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https://www.readbyqxmd.com/read/28089088/synovial-chondromatosis-of-the-temporomandibular-joint-immunohistochemical-examinations-regarding-the-role-of-insulin-like-growth-factors-and-their-binding-proteins-in-the-etiology-of-this-disease
#1
Christian T Wilms, Nils Heim, Marcus Teschke, Rudolf R Reich, Werner Götz
Synovial chondromatosis (SC) is a benign disease of the joints without a known cause. It sometimes affects the temporomandibular joint (TMJ) and is accompanied by pain, swelling, malocclusion, and crepitation. It has been divided into three stages by Milgram and is supposed to originate from the synovia and cartilage of a joint (Milgram, 1977b). The aim of this study was to examine an involvement of the insulin-like growth factors (IGF-I/-II) and their binding proteins (IGFBP-1 to -6) in the etiology of this disease...
December 14, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28076930/hormone-receptor-expression-in-human-fascial-tissue
#2
C Fede, G Albertin, L Petrelli, M M Sfriso, C Biz, R De Caro, C Stecco
Many epidemiologic, clinical, and experimental findings point to sex differences in myofascial pain in view of the fact that adult women tend to have more myofascial problems with respect to men. It is possible that one of the stimuli to sensitization of fascial nociceptors could come from hormonal factors such as estrogen and relaxin, that are involved in extracellular matrix and collagen remodeling and thus contribute to functions of myofascial tissue. Immunohistochemical and molecular investigations (real-time PCR analysis) of relaxin receptor 1 (RXFP1) and estrogen receptor-alpha (ERα) localization were carried out on sample of human fascia collected from 8 volunteers patients during orthopedic surgery (all females, between 42 and 70 yrs, divided into pre- and post-menopausal groups), and in fibroblasts isolated from deep fascia, to examine both protein and RNA expression levels...
November 2, 2016: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28068876/tissue-engineered-model-of-human-osteolytic-bone-tumor
#3
Aranzazu Villasante, Alessandro Marturano, Samuel T Robinson, Zen Liu, X Edward Guo, Gordana Vunjak-Novakovic
Ewing's sarcoma (ES) is a poorly differentiated pediatric tumor of aggressive behavior characterized by propensity to metastasize to bone. Interactions between the tumor and bone cells orchestrate a vicious cycle in which tumor cells induce osteoclast differentiation and activation to cause osteolytic lesions, broken bones, pain and hypercalcemia. The lack of controllable models that can recapitulate osteolysis in ES impedes the development of new therapies and limits our understanding of how tumor cells invade bone...
January 9, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28068842/tibialis-anterior-tendon-reconstruction-using-augmented-half-thickness-tendon-segment-transposition
#4
Christopher W Reb, James F Stenson, Joseph N Daniel
: Tibialis anterior tendon rupture causes substantial morbidity. The present study describes the outcomes of augmented, half-thickness tibialis anterior tendon segment transposition, a novel reconstruction technique. This was an institutional review board-approved retrospective review of 3 patients with surgically treated attritional distal rupture with 1-year follow-up. The postdebridement tendon defect prohibited primary repair and was managed by distal transposition of a half-thickness healthy segment...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28056936/a-12-week-randomized-double-blind-placebo-controlled-multicenter-study-of-choline-stabilized-orthosilicic-acid-in-patients-with-symptomatic-knee-osteoarthritis
#5
Piet Geusens, Karel Pavelka, Jozef Rovensky, Johan Vanhoof, Nathalie Demeester, Mario Calomme, Dirk Vanden Berghe
BACKGROUND: The aim of this study was to assess the efficacy of choline-stabilized orthosilicic acid (ch-OSA) in patients with symptomatic knee osteoarthritis (OA). METHODS: In a multicenter, double-blind, placebo-controlled study, 211 patients with knee OA (Kellgren and Lawrence grade II or III) and moderate to moderately severe pain were randomly allocated to ch-OSA or placebo for 12 weeks. The primary outcome was the change in the WOMAC pain subscale from baseline to week 12...
