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https://www.readbyqxmd.com/read/29150945/development-of-an-in-vivo-mouse-model-of-discogenic-low-back-pain
#1
Changgui Shi, Vaskar Das, Xin Li, Ranjan Kc, Sujun Qiu, InSug O-Sullivan, Richard L Ripper, Jeffrey S Kroin, Fackson Mwale, Atiyayein A Wallace, Bingqian Zhu, Lan Zhao, Andre J van Wijnen, Mingliang Ji, Jun Lu, Gina Votta-Velis, Wen Yuan, Hee-Jeong Im
Discogenic Low back pain (DLBP) is extremely common and costly. Effective treatments are lacking due to DLBP's unknown pathogenesis. Currently, there are no in vivo mouse models of DLBP, which restricts research in this field. The aim of this study was to establish a reliable DLBP model in mouse that captures the pathological changes in the disc and allows longitudinal pain testing. The model was generated by puncturing the mouse lumbar discs (L4/5, L5/6, and L6/S1) and removing the nucleus pulposus using a microscalpel under the microscope...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150266/interleukin-35-and-hepatocyte-growth-factor-as-a-novel-combined-immune-gene-therapy-for-multiple-sclerosis-disease
#2
Samira Moghadam, Maryam Erfanmanesh, Abdolreza Esmaeilzadeh
An autoimmune demyelination disease of the Central Nervous System, Multiple Sclerosis, is a chronic inflammation which mostly involves young adults. Suffering people face functional loss with a severe pain. Most current MS treatments are focused on the immune response suppression. Approved drugs suppress the inflammatory process, but factually, there is no definite cure for Multiple Sclerosis. Recently developed knowledge has demonstrated that gene and cell therapy as a hopeful approach in tissue regeneration...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29149474/interventions-for-old-world-cutaneous-leishmaniasis
#3
REVIEW
Julio Heras-Mosteiro, Begoña Monge-Maillo, Mariona Pinart, Patricia Lopez Pereira, Emely Garcia-Carrasco, Pedro Campuzano Cuadrado, Ana Royuela, Irene Mendez Roman, Rogelio López-Vélez
BACKGROUND: Cutaneous leishmaniasis, caused by a parasitic infection, is considered one of the most serious skin diseases in many low- and middle-income countries. Old World cutaneous leishmaniasis (OWCL) is caused by species found in Africa, Asia, the Middle East, the Mediterranean, and India. The most commonly prescribed treatments are antimonials, but other drugs have been used with varying success. As OWCL tends to heal spontaneously, it is necessary to justify the use of systemic and topical treatments...
November 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29149236/mutations-affecting-glycinergic-neurotransmission-in-hyperekplexia-increase-pain-sensitivity
#4
Pascal Henri Vuilleumier, Raphael Fritsche, Jürg Schliessbach, Bernhard Schmitt, Lars Arendt-Nielsen, Hanns Ulrich Zeilhofer, Michele Curatolo
Inhibitory interneurons in the spinal cord use glycine and GABA for fast inhibitory neurotransmission. While there is abundant research on these inhibitory pain pathways in animal models, their relevance in humans remains unclear, largely due to the limited possibility to manipulate selectively these pathways in humans. Hyperekplexia is a rare human disease that is caused by loss-of-function mutations in genes encoding for glycine receptors and glycine transporters. In the present study, we tested whether hyperekplexia patients display altered pain perception or central pain modulation compared with healthy subjects...
November 15, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29149159/in-errata-cost-utility-analysis-of-lumbar-interlaminar-epidural-injections-in-the-treatment-of-lumbar-disc-herniation-central-spinal-stenosis-and-axial-or-discogenic-low-back-pain
#5
https://www.readbyqxmd.com/read/29149149/decreased-regional-grey-matter-volume-in-women-with-chronic-whiplash-associated-disorders-relationships-with-cognitive-deficits-and-disturbed-pain-processing
#6
Iris Coppieters, Robby De Pauw, Karen Caeyenberghs, Lieven Danneels, Jeroen Kregel, Astrid Pattyn, Mira Meeus, Barbara Cagnie
BACKGROUND: Patients with chronic whiplash-associated disorders (CWAD) are characterized by pain of traumatic origin, cognitive deficits, and central sensitization (CS). Previous neuroimaging studies revealed altered grey matter volume (GMV) in mild traumatic brain injury patients and chronic pain conditions also characterized by CS. It can therefore be hypothesized that GMV alterations also play a role in the persistent complaints of CWAD. However, brain alterations remain poorly investigated in these patients...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29149140/optimization-of-postoperative-intravenous-patient-controlled-analgesia-with-opioid-dexmedetomidine-combinations-an-updated-meta-analysis-with-trial-sequential-analysis-of-randomized-controlled-trials
#7
Ke Peng, Juan Zhang, Xiao-Wen Meng, Hua-Yue Liu, Fu-Hai Ji
BACKGROUND: It is still a challenge to optimize postoperative pain management. The effects of adding dexmedetomidine (DEX) to opioid-based postoperative intravenous patient-controlled analgesia (PCA) are not fully understood. OBJECTIVES: The aim of this study is to assess the efficacy and safety of opioid-DEX combinations for postoperative PCA, and a trial sequential analysis (TSA) is utilized to evaluate the robustness of the current evidence. STUDY DESIGN: A systematic review and meta-analysis...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29146590/camkii%C3%AE-mediates-the-effect-of-il-17-to-promote-ongoing-spontaneous-and-evoked-pain-in-multiple-sclerosis
#8
Xiaoyu Hu, Fang Huang, Zaijie Jim Wang
Pain is a common and severe symptom in multiple sclerosis (MS), a chronic inflammatory and demyelinating disease of the central nervous system. The neurobiological mechanism underlying MS pain is poorly understood. In this study, we investigated the role of Ca(2+)/calmodulin dependent kinase type IIα (CaMKIIα) in driving chronic pain in MS using a mouse experimental autoimmune encephalomyelitis (EAE) model. We found that spinal CaMKIIα activity was enhanced in EAE correlating with the development of ongoing spontaneous pain and evoked hypersensitivity to mechanical and thermal stimuli...
