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Synovial tissue

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https://www.readbyqxmd.com/read/28219656/ultrasound-abnormalities-in-septic-arthritis-are-associated-with-functional-outcomes
#1
Emeline Gaigneux, Grégoire Cormier, Stéphane Varin, Oriane Mérot, Yves Maugars, Benoit Le Goff
OBJECTIVES: To describe the ultrasound abnormalities seen in septic arthritis and to assess their associations with clinical, biological, and radiological outcomes METHODS: We prospectively included 34 patients with septic arthritis of a native joint (knee, n=19; shoulder, n=6; hip, n=4; ankle, n=3; or wrist, n=2). Ultrasonography was performed to record synovial-membrane thickness and vascularity, joint effusion, and abnormalities of adjacent soft tissues, at baseline then 4 days, 2 weeks, and 3 months later...
February 17, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28214655/identification-of-microrna-biomarkers-for-response-of-advanced-soft-tissue-sarcomas-to-eribulin-translational-results-of-the-eortc-62052-trial
#2
Erik A C Wiemer, Agnieszka Wozniak, Herman Burger, Marcel Smid, Giuseppe Floris, Axelle Nzokirantevye, Raf Sciot, Stefan Sleijfer, Patrick Schöffski
BACKGROUND: Recent phase II and III clinical trials demonstrated anti-tumour activity of eribulin, a tubulin-interacting cytotoxic agent, in patients with metastatic soft tissue sarcoma (STS). In this exploratory study, we aimed to identify putative microRNA biomarkers that associate with eribulin sensitivity or resistance in STS. MATERIALS AND METHODS: Archival tumour tissue from primary tumours or metastatic lesions was collected prior to eribulin treatment, from 65 consenting patients involved in the EORTC trial 62052...
February 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28214459/molecular-biomarkers-of-knee-pathology
#3
Vanessa Cuellar, Eric Strauss
The identification of biomarkers has become increasingly important in our fundamental understanding of the molecular basis for disease and subsequently in the advancement of modern medicine. Biomarkers have been identified in a plethora of normal and pathologic conditions and are most often found in blood, tissue, or synovial fluid. Orthopaedic research has more recently focused on biomarkers of cartilage and joint diseases, with an emphasis on understanding the molecular underpinnings of their pathophysiology...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28205183/large-primary-pleural-synovial-sarcoma-with-severe-dyspnea-a-case-report
#4
Minoru Yamaki, Shuji Yonehara, Toshio Noriyuki
BACKGROUND: Synovial sarcoma is a malignant neoplasm of soft tissues. It occurs mainly in the extremities and is closely related to tendons, tendon sheaths, and bursal structures. Primary synovial sarcoma of the pleura and lungs is extremely rare. CASE PRESENTATION: We present the case of a 62-year-old man with a large synovial sarcoma of the left pleura. He presented with general fatigue and severe dyspnea. Chest computed tomography (CT) revealed a 20-cm tumor in the left thoracic cavity...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28198149/the-effects-of-using-vitrified-chondrocyte-sheets-on-pain-alleviation-and-articular-cartilage-repair
#5
Yoshiki Tani, Masato Sato, Miki Maehara, Hiroshi Nagashima, Munetaka Yokoyama, Miyuki Yokoyama, Masayuki Yamato, Teruo Okano, Joji Mochida
The effect of using vitrified-thawed chondrocyte sheets on articular cartilage repair was examined because the methods for storing chondrocyte sheets are essential for allogeneic chondrocyte sheet transplantation. Six Japanese white rabbits were used as sources of articular chondrocytes and synovial cells. Chondrocytes were harvested from the femur, and synovial cells were harvested from inside the knee joints. After coculture of the chondrocytes with synovial cells, triple-layered chondrocyte sheets were fabricated...
February 15, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28194388/in-vivo-evaluation-of-porous-hydrogel-pins-to-fill-osteochondral-defects-in-rabbits
#6
Túlio Pereira Cardoso, André Petry Sandoval Ursolino, Pamela de Melo Casagrande, Edie Benedito Caetano, Daniel Vinicius Mistura, Eliana Aparecida de Rezende Duek
OBJECTIVE: This experimental study aimed to evaluate the biological performance of poly (l-co-D, l-lactic acid)-co-trimetilene carbonate/poly (vinyl alcohol) (PLDLA-co TMC/PVA), hydrogel scaffolds, as an implant in the filling (and not in the repair) of osteochondral defects in New Zealand rabbits, assessing the influence of the material in tissue protection in vivo. METHODS: Twelve rabbits were divided into groups of nine and 16 weeks. In each animal, an osteochondral defect was created in both medial femoral condyles...