January 5, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28056838/first-case-report-of-myopericarditis-linked-to-campylobacter-coli-enterocolitis
#6
Cameron R M Moffatt, Soniah B Moloi, Karina J Kennedy
BACKGROUND: Campylobacter spp. are a common cause of mostly self-limiting enterocolitis. Although rare, pericarditis and myopericarditis have been increasingly documented as complications following campylobacteriosis. Such cases have occurred predominantly in younger males, and involved a single causative species, namely Campylobacter jejuni. We report the first case of myopericarditis following Campylobacter coli enterocolitis, with illness occurring in an immunocompetent middle-aged female...
January 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28054366/the-role-of-molecular-pain-biomarkers-in-temporomandibular-joint-internal-derangement
#7
REVIEW
Malin Ernberg
There is evidence that low-grade inflammation may be responsible for pain and development of degenerative changes in temporomandibular joint internal derangement. This article reviews the current knowledge of the molecular mechanisms behind TMJ internal derangements. A non-systematic search was carried out in PubMed, Embase, and the Cochrane library for studies regarding pathophysiological mechanisms behind internal derangements focusing on pain mediating inflammatory and cartilage degrading molecules. Recent data suggests that release of cytokines may be the key event for pain and cartilage destruction in TMJ internal derangements...
January 5, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28052048/a-biomimetic-mesh-for-treating-female-stress-urinary-incontinence
#8
Kuilin Lai, Jiazhen Zhang, Guoshuai Wang, Xin Luo, Man Liu, Xinzhi Zhang, Yuyu Yuan, Bin Liu, Tao Xu
For patients with medium to severe incontinence, sub-urethral support surgery has a high cure rate, but using synthetic meshes leads to some complications such as mesh erosion/exposure and thigh pain. Autologous or acellular extracellular matrix grafts present few complications but have a high recurrence rate. Regensling(™) is a new sling product made of a synthetic material with a biomimetic structure, aiming to provide long-term mechanical support with a lower complication rate. To assess the safety and effectiveness of Regensling(™), both in vitro and in vivo experiments were performed...
January 4, 2017: Biofabrication
https://www.readbyqxmd.com/read/28052015/epoxyeicosanoids-prevent-intervertebral-disc-degeneration-in-vitro-and-in-vivo
#9
Jing Li, Hanfeng Guan, Huiyong Liu, Libo Zhao, Li Li, Yong Zhang, Peng Tan, Baoguo Mi, Feng Li
Intervertebral disc (IVD) degeneration is considered a common cause of low back pain. In the degenerating IVD, the production of pro-inflammatory cytokines, including IL-1 and TNF-α, progressively increases, contributing to the degenerative process. Epoxyeicosatrienoic acids (EETs), synthesized from arachidonic acid by cytochrome P450 enzymes, act as autocrine and paracrine effectors in regulating inflammation, cardiovascular functions, and angiogenesis. EETs were shown to be especially potent promoters of tissue regeneration...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28044000/painful-locking-of-the-wrist-in-a-patient-with-pseudoachondroplasia-confirmed-by-comp-mutation
#10
Hirokazu Ideta, Shigeharu Uchiyama, Masanori Hayashi, Tomoki Kosho, Yukio Nakamura, Hiroyuki Kato
We report the case of a 40-year-old woman with pseudoachondroplasia (PSACH), with a heterozygous mutation (c.806A > G, p.Asp269Gly) located in the Type 3 repeats domain of the cartilage oligomeric matrix protein gene, who complained of the unusual symptom of painful locking of the wrist. Her condition was caused by a non-traumatic enlargement of the extensor carpi radialis longus (ECRL) and brevis (ECRB) tendons along with bulbous swelling of the synoviums around them. Surgical treatment resolved these unusual tendon-related symptoms...
January 2, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28039964/degenerative-joint-diseases-and-neuroinflammation
#11
REVIEW
Mariella Fusco, Stephen D Skaper, Stefano Coaccioli, Antonella Paladini, Giustino Varrassi
Rheumatic and joint diseases, as exemplified by osteoarthritis and rheumatoid arthritis, are among the most widespread painful and disabling pathologies across the globe. Given the continuing rise in life expectancy, their prevalence is destined to grow. Osteoarthritis, a degenerative joint disease, is, in particular, on its way to becoming the fourth leading cause of disability worldwide by 2020, with the rising incidence of obesity in addition to age being important factors. It is estimated that 25% of osteoarthritic individuals are unable to perform daily activities...
