligang Ma, Kai Xi, Wei Zhang, Dongmei Fan
BACKGROUND: Neuropathic pain is a type of chronic pain that results from dysfunctions of the somatosensory nerve system. This study was aimed to investigate the effect of mTOR/VEGF signaling pathway on neuropathic pain and the regulation mechanisms of miR-183 on AMPA Receptors through mTOR/VEGF signaling pathway. METHODS: Chronic compress injury (CCI) model was constructed in the current study, we used paw withdrawal mechanic threshold (PWMT) and paw withdrawal thermal latency (PWTL) to observe mTOR and VEGF receptors...
January 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28207662/expression-of-mirna-124a-in-cd4-cells-reflects-response-to-a-multidisciplinary-treatment-program-in-patients-with-chronic-low-back-pain
#3
Benjamin Luchting, Jens Heyn, Ludwig Christian Hinske, Shahnaz Christina Azad
STUDY DESIGN: A prospective evaluation of microRNA (miRNA) expression in patients with chronic low back pain (CLBP). OBJECTIVE: The aim of this study was to evaluate whether pain- and T cell-related miRNAs are differentially expressed in CLBP when compared with healthy volunteers and whether these miRNAs may distinguish between responders and nonresponders to a multidisciplinary treatment program. SUMMARY OF BACKGROUND DATA: CLBP is a common health problem worldwide...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28162514/-282-sex-dependent-expression-of-microrna-19b-predicts-chronic-widespread-pain-and-posttraumatic-stress-disorder-development-following-trauma-exposure
#4
S Linnstaedt, A Wu, E Zimny, C Lewandowski, P Hendry, K Damiron, C Pearson, M Velilla, J Jones, R Swor, R Domeier, S McLean
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
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
#5
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)...
January 24, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28012171/mir-15b-mediates-oxaliplatin-induced-chronic-neuropathic-pain-through-bace1-down-regulation
#6
Naomi Ito, Atsushi Sakai, Noriko Miyake, Motoyo Maruyama, Hirotoshi Iwasaki, Koichi Miyake, Takashi Okada, Atsuhiro Sakamoto, Hidenori Suzuki
BACKGROUND AND PURPOSE: Although oxaliplatin is an effective anti-cancer platinum compound, it can cause painful chronic neuropathy, and its molecular mechanisms are poorly understood. MicroRNAs (miRNAs) are small non-coding RNAs that negatively regulate gene expression in a sequence-specific manner. Although miRNAs have been increasingly recognized as important modulators in a variety of pain conditions, their involvement in chemotherapy-induced neuropathic pain is unknown. EXPERIMENTAL APPROACH: Oxaliplatin-induced chronic neuropathic pain was induced in rats by i...
March 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27922111/mir-365-targets-%C3%AE-arrestin-2-to-reverse-morphine-tolerance-in-rats
#7
Jian Wang, Wei Xu, Tao Zhong, Zongbin Song, Yu Zou, Zhuofeng Ding, Qulian Guo, Xinzhong Dong, Wangyuan Zou
Morphine tolerance is a challenging clinical problem that limits its clinical application in pain treatment. Non-coding microRNAs (miRNAs) modulate gene expression in a post transcriptional manner, and their dysregulation causes various diseases. However, the significance of miRNAs in morphine tolerance is still poorly understood. In the present study, we hypothesized that microRNA-365 (miR-365) is a key functional small RNA that reverses morphine tolerance through regulation of β-arrestin 2 in rats. Here, microarray analysis and quantitative real-time PCR showed that miR-365 was robustly decreased in the spinal cord after chronic morphine administration...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27770129/microrna-16-alleviates-inflammatory-pain-by-targeting-ras-related-protein-23-rab23-and-inhibiting-p38-mapk-activation
#8
Wenjin Chen, Shengdong Guo, Shenggang Wang
BACKGROUND The purpose of our study was to determine the functional role of microRNA (miR)-16 in chronic inflammatory pain and to disclose its underlying molecular mechanism. MATERIAL AND METHODS Inflammatory pain was induced by injection of complete Freund's adjuvant (CFA) to Wistar rats. The pWPXL-miR-16, PcDNA3.1- Ras-related protein (RAB23), and/or SB203580 were delivered intrathecally to the rats. Behavioral tests were detected at 0 h, 4 h, 1 d, 4 d, 7 d, and 14 d after CFA injection. After behavioral tests, L4-L6 dorsal spinal cord were obtained and the levels of miR-16, RAB23, and phosphorylation of p38 (p-p38) were evaluated by quantitative real-time PCR (qRT-PCR)...