January 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28193140/short-term-clinico-radiological-outcome-of-chronic-knee-synovitis-among-haemophilia-a-patients-post-phosphorus-32-radiosynoviorthesis
#7
Prasanna Ty, Jagadish Menon, Nataraj Ar, Dhanapathi Halanaik, Harshith Kramadhari
PURPOSE: Various modes of therapy have been directed at breaking the vicious cycle at early stage of synovitis in haemophilia patients. This study was planned to assess the short-term clinico-radiological outcome of chronic knee synovitis among haemophilia A patients post phosphorus-32 (P-32) radiosynoviorthesis. METHODS: P-32 samarium radiocolloid was injected into the knee and patients were followed up at 1 and 3 months, respectively. Clinical outcomes was assessed using Tegner Lysholm scores (TLSs), Modified Knee Society Clinical Rating System (MKSS) score and circumference of the knee joint...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28191313/metastatic-biomarkers-in-synovial-sarcoma
#8
REVIEW
Rosalia de Necochea-Campion, Lee M Zuckerman, Hamid R Mirshahidi, Shahrzad Khosrowpour, Chien-Shing Chen, Saied Mirshahidi
Synovial sarcoma (SS) is an aggressive soft tissue sarcoma (STS) that typically occurs in the extremities near a joint. Metastatic disease is common and usually occurs in the lungs and lymph nodes. Surgical management is the mainstay of treatment with chemotherapy and radiation typically used as adjuvant treatment. Although chemotherapy has a positive impact on survival, the prognosis is poor if metastatic disease occurs. The biology of sarcoma invasion and metastasis remain poorly understood. Chromosomal translocation with fusion of the SYT and SSX genes has been described and is currently used as a diagnostic marker, although the full impact of the fusion is unknown...
2017: Biomarker Research
https://www.readbyqxmd.com/read/28187731/strontium-ranelate-causes-osteophytes-overgrowth-in-a-model-of-early-phase-osteoarthritis
#9
Jian-Guo Chu, Mu-Wei Dai, Yu Wang, Fa-Ming Tian, Hui-Ping Song, Ya-Ping Xiao, Li-Tao Shao, Ying-Ze Zhang, Liu Zhang
BACKGROUND: Osteoarthritis (OA) involves cartilage changes as well as modifications of subchondral bone and synovial tissues. Strontium ranelate (SR), an anti-osteoporosis compound, which is currently in phase III clinical trial for treatment of OA. Evidences suggest that SR preferably deposited in osteophyte, other than in subchondral bone in early phase of OA. This phenomenon raises concern about its utility for OA treatment as a disease-modifying drug. To evaluate the effect of SR on cartilage, subchondral bone mass and subchondral trabecular bone structure in medial meniscectomized (MNX) guinea pigs...
February 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28187436/dishevelled2-promotes-apoptosis-and-inhibits-inflammatory-cytokine-secretion-in-rheumatoid-arthritis-fibroblast-like-synoviocytes-through-crosstalk-with-the-nf-%C3%AE%C2%BAb-pathway
#10
Xing Zhen Liu, Jie Fan, Ke Qi, Shu Peng Liu, Wei Dong Xu, Ying Gao, Xiao Dan Gu, Jia Li, Chen Guang Bai, Ye Qing Shi, Lan Ling Zhang, Dong Bao Zhao
Dishevelled (Dvl) not only links the canonical Wnt and non-canonical Wnt pathways but can also crosstalk with other pathways. As there is no systematic study to date on Dvl in rheumatoid arthritis (RA), we explored the impact of Dvl2 on proliferation and inflammatory cytokine secretion in RA fibroblast-like synoviocytes (FLSs). Expression of Dvl2 in RA synovial tissue and RA-FLSs was measured. Dvl2 was overexpressed in collagen-induced arthritis rats and human RA-FLSs,. the apoptosis and secretion of inflammatory cytokines were observed...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28186881/bayesian-quantification-of-contrast-enhanced-ultrasound-images-with-adaptive-inclusion-of-an-irreversible-component
#11
Gaia Rizzo, Matteo Tonietto, Marco Castellaro, Bernd Raffeiner, Alessandro Coran, Ugo Fiocco, Roberto Stramare, Enrico Grisan
Contrast Enhanced Ultrasound (CEUS) is a sensitive imaging technique to assess tissue vascularity and it can be particularly useful in early detection and grading of arthritis. In a recent study we have shown that a Gamma-variate can accurately quantify synovial perfusion and it is flexible enough to describe many heterogeneous patterns. However, in some cases the heterogeneity of the kinetics can be such that even the Gamma model does not properly describe the curve, with a high number of outliers.
