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https://www.readbyqxmd.com/read/28726567/possible-mechanisms-involved-in-the-anti-nociceptive-effects-of-hydro-ethanolic-leaf-extract-of-ziziphus-abyssinica
#1
Eric Boakye-Gyasi, Isaac Tabiri Henneh, Wonder Kofi Mensah Abotsi, Elvis Ofori Ameyaw, Eric Woode
CONTEXT: Various parts of Ziziphus abyssinica Hochst ex. A. Rich (Rhamnaceae) have been used in Ghanaian and African traditional medicine as an analgesic. However, there are little scientific data to support the anti-nociceptive effects of the hydro-ethanolic leaf extract of Ziziphus abyssinica (EthE) as well as the possible mechanisms involved in its anti-nociceptive effects. PURPOSE: To predict possible nociceptive pathways involved in the anti-nociceptive effects of EthE...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28724217/chondroprotective-and-anti-nociceptive-effects-of-caffeoylquinic-acid-in-osteoarthritis-by-downregulating-catabolic-activity-and-oxidative-damage-in-chondrocytes
#2
Luping Liu, Yongmei Li
We evaluated the chondroprotective and anti-nociceptive effects of caffeoylquinic acid (CA) in a rat osteoarthritis (OA) model. Monosodium iodoacetate was injected intra-articularly in the rats to produce OA. The rats were divided into three groups: control, OA group, which received vehicle, and the CA-treated group, which received CA (50mg/kg, p.o.) for 14days. At the end of the protocol, pain was estimated by observing the paw withdrawal threshold and latency. Degeneration of cartilage was assessed through histomorphological and microscopical examination of joints...
July 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28717065/comparison-of-postoperative-pain-and-inflammation-reaction-in-dogs-undergoing-preventive-laparoscopic-assisted-and-incisional-gastropexy
#3
Tomoya Haraguchi, Shiho Kimura, Harumichi Itoh, Shinpei Nishikawa, Masato Hiyama, Kenji Tani, Toshie Iseri, Yoshiki Itoh, Munekazu Nakaichi, Yasuho Taura, Kazuhito Itamoto
This study compared the effects of postoperative pain and inflammation reaction after preventive laparoscopic-assisted gastropexy (LAG) and incisional gastropexy (IG) in 10 clinically normal Beagles. Surgical time, incision length, visual analog scale (VAS) score, University of Melbourne Pain Scale (UMPS) score, and plasma C-reactive protein (CRP), plasma cortisol (COR), and serum interleukin-6 (IL-6) levels were evaluated. The VAS and UMPS scores and COR and IL-6 levels were recorded at 0.5, 1, 2, 4, 8, 12, 18 and 24 hr after surgery...
July 17, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28714016/elastin%C3%A2-derived-peptides-are-involved-in-the-processes-of-human-temporomandibular-disorder-by-inducing-inflammatory-responses-in-synovial-cells
#4
Kazuhiko Kobayashi, Rei Jokaji, Mayuko Miyazawa-Hira, Shigeyuki Takatsuka, Akira Tanaka, Kazuhiro Ooi, Hiroyuki Nakamura, Shuichi Kawashiri
Temporomandibular joint dysfunction (TMD) is a collection of clinical symptoms that involve masticatory muscles and the temporomandibular joint (TMJ). Common symptoms include limited jaw motion and joint sound/pain, along with TMJ disc displacement. TMD is frequently associated with synovitis, a chronic inflammation of the synovium. Fibroblast‑like synovial cells have been identified to produce several inflammatory mediators and may have an important role in the progression of TMJ inflammation. Degradation of the extracellular matrix molecule elastin may lead to the release of bioactive peptides...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28710563/an-observational-study-examining-the-effects-of-a-surgically-induced-inflammatory-response-on-the-distribution-of-morphine-and-its-metabolites-into-cerebrospinal-fluid
#5
Yan Wang, Kerry B Goralski, Derek J Roberts, Kathryn Landry, Mark E Issa, Lekha Sleno, Lisa C Julien, Jeremy Wood, Richard I Hall
PURPOSE: Morphine is administered intravenously for pain management in the perioperative period. The effect of the inflammatory response to surgery on morphine distribution across the blood-brain barrier (BBB) in humans was investigated. We hypothesized that a graded surgically induced, systemic inflammatory response alters cerebrospinal fluid (CSF) levels of morphine, morphine-3-glucuronide (M3G), and morphine-6-glucuronide (M6G) through a temporary reduction in BBB drug efflux transporter function...