October 22, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27765894/microrna-30b-regulates-expression-of-the-sodium-channel-nav1-7-in-nerve-injury-induced-neuropathic-pain-in-the-rat
#9
Jinping Shao, Jing Cao, Jiannan Wang, Xiuhua Ren, Songxue Su, Ming Li, Zhihua Li, Qingzan Zhao, Weidong Zang
Voltage-gated sodium channels, which are involved in pain pathways, have emerged as major targets for therapeutic intervention in pain disorders. Nav1.7, the tetrodotoxin-sensitive voltage-gated sodium channel isoform encoded by SCN9A and predominantly expressed in pain-sensing neurons in the dorsal root ganglion, plays a crucial role in nociception. MicroRNAs are highly conserved, small non-coding RNAs. Through binding to the 3' untranslated region of their target mRNAs, microRNAs induce the cleavage and/or inhibition of protein translation...
2016: Molecular Pain
https://www.readbyqxmd.com/read/27697141/follicular-t-helper-cells-and-il-21-in-rheumatic-diseases
#10
REVIEW
Tue Kruse Rasmussen
Rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) are lifelong diseases with increased mortality and chronic pains. They are both characterized by immunological imbalances causing the immune system attack and destroy the bodies own tissues (called autoimmune disease). The best treatment, we are currently able to offer these patients, cause significant side-effects and can not prevent significant loss of quality of life. At the heart of the disease mechanisms in RA and SLE are subsets of immune cells called T and B cells...
October 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27690835/microrna-320a-predicts-chronic-axial-and-widespread-pain-development-following-motor-vehicle-collision-in-a-stress-dependent-manner
#11
Sarah D Linnstaedt, Kyle D Riker, Margaret G Walker, Jennifer E Nyland, Erin Zimny, Christopher Lewandowski, Phyllis L Hendry, Kathia Damiron, Claire Pearson, Marc-Anthony Velilla, Jeffrey Jones, Robert A Swor, Robert Domeier, Samuel A McLean
Study Design Prospective human cohort study combined with molecular studies. Background A microRNA is a small, noncoding RNA molecule that can play a role in disease onset. Recent studies found that circulating levels of microRNA 320a (miR-320a) are associated with musculoskeletal pain conditions and that miR-320a is stress responsive. Objectives To investigate whether circulating expression levels of miR-320a in the peritraumatic period predict persistent axial musculoskeletal pain 6 months after motor vehicle collision (MVC)...
October 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27599867/downregulation-of-mir-219-enhances-brain-derived-neurotrophic-factor-production-in-mouse-dorsal-root-ganglia-to-mediate-morphine-analgesic-tolerance-by-upregulating-camkii%C3%AE
#12
Xue-Ming Hu, Shou-Bin Cao, Hai-Long Zhang, Dong-Mei Lyu, Li-Ping Chen, Heng Xu, Zhi-Qiang Pan, Wen Shen
BACKGROUND: Increasing evidence suggests that microRNAs are functionally involved in the initiation and maintenance of pain hypersensitivity, including chronic morphine analgesic tolerance, through the posttranscriptional regulation of pain-related genes. We have previously demonstrated that miR-219 regulates inflammatory pain in the spinal cord by targeting calcium/calmodulin-dependent protein kinase II gamma (CaMKIIγ). However, whether miR-219 regulates CaMKIIγ expression in the dorsal root ganglia to mediate morphine tolerance remains unclear...
2016: Molecular Pain
https://www.readbyqxmd.com/read/27438293/on-the-prospect-of-clinical-utilization-of-micrornas-as-biomarkers-or-treatment-of-chronic-pain-a-comment-on-increased-mir-132-3p-expression-is-associated-with-chronic-neuropathic-pain
#13
Hjalte H Andersen, Kasper B Johnsen, Lars Arendt-Nielsen
No abstract text is available yet for this article.
July 17, 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27429177/increased-cutaneous-mir-let-7d-expression-correlates-with-small-nerve-fiber-pathology-in-patients-with-fibromyalgia-syndrome
#14
Mathias Leinders, Kathrin Doppler, Thomas Klein, Maximiliane Deckart, Heike Rittner, Claudia Sommer, Nurcan Üçeyler
Fibromyalgia syndrome (FMS) is a chronic widespread pain condition probably comprising subgroups with different underlying pathomechanisms. There is increasing evidence for small nerve fiber impairment in subgroups of patients with FMS. MicroRNAs (miRNA) regulate molecular factors determining nerve de- and regeneration. We investigated whether systemic and cutaneous miRNA expression in FMS patients is related to small nerve fiber pathology. We confirmed previous findings of disturbed small fiber function and of reduced intraepidermal nerve fiber density in subgroups of patients with FMS...
July 15, 2016: Pain
https://www.readbyqxmd.com/read/27390915/expression-of-mirna-124a-in-cd4-cells-reflects-response-to-a-multidisciplinary-treatment-program-in-patients-with-chronic-low-back-pain
#15
Benjamin Luchting, Jens Heyn, Ludwig Christian Hinske, Shahnaz Christina Azad
STUDY DESIGN: Prospective evaluation of miRNA expression in patients with chronic low back pain (CLBP). OBJECTIVE: To evaluate whether pain and T cell related miRNAs are differentially expressed in CLBP when compared to healthy volunteers and whether these miRNAs may distinguish between responders and non-responders to a multidisciplinary treatment program. SUMMARY OF BACKGROUND DATA: CLBP is a common health problem worldwide. Multidisciplinary pain treatment programs have been proven as effective treatment option...