December 31, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28035535/the-role-of-the-gastrointestinal-microbiota-in-visceral-pain
#12
Kieran Rea, Siobhain M O'Mahony, Timothy G Dinan, John F Cryan
A growing body of preclinical and clinical evidence supports a relationship between the complexity and diversity of the microorganisms that inhabit our gut (human gastrointestinal microbiota) and health status. Under normal homeostatic conditions this microbial population helps maintain intestinal peristalsis, mucosal integrity, pH balance, immune priming and protection against invading pathogens. Furthermore, these microbes can influence centrally regulated emotional behaviour through mechanisms including microbially derived bioactive molecules (amino acid metabolites, short-chain fatty acids, neuropeptides and neurotransmitters), mucosal immune and enteroendocrine cell activation, as well as vagal nerve stimulation...
December 30, 2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28024614/anomalous-dissolution-behavior-of-celecoxib-in-pvp-isomalt-solid-dispersions-prepared-using-spray-drier
#13
Roya Ghanavati, Azade Taheri, Alireza Homayouni
Celecoxib is a COX II inhibitor NSAID which is used for joint pains, rheumatoid arthritis and osteoarthritis, however due to its poor water solubility it shows very low oral bioavailability. Using solid dispersion formulations is one of the most promising strategies to increase solubility of poorly water soluble drugs. The purpose of this study is dissolution enhancement of celecoxib by preparation of solid dispersions via spray drying technique using PVP and Isomalt as hydrophilic carriers. Different ratios of celecoxib, Isomalt and PVP K30 (7:3:0, 5:5:0, 3:7:0, 1:9:0 and 3:5:2, 3:2:5) were prepared from 2% hydroalcoholic solutions (70:30 ethanol:water) using spray drier...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28012923/anti-inflammatory-effects-of-ethanolic-extract-of-rosmarinus-officinalis-l-and-rosmarinic-acid-in-a-rat-model-of-neuropathic-pain
#14
Mahboobeh Ghasemzadeh Rahbardar, Bahareh Amin, Soghra Mehri, Seyed Javad Mirnajafi-Zadeh, Hossein Hosseinzadeh
BACKGROUND: Rosemary, Rosmarinus (R.) officinalis L. is a well-known plant with several useful properties such as analgesic, anti-inflammatory and anti-neurodegenerative. It has been used in folk medicine to alleviate rheumatic pain, stomachache and dysmenorrhea. Rosemary has several constituents such as rosmarinic acid which can be responsible for therapeutic properties been noted with rosemary. The aim of this study was to investigate the potential anti-inflammatory effects of R. officinalis and rosmarinic acid in a rat model of sciatic nerve chronic constriction injury (CCI)-induced neuropathic pain to verify usage of rosemary in folk medicine...
December 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28011039/the-direction-of-human-mesenchymal-stem-cells-into-the-chondrogenic-lineage-is-influenced-by-the-features-of-hydrogel-carriers
#15
A Hansson, A Wenger, H Barreto Henriksson, S Li, B R Johansson, H Brisby
Low back pain is a major public health issue in the Western world, one main cause is believed to be intervertebral disc (IVD) degeneration. To halt/diminish IVD degeneration, cell therapy using different biomaterials e.g. hydrogels as cell carriers has been suggested. In this study, two different hydrogels were examined (in vitro) as potential cell carriers for human mesenchymal stem cells (hMSCs) intended for IVD transplantation. The aim was to investigate cell-survival and chondrogenic differentiation of hMSCs when cultured in hydrogels Puramatrix(®) or Hydromatrix(®) and potential effects of stimulation with growth hormone (GH)...