December 8, 2016: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28178719/endometriosis-mimicking-soft-tissue-neoplasms-a-potential-diagnostic-pitfall
#12
Yi Ding, Julie Gibbs, Ge Xiong, Shigong Guo, Shailaja Raj, Marilyn M Bui
Endometriosis is a common gynecological disorder most often involving the pelvic region. Although it is rare, endometriosis occurring outside of the peritoneal cavity most commonly occurs within scars of the abdominal wall, but it has been reported in the lungs, pleura, kidneys, brain, and the extremities. Herein, we present 2 cases of endometriosis, including 1 case of endometriosis of the wrist that clinically mimicked a soft-tissue neoplasm and 1 case of right-groin endometriosis mimicking synovial sarcoma during the initial pathological interpretation of findings on fine needle aspiration...
January 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28173831/immunoselected-stro-3-mesenchymal-precursor-cells-reduce-inflammation-and-improve-clinical-outcomes-in-a-large-animal-model-of-monoarthritis
#13
Anwar Abdalmula, Laura M Dooley, Claire Kaufman, Elizabeth A Washington, Jacqueline V House, Barbara A Blacklaws, Peter Ghosh, Silviu Itescu, Simon R Bailey, Wayne G Kimpton
BACKGROUND: The purpose of this study was to investigate the therapeutic efficacy of intravenously administered immunoselected STRO-3 + mesenchymal precursor cells (MPCs) on clinical scores, joint pathology and cytokine production in an ovine model of monoarthritis. METHODS: Monoarthritis was established in 16 adult merino sheep by administration of bovine type II collagen into the left hock joint following initial sensitization to this antigen. After 24 h, sheep were administered either 150 million allogeneic ovine MPCs (n = 8) or saline (n = 8) intravenously (IV)...
February 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28168072/synovial-osteochondromatosis-at-the-carpometacarpal-joint-of-the-thumb
#14
Satoru Yonekura, Hiroyoshi Hagiwara, Takahiro Nishimura, Hiroshi Amagai, Mayu Yamamura, Osamu Miyamoto, Sueo Nakama
Synovial osteochondromatosis (SOC) is a benign tumor characterized by synovial connective tissue metaplasia. SOC commonly affects major joints including the knee followed by the hip, elbow, and wrist. SOC cases in the hand are not reported as often as SOC of major joints. Particularly SOC of the carpometacarpal joint of the thumb is rare. We report on a 57-year-old female with primary SOC of the carpometacarpal joint of her left thumb. Surgical excision was performed and the patient had no symptoms with full range of motion of her left thumb...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28167299/1-25-oh-2d3-and-calcipotriol-its-hypocalcemic-analog-exert-a-long-lasting-anti-inflammatory-and-anti-proliferative-effect-in-synoviocytes-cultured-from-patients-with-rheumatoid-arthritis-and-osteoarthritis
#15
Johanna A Huhtakangas, Johanna Veijola, Sanna Turunen, Anna Karjalainen, Maarit Valkealahti, Tomi Nousiainen, Susanna Yli-Luukko, Olli Vuolteenaho, Petri Lehenkari
OBJECTIVES: We investigated the effects of 1,25-dihydroxy vitamin D3 (1,25(OH)2D3), i.e. biologically active vitamin D and calcipotriol, a vitamin D analogue, on growth and secretion of inflammatory mediators in synovial stromal cells (SSC) of patients with rheumatoid arthritis (RA) or osteoarthritis (OA). METHODS: Synovial stromal cells (SSC) isolated during knee prosthesis surgery from four patients with RA and four with OA were exposed to 1,25(OH)2D3 or calcipotriol with or without stimulation of cells with IL-1β or TNF-α...