July 14, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28697991/carbamazepine-effects-on-pain-management-and-serum-il-6-il-10-evaluation-in-addicted-patients-undergoing-surgery
#6
Alireza Salimi, Masoumeh Sabetkasaei, Hanna Raisi, Farzaneh Labibi, Haleh Ameli, Yalda Khazaei-Poul, Kamran Mottaghi, Farhad Safari, Ali Nazem-Bokaei, Seyed-Amir Mohajerani, Malek Zarei, Taraneh Moini-Zanjani
Postoperative pain control remains an important issue in the field of surgery. Assessing and managing patients with acute pain who are addicted to opioids are often challenging. It has been shown that, addicted patients are less tolerant to pain. There is limited evidence to guide the management of acute pain in these patients. Here we studied the effect of preemptive use of carbamazepine on pain behavior and serum IL-6, IL-10 levels in the addicted patients. 90 male patients (25-45 years, BMI 20-27), were divided into 3 group of 30 patients: 1- control, 2- addicted, 3- addicted patients receiving carbamazepine 400mg before surgery...
July 8, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28697402/functional-biocompatibility-testing-of-silicone-breast-implants-and-a-novel-classification-system-based-on-surface-roughness
#7
S Barr, E W Hill, A Bayat
PURPOSE: Increasing numbers of women undergo breast implantation for cosmetic and reconstructive purposes. Contracture of the fibrous capsule, which encases the implant leads to significant pain and reoperation. Texture, wettability and the cellular reaction to implant surfaces are poorly understood determinants of implant biocompatibility. The aim of this study was to evaluate the in-vitro characteristics of a range of commercial available implants using a macrophage based assay of implant biocompatibility and a quantitative assessment of wettability and texture...
June 27, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28685867/mir-150-alleviates-neuropathic-pain-via-inhibiting-toll-like-receptor-5
#8
Li-Juan Ji, 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...
July 7, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28676350/the-effects-of-interleukin-6-neutralizing-antibodies-on-symptoms-of-depressed-mood-and-anhedonia-in-patients-with-rheumatoid-arthritis-and-multicentric-castleman-s-disease
#9
Yu Sun, Dai Wang, Giacomo Salvadore, Benjamin Hsu, Mark Curran, Corey Casper, Jessica Vermeulen, Justine M Kent, Jaskaran Singh, Wayne C Drevets, Gayle M Wittenberg, Guang Chen
Cytokines, including interleukin-6 (IL-6), modulate neuronal plasticity and stress coping. Depressive symptoms and major depressive disorder (MDD) have been associated with changes in cytokines and their signaling. The current study examined the effect of IL-6 monoclonal antibody administration on depressive symptoms in patients with rheumatoid arthritis (RA) or multicentric Castleman's disease (MCD). The data were obtained from two phase 2, double-blind, placebo-controlled trials designed to test the efficacy of sirukumab in RA (N=176) or of siltuximab in MCD (N=65), and were analyzed post hoc to investigate the effects of these IL6 antibodies on depressive symptoms...
July 1, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28676344/crispr-epigenome-editing-of-akap150-in-drg-neurons-abolishes-degenerative-ivd-induced-neuronal-activation
#10
Joshua D Stover, Niloofar Farhang, Kristofer C Berrett, Jason Gertz, Brandon Lawrence, Robby D Bowles
Back pain is a major contributor to disability and has significant socioeconomic impacts worldwide. The degenerative intervertebral disc (IVD) has been hypothesized to contribute to back pain, but a better understanding of the interactions between the degenerative IVD and nociceptive neurons innervating the disc and treatment strategies that directly target these interactions is needed to improve our understanding and treatment of back pain. We investigated degenerative IVD-induced changes to dorsal root ganglion (DRG) neuron activity and utilized CRISPR epigenome editing as a neuromodulation strategy...
July 1, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28674170/the-mnk-eif4e-signaling-axis-contributes-to-injury-induced-nociceptive-plasticity-and-the-development-of-chronic-pain
#11
Jamie K Moy, Arkady Khoutorsky, Marina N Asiedu, Bryan J Black, Jasper L Kuhn, Paulino Barragán-Iglesias, Salim Megat, Michael D Burton, Carolina C Burgos-Vega, Ohannes K Melemedjian, Scott Boitano, Josef Vagner, Christos G Gkogkas, Joseph J Pancrazio, Jeffrey S Mogil, Gregory Dussor, Nahum Sonenberg, Theodore J Price
Injury-induced sensitization of nociceptors contributes to pain states and the development of chronic pain. Inhibiting activity-dependent mRNA translation through mechanistic target of rapamycin (mTOR) and mitogen activated protein kinase (MAPK) pathways blocks the development of nociceptor sensitization. These pathways convergently signal to the eukaryotic translation initiation factor (eIF) 4F complex to regulate sensitization of nociceptors but the details of this process are ill-defined. Here we investigated the hypothesis that phosphorylation of the 5' cap-binding protein, eIF4E, by its specific kinase MAPK interacting kinase (MNK) 1/2 is a key factor in nociceptor sensitization and the development of chronic pain...