November 16, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29145012/the-gut-brain-interaction-in-opioid-tolerance
#9
REVIEW
Hamid I Akbarali, William L Dewey
The prevailing opioid crisis has necessitated the need to understand mechanisms leading to addiction and tolerance, the major contributors to overdose and death and to develop strategies for developing drugs for pain treatment that lack abuse liability and side-effects. Opioids are commonly used for treatment of pain and symptoms of inflammatory bowel disease. The significant effect of opioids in the gut, both acute and chronic, includes persistent constipation and paradoxically may also worsen pain symptoms...
November 13, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29143414/central-pain-processing-in-drug-na%C3%A3-ve-pain-free-patients-with-parkinson-s-disease
#10
Alessandro Tessitore, Antonio Russo, Rosa De Micco, Michele Fratello, Giuseppina Caiazzo, Alfonso Giordano, Mario Cirillo, Gioacchino Tedeschi, Fabrizio Esposito
BACKGROUND: Despite its clinical relevance, the pathophysiology of pain in Parkinson's disease (PD) is still largely unknown, and both central and peripheral mechanisms have been invoked. OBJECTIVES: To investigate whether central pain processing is altered in "drug-naive" pain-free PD (dnPD) patients. METHODS: Using event-related functional MRI (fMRI), functional response to forearm heat stimulation (FHS) at two different intensities (41°C and 53°C) was investigated in 20 pain-free dnPD patients, compared with 18 healthy controls (HCs)...
November 15, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29142546/comparison-of-analgesic-effect-of-preoperative-topical-diclofenac-versus-ketorolac-on-postoperative-pain-after-corneal-collagen-cross-linkage
#11
Murtaza Sameen, Muhammad Saim Khan, Asad Habib, Muhammad Amer Yaqub, Mazhar Ishaq
Objective: To compare post-operative pain relieving effect of topical diclofenac 0.1% versus ketorolac 0.5% in Corneal Collagen Cross Linking (CXL) for patients diagnosed with keratoconus. Methods: This randomized controlled trial was carried out for six months from October 2016 to March 2017. We included young patients having keratoconus with k-readings greater than 47D and central corneal thickness more than 400 microns. All the patients received single dose one drop of topical diclofenac 0...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29141251/opioid-receptors-contribute-to-antinociceptive-effect-of-tianeptine-on-colorectal-distension-induced-visceral-pain-in-rats
#12
S Sırrı Bilge, Fatih İlkaya, Özge Darakcı, Engin Çiftcioğlu, Ayhan Bozkurt
Tianeptine is a clinically effective atypical antidepressant with distinct neurochemical properties. In this study, we aimed to investigate the contribution of opioid receptors in the antinociceptive effect of tianeptine on visceral pain in awake rats and to differentiate the subtype and the localization (central and/or peripheral) of these opioid receptors involved in this antinociception. Visceromotor response to noxious colorectal distension (CRD) was quantified with electromyographic recordings, obtained from previously implanted electrodes into the external oblique musculature of rats under anesthesia, before and after tianeptine administration...
November 15, 2017: Pharmacology
https://www.readbyqxmd.com/read/29140960/radiofrequency-procedures-to-relieve-chronic-hip-pain-an-evidence-based-narrative-review
#13
Anuj Bhatia, Yasmine Hoydonckx, Philip Peng, Steven P Cohen
BACKGROUND AND OBJECTIVES: Chronic hip pain from osteoarthritis and other degenerative conditions is a common problem. A few publications have recently reported analgesic success of radiofrequency (RF) procedures on nerves innervating the hip, but interpretation is hampered by lack of clarity regarding indications, clinical protocols, anatomic targets, and longevity of benefit from RF procedures. METHODS: We reviewed the following medical literature databases for publications on RF procedures on the hip joint for chronic pain: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, and Google Scholar through February 28, 2017...