February 3, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28164062/case-report-of-mimicry-between-synovial-hemangioma-and-synovial-chondromatosis-of-the-shoulder
#16
Justin Colanese, Akin Cil, Nkem Egekeze, Kamani Lankachandra, Suhel Kotwal
INTRODUCTION: Synovial hemangioma is a developmental hamartoma of vascular tissue within the synovium; no cases involving the shoulder girdle have been described in the literature. Synovial chondromatosis is a benign condition in which synovial cells undergo metaplasia into hyaline cartilage and is also thought to infrequently affect the shoulder region. CASE REPORT: A 44-year-old female presented with left shoulder pain of 7-year duration. Magnetic resonance image displayed a 2...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28160020/diagnosis-of-periprosthetic-joint-infection-using-alpha-defensin-test-or-multiplex-pcr-ideal-diagnostic-test-still-not-found
#17
Arnold J Suda, Marco Tinelli, Nils D Beisemann, Yoram Weil, Amal Khoury, Oliver E Bischel
PURPOSE: Diagnosing periprosthetic infection remains a challenge. Multiplex-PCR and biomarkers such as alpha-defensin are potentially useful and fast methods for detecting periprosthetic infection. This study compared these new methods with clinical assessment, conventional microbiological methods and histo-pathological examination. METHODS: Twenty-eight consecutive patients with 30 joints and a mean age of 67.7 years (range 39 to 88) with removal of total hip arthroplasty (THA) or total knee replacement (TKR) were included in this study...
February 4, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28159047/localized-pigmented-villonodular-synovitis-of-the-ankle-expect-the-unexpected
#18
Ozren Kubat, Ivan Bojanić, Tomislav Smoljanović
BACKGROUND: We present the technique, results and discuss arthroscopic treatment of the localized form of pigmented villonodular synovitis (LPVNS) of the ankle. METHODS: Medical records of five patients diagnosed and treated for ankle LPVNS with a minimum five-year followup were retrospectively reviewed. All patients were treated arthroscopically, altered synovial tissue was resected and a sample of tissue was sent for pathohistological examination for the definitive diagnosis...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28153787/adipose-stromal-cells-mediated-switching-of-the-pro-inflammatory-profile-of-m1-like-macrophages-is-facilitated-by-pge2-in%C3%A2-vitro-evaluation
#19
C Manferdini, F Paolella, E Gabusi, L Gambari, A Piacentini, G Filardo, S Fleury-Cappellesso, A Barbero, M Murphy, G Lisignoli
OBJECTIVE: To define if adipose mesenchymal stromal cell (ASC) treatment mediated switching of the pro-inflammatory profile of M1-like macrophages as a means to develop a tailored in vitro efficacy/potency test. DESIGN: We firstly performed immunohistochemical analysis of CD68, CD80 (M1-like) and CD206 (M2-like) macrophages in osteoarthritic (OA) synovial tissue. ASC were co-cultured in contact and in transwell with activated (GM-CSF + IFNγ)-M1 macrophages. We analyzed IL1β, TNFα, IL6, MIP1α/CCL3, S100A8, S100A9, IL10, CD163 and CD206 by qRT-PCR or immunoassays...
January 30, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28149655/osteoarthritis-toward-a-comprehensive-understanding-of-pathological-mechanism
#20
REVIEW
Di Chen, Jie Shen, Weiwei Zhao, Tingyu Wang, Lin Han, John L Hamilton, Hee-Jeong Im
Osteoarthritis (OA) is the most common degenerative joint disease and a major cause of pain and disability in adult individuals. The etiology of OA includes joint injury, obesity, aging, and heredity. However, the detailed molecular mechanisms of OA initiation and progression remain poorly understood and, currently, there are no interventions available to restore degraded cartilage or decelerate disease progression. The diathrodial joint is a complicated organ and its function is to bear weight, perform physical activity and exhibit a joint-specific range of motion during movement...
2017: Bone Research
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