July 7, 2016: Spine
https://www.readbyqxmd.com/read/27349406/increased-mir-132-3p-expression-is-associated-with-chronic-neuropathic-pain
#16
M Leinders, N Üçeyler, R A Pritchard, C Sommer, L S Sorkin
Alterations in the neuro-immune balance play a major role in the pathophysiology of chronic neuropathic pain. MicroRNAs (miRNA) can regulate both immune and neuronal processes and may function as master switches in chronic pain development and maintenance. We set out to analyze the role of miR-132-3p, first in patients with peripheral neuropathies and second in an animal model of neuropathic pain. We initially determined miR-132-3p expression by measuring its levels in white blood cells (WBC) of 30 patients and 30 healthy controls and next in sural nerve biopsies of 81 patients with painful or painless inflammatory or non-inflammatory neuropathies based on clinical diagnosis...
September 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27346077/microrna-1-associated-effects-of-neuron-specific-brain-derived-neurotrophic-factor-gene-deletion-in-dorsal-root-ganglia
#17
Elena Neumann, Timo Brandenburger, Sonia Santana-Varela, René Deenen, Karl Köhrer, Inge Bauer, Henning Hermanns, John N Wood, Jing Zhao, Robert Werdehausen
BACKGROUND: MicroRNAs (miRNAs) regulate gene expression in physiological as well as in pathological processes, including chronic pain. Whether deletion of a gene can affect expression of the miRNAs that associate with the deleted gene mRNA remains elusive. We investigated the effects of brain-derived neurotrophic factor (Bdnf) gene deletion on the expression of miR-1 in dorsal root ganglion (DRG) neurons and its pain-associated downstream targets heat shock protein 60 (Hsp60) and connexin 43 (Cx43) in tamoxifen-inducible conditional knockout mice, Bdnf(fl/fl); Advillin-CreER(T2) (Bdnf cKO)...
September 2016: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/27221957/editor-s-choice-biomarkers-of-acute-cardiovascular-and-pulmonary-diseases
#18
REVIEW
Toru Suzuki, Alexander Lyon, Rajeev Saggar, Liam M Heaney, Kenichi Aizawa, Antonio Cittadini, Ciro Mauro, Rodolfo Citro, Giuseppe Limongelli, Francesco Ferrara, Olga Vriz, Andrew Morley-Smith, Paolo Calabrò, Eduardo Bossone
Acute cardiothoracic and respiratory diseases frequently remain a challenge to diagnose and differentiate in the emergency setting. The main diseases that manifest with chest pain include ischaemic heart disease, myocarditis, acute pericarditis, aortic dissection/rupture and pulmonary embolism (PE). Diseases that primarily present with dyspnoea include heart failure (HF), acute respiratory distress syndrome (ARDS), pneumonia, asthma exacerbations and chronic obstructive pulmonary disease. Pre-test probabilities of clinical findings play a vital part in diagnostic decisions, and the use of a Bayesian approach to these greatly improves the ability to stratify patients more accurately...
September 2016: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/27132058/blood-biomarkers-for-the-non-invasive-diagnosis-of-endometriosis
#19
REVIEW
Vicki Nisenblat, Patrick M M Bossuyt, Rabia Shaikh, Cindy Farquhar, Vanessa Jordan, Carola S Scheffers, Ben Willem J Mol, Neil Johnson, M Louise Hull
BACKGROUND: About 10% of reproductive-aged women suffer from endometriosis, a costly chronic disease causing pelvic pain and subfertility. Laparoscopy is the gold standard diagnostic test for endometriosis, but is expensive and carries surgical risks. Currently, there are no non-invasive or minimally invasive tests available in clinical practice to accurately diagnose endometriosis. Although other reviews have assessed the ability of blood tests to diagnose endometriosis, this is the first review to use Cochrane methods, providing an update on the rapidly expanding literature in this field...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27059231/inhibition-of-microrna-221-alleviates-neuropathic-pain-through-targeting-suppressor-of-cytokine-signaling-1
#20
Li Xia, Yunlong Zhang, Tieli Dong
Neuropathic pain results in considerable trouble to people's physical and mental health. The pathophysiological mechanisms underlying its occurrence and development remain unclear. A large number of experiments show that microRNAs (miRNAs) play a major role in the pathogenesis of neuropathic pain and neuroinflammation resulting from nerve injury. Among various miRNAs, microRNA-221 (miR-221) overexpression has been reported in a chronic constrictive injury (CCI)-induced rat model of neuropathic pain. However, the role of miR-221 in the regulation of neuropathic pain is unknown...
July 2016: Journal of Molecular Neuroscience: MN
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