November 14, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29140923/il-4-mediates-the-analgesia-produced-by-low-intensity-exercise-in-mice-with-neuropathic-pain
#14
Franciane Bobinski, Juliana Maia Teixeira, Kathleen Anne Sluka, Adair Roberto Soares Santos
Peripheral nerve injury (PNI) activates the immune system resulting in increased pro-inflammatory cytokines at the site of injury and in the spinal cord dorsal horn. Exercise modulates the immune system promoting an anti-inflammatory phenotype of macrophages in uninjured muscle, and increases in anti-inflammatory cytokines can promote healing and analgesia. We proposed that PNI will decrease, and treadmill exercise will increase, release of anti-inflammatory cytokines at the site of injury and in the spinal cord...
November 13, 2017: Pain
https://www.readbyqxmd.com/read/29140922/fingolimod-reduces-neuropathic-pain-behaviors-in-a-mouse-model-of-multiple-sclerosis-by-a-sphingosine-1-phosphate-receptor-1-dependent-inhibition-of-central-sensitization-in-the-dorsal-horn
#15
Suzanne Doolen, Tommaso Iannitti, Benjamin C Shaw, Carolyn M Grachen, Renee R Donahue, Bradley K Taylor
Multiple sclerosis (MS) is an autoimmune-inflammatory neurodegenerative disease that is often accompanied by a debilitating neuropathic pain. Disease-modifying agents slow the progression of MS and prevent relapses, yet it remains unclear if they yield analgesia. We explored the analgesic potential of fingolimod (FTY720), an agonist/functional antagonist at the sphingosine-1-phosphate receptor 1 (S1PR1), because it reduces hyperalgesia in models of peripheral inflammatory and neuropathic pain. We used a myelin oligodendrocyte glycoprotein 35-55 (MOG35-55) mouse model of experimental autoimmune encephalomyelitis (EAE), modified to avoid frank paralysis and thus allow for assessment of withdrawal behaviors to somatosensory stimuli...
November 13, 2017: Pain
https://www.readbyqxmd.com/read/29140183/full-title-examining-the-presence-of-back-pain-in-competitive-athletes-a-focus-on-stress-and-recovery
#16
Jahan Heidari, Johanna Belz, Monika Hasenbring, Jens Kleinert, Claudia Levenig, Michael Kellmann
Context - Explanatory approaches for back pain (BP) in athletes focus on biomechanical factors while neglecting psychological perspectives. Psychological factors have gained importance in the prediction of injuries in athletes and BP in the general population, with stress and recovery emerging as central risk factors. However, scarce evidence exists regarding the role of these aspects for the prevalent burden of back pain (BP). Objective - To investigate the association between stress and recovery parameters and the presence of BP...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29139482/opioid-misuse-in-gastroenterology-and-non-opioid-management-of-abdominal-pain
#17
REVIEW
Eva Szigethy, Mitchell Knisely, Douglas Drossman
Opioids were one of the earliest classes of medications used for pain across a variety of conditions, but morbidity and mortality have been increasingly associated with their chronic use. Despite these negative consequences, chronic opioid use is increasing worldwide, with the USA and Canada having the highest rates. Chronic opioid use for noncancer pain can have particularly negative effects in the gastrointestinal and central nervous systems, including opioid-induced constipation, narcotic bowel syndrome, worsening psychopathology and addiction...
November 15, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29139250/-clinical-safety-imtensive-hospital-monitoring-on-shenfu-injection-with-30-106-cases
#18
Zhi-Fei Wang, Jin-Yang Yu, Yan-Ming Xie
This paper is to report the implementation and results of safety monitoring of Shenfu injection. Prospective, multicenter, large sample, registry-type centralized hospital monitoring mode was used, and the three-level quality control and anti-omissive mechanisms were used strictly. In the monitoring was carried out in 28 hospitals and lasted for 4 years. 30 106 patients were registered; ADE occurred in 114 patients, and ADR was identified in 23 patients with an incidence rate of 0.076% for ADR [95% confidence interval (0...
August 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29139105/preoperative-medical-therapy-before-surgery-for-uterine-fibroids
#19
REVIEW
Anne Lethaby, Lucian Puscasiu, Beverley Vollenhoven
BACKGROUND: Uterine fibroids occur in up to 40% of women aged over 35 years. Some are asymptomatic, but up to 50% cause symptoms that warrant therapy. Symptoms include anaemia caused by heavy menstrual bleeding, pelvic pain, dysmenorrhoea, infertility and low quality of life. Surgery is the first choice of treatment. In recent years, medical therapies have been used before surgery to improve intraoperative and postoperative outcomes. However, such therapies tend to be expensive.Fibroid growth is stimulated by oestrogen...
November 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29138928/mechanisms-of-drug-binding-to-voltage-gated-sodium-channels
#20
M E O'Leary, M Chahine
Voltage-gated sodium (Na(+)) channels are expressed in virtually all electrically excitable tissues and are essential for muscle contraction and the conduction of impulses within the peripheral and central nervous systems. Genetic disorders that disrupt the function of these channels produce an array of Na(+) channelopathies resulting in neuronal impairment, chronic pain, neuromuscular pathologies, and cardiac arrhythmias. Because of their importance to the conduction of electrical signals, Na(+) channels are the target of a wide variety of local anesthetic, antiarrhythmic, anticonvulsant, and antidepressant drugs...
November 15, 2017: Handbook of Experimental Pharmacology
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