July 3, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28671636/neuroprotective-and-anti-inflammatory-activities-of-allyl-isothiocyanate-through-attenuation-of-jnk-nf-%C3%AE%C2%BAb-tnf-%C3%AE-signaling
#12
Lalita Subedi, Ramu Venkatesan, Sun Yeou Kim
Allyl isothiocyanate (AITC), present in Wasabia japonica (wasabi), is an aliphatic isothiocyanate derived from the precursor sinigrin, which is a glucosinolate present in vegetables of the Brassica family. Traditionally, it has been used to treat rheumatic arthralgia, blood circulation, and pain. This study focuses on its anti-apoptotic activity through the regulation of lipopolysaccharide (LPS)-induced neuroinflammation. Furthermore, we assessed its neuroprotective efficacy, which it achieves through the upregulation of nerve growth factor (NGF) production...
July 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28670416/correlation-among-inflammatory-cytokine-expression-levels-degree-of-disk-degeneration-and-predominant-clinical-symptoms-in-patients-with-degenerated-intervertebral-discs
#13
Takeshi Sainoh, Kazuhide Inage, Sumihisa Orita, Masao Koda, Takeo Furuya, Kazuyo Yamauchi, Miyako Suzuki, Yoshihiro Sakuma, Go Kubota, Yasuhiro Oikawa, Jun Sato, Kazuki Fujimoto, Yasuhiro Shiga, Koki Abe, Hirohito Kanamoto, Masahiro Inoue, Hideyuki Kinoshita, Masaki Norimoto, Tomotaka Umimura, Kazuhisa Takahashi, Seiji Ohtori
STUDY DESIGN: Observational study. PURPOSE: To assess the correlation among inflammatory cytokine expression levels, degree of intervertebral disk (IVD) degeneration, and predominant clinical symptoms observed in degenerative disk disease (DDD). OVERVIEW OF LITERATURE: Low back pain (LBP) is associated with inflammatory cytokine expression levels, including those of tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), and nerve growth factor (NGF)...
June 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28668500/toll-like-receptor-4-p38-mapk-signaling-in-the-dorsal-horn-contributes-to-p2x4-receptor-activation-and-bdnf-over-secretion-in-cancer-induced-bone-pain
#14
Xiao-Wen Meng, Jian-Ling Gao, Jian-Ling Zuo, Li-Na Wang, Si-Lan Liu, Xiao-Hong Jin, Ming Yao, Michael Namaka
Our previous research suggested that the P2X4 receptor (P2X4R) expression in microglia was involved in the activation of toll-like receptor-4 (TLR4) in the dorsal horn in the rat model of cancer induced bone pain (CIBP). In this study, we focused on whether TLR4- mitogen-activated protein kinases, p38 (p38 MAPK) contributes to P2X4R activation and brain-derived neurotrophic factor (BDNF) over-secretion in CIBP. In in vitro experiment, the results showed that BDNF expression evoked by ATP stimulation was dependent on TLR4-p38...
June 28, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28668088/transforming-growth-factor-activating-kinase-1-regulates-extracellular-matrix-degrading-enzymes-and-pain-related-molecule-expression-following-tumor-necrosis-factor-%C3%AE-stimulation-of-synovial-cells-an-in-vitro-study
#15
Kentaro Uchida, Shotaro Takano, Toshihide Matsumoto, Naoshige Nagura, Gen Inoue, Makoto Itakura, Masayuki Miyagi, Jun Aikawa, Dai Iwase, Atsushi Minatani, Hisako Fujimaki, Masashi Takaso
BACKGROUND: Recent studies have suggested that the tumor necrosis factor-α (TNF-α) pathway is a potential target for the management of osteoarthritis (OA). Transforming growth factor (TGF)-β-activated kinase 1 (TAK1) is essential in several cytokine-mediated cascades, including the TNF-α, interleukin-1 (IL-1), and TGF-β pathways. The role of TAK1 in synovial tissue in OA is not fully understood. Using synovial cells harvested from OA patients during surgery, we investigated whether TAK1 inhibition suppresses production of TNF-α-induced extracellular matrix degrading enzymes and expression of pain-related molecules...