December 13, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/28003158/central-sensitization-related-changes-of-effective-and-functional-connectivity-in-the-rat-inflammatory-trigeminal-pain-model
#16
Tamás Spisák, Zsófia Pozsgay, Csaba Aranyi, Szabolcs Dávid, Pál Kocsis, Gabriella Nyitrai, Dávid Gajári, Miklós Emri, András Czurkó, Zsigmond Tamás Kincses
Central sensitization is a key mechanism in the pathology of several neuropathic pain disorders. We aimed to investigate the underlying brain connectivity changes in a rat model of chronic pain. Non-noxious whisker stimulation was used to evoke blood-oxygen-level-dependent (BOLD) responses in a block-design functional Magnetic Resonance Imaging (fMRI) experiment on 9.4T. Measurements were repeated two days and one week after injecting complete Freund's adjuvant into the rats' whisker pad. We found that acute pain reduced activation in the barrel cortex, most probably due to a plateau effect...
December 18, 2016: Neuroscience
https://www.readbyqxmd.com/read/28003146/injectable-hyaluronic-acid-down-regulates-interferon-signaling-molecules-igfbp3-and-ifit3-in-the-bovine-intervertebral-disc
#17
Zepur Kazezian, Zhen Li, Mauro Alini, Sibylle Grad, Abhay Pandit
: Low back pain which is a major cause of disability for people aged between 20 and 50 years imposes a serious socio-economic burden. The current focus of regenerative medicine is on identifying molecular markers to facilitate the design of targeted therapeutics. Previously, we have demonstrated that expression of the anti-proliferative interferon-induced protein with tetratricopeptide repeats 3 (IFIT3) and pro-apoptotic insulin-like growth factor-binding protein-3 (IGFBP3), are up-regulated as downstream targets of the inflammatory cytokine interferon α (IFNα) signaling pathway in the human annulus fibrosus (AF)...
December 18, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/28002916/mesenchymal-stem-cells-for-intervertebral-disc-regeneration
#18
G Vadalà, F Russo, L Ambrosio, R Papalia, V Denaro
Low back pain (LBP) is one of the most common disabling symptoms affecting the adult population throughout the industrialized world. The main cause underlying this condition is intervertebral disc degeneration (IDD), which is characterized by progressive decrease of the proteoglycan content within the nucleus pulposus (NP), leading to disc dehydration and loss of its morpho-functional and biomechanical properties. To date, LBP treatment is based upon conservative and invasive procedures which are not capable of restoring the degenerative alterations of the disc, as they only help relieve the symptoms and/or slow down disc degeneration and are, nonetheless, characterized by significant comorbidities, costs and secondary risks...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27994793/bone-union-rate-following-instrumented-posterolateral-lumbar-fusion-comparison-between-demineralized-bone-matrix-versus-hydroxyapatite
#19
Woo Dong Nam, Jemin Yi
STUDY DESIGN: Retrospective study. PURPOSE: To compare the union rate of posterolateral lumbar fusion (PLF) using demineralized bone matrix (DBM) versus hydroxyapatite (HA) as bone graft extender. OVERVIEW OF LITERATURE: To our knowledge, there has been no clinical trial to compare the outcomes of DBM versus HA as a graft material for PLF. METHODS: We analyzed prospectively collected data from consecutive 79 patients who underwent instrumented PLF...
December 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27994720/repair-potential-of-matrix-induced-bone-marrow-aspirate-concentrate-and-matrix-induced-autologous-chondrocyte-implantation-for-talar-osteochondral-repair-patterns-of-some-catabolic-inflammatory-and-pain-mediators
#20
Giovanna Desando, Isabella Bartolotti, Francesca Vannini, Carola Cavallo, Francesco Castagnini, Roberto Buda, Sandro Giannini, Massimiliano Mosca, Erminia Mariani, Brunella Grigolo
OBJECTIVE: The low regenerative potential of cartilage contributed to the development of different cell therapies aimed to improve the clinical outcome in young patients with Osteochondral Lesions of the Talus (OLT). This study is designed to assess the regenerative potential of autologous matrix-induced Bone Marrow Aspirate Concentrate (mBMAC) and matrix-induced Autologous Chondrocyte Implantation (mACI) evaluating, on a small number of osteochondral biopsies, the expression of some catabolic, inflammatory, and pain mediators...
January 2017: Cartilage
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