July 1, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28663035/inhibition-of-interleukin-6-function-attenuates-the-central-sensitization-and-pain-behavior-induced-by-osteoarthritis
#16
Yuangui Lin, Lian Liu, Haixia Jiang, Jieshu Zhou, Yuying Tang
Chronic pain is the most prominent and disabling symptom in the patients with osteoarthritis (OA), and the underlying mechanism largely remains unclear. Interleukin-6 (IL-6), a proinflammatory cytokine, is critically involved in the development and maintenance of central sensitization in several rodent models of chronic pain. The present study aims to elucidate the IL-6 mediated neurological adaptation in dorsal horn in the rat with monosodium iodoacetate (MIA) -induced OA. Significant upregulation of IL-6 expression was detected in the dorsal horn in the modeled rats...
June 26, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28653583/warm-and-humidified-versus-cold-and-dry-co2-pneumoperitoneum-in-minimally-invasive-colon-resection-a-randomized-controlled-trial
#17
Elie Sutton, Geoffrey Bellini, Michael J Grieco, H M C Shantha Kumara, Xiaohong Yan, Vesna Cekic, Linda Njoh, Richard L Whelan
INTRODUCTION: Peritoneal insufflation with warm-humidified (WH) CO2 gas during minimally invasive surgical procedures is purported to prevent hypothermia and peritoneal desiccation and is associated with decreased postoperative IL-6 levels. This randomized study's purpose was to determine the clinical impact of WH versus cold-dry (CD) CO2 in minimally invasive colon resection (MICR), and to assess perioperative plasma levels of IL-6, TIMP-1, sVEGF-R1, and HSP-70 after MICR. METHODS: Operative and short-term clinical data plus perioperative blood samples were collected on MICR patients randomized to receive either WH (36...
June 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28651249/administration-of-the-mitochondrial-permeability-transition-pore-inhibitor-tro40303-prior-to-primary-percutaneous-coronary-intervention-does-not-affect-the-levels-of-pro-inflammatory-cytokines-or-acute-phase-proteins
#18
Noreen Butt, Lena K Bache-Mathiesen, Jan Erik Nordrehaug, Vegard Tuseth, Peter Scott Munk, Vernon Bonarjee, Trygve Sundby Hall, Svend Eggert Jensen, Sigrun Halvorsen, Huseyin Firat, Dan Atar, Alf Inge Larsen
OBJECTIVES: In the MITOCARE study, reperfusion injury was not prevented after administration of the mitochondrial permeability transition pore (mPTP) opening inhibitor, TRO40303, in patients with ST-segment elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (pPCI). The effects of TRO40303 on pro-inflammatory cytokines and acute-phase proteins were assessed. METHODS: STEMI patients (n = 163, mean age 62 years) with chest pain within 6 h before admission for pPCI were randomized to intravenous bolus of TRO40303 (n = 83) or placebo (n = 80) prior to reperfusion...
June 27, 2017: Cardiology
https://www.readbyqxmd.com/read/28648042/-effects-of-lappaconitine-on-pain-and-inflammatory-response-of-severely-burned-rats-and-the-mechanism
#19
C L Yang, Z R Wei, T H Zhang, X Q Zeng, B H Wu
Objective: To explore the effects of lappaconitine (LA) on pain and inflammatory response of severely burned rats and the mechanism. Methods: Forty SD rats were divided into healthy+ normal saline group, sham injury+ normal saline group, pure burn group, burn+ LA group, and healthy+ LA group according to the random number table (the same dividing method below), with 8 rats in each group. Rats in pure burn and burn+ LA groups were inflicted with about 32% total body surface area deep partial-thickness scald (hereinafter referred to as burn) on the back and right hind...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28647788/the-efficacy-and-safety-of-two-low-dose-peri-operative-dexamethasone-on-pain-and-recovery-following-total-hip-arthroplasty-a-randomized-controlled-trial
#20
Yi-Ting Lei, Bin Xu, Xiao-Wei Xie, Jin-Wei Xie, Qiang Huang, Fu-Xing Pei
PURPOSE: To evalute the efficacy and safety of two low-dose peri-operative dexamethasone on pain and recovery following total hip arthroplasty (THA). METHODS: One hundred ten patients received two-dose of 10 mg IV-dexamethasone (group dexa) or IV-isotonic saline (group placebo). The level of C-reactive protein (CRP) and interleukin-6 (IL-6), pain at rest and during mobilization, incidence of post-operative nausea and vomiting (PONV), intensity of nausea, post-operative fatigue, consumption of analgesic and antiemetic rescue, range of motion (ROM), post-operative length of stay (post-operative LOS), wound problems and complications were recorded and compared...
June 25, 2017: International Orthopaedics
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