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Synovial sarcoma

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https://www.readbyqxmd.com/read/29225052/supersulfated-low-molecular-weight-heparin-synergizes-with-igf1r-ir-inhibitor-to-suppress-synovial-sarcoma-growth-and-metastases
#1
Giuliana Cassinelli, Laura Dal Bo, Enrica Favini, Denis Cominetti, Sabina Pozzi, Monica Tortoreto, Michelandrea De Cesare, Daniele Lecis, Eugenio Scanziani, Lucia Minoli, Annamaria Naggi, Israel Vlodavsky, Nadia Zaffaroni, Cinzia Lanzi
Synovial sarcoma (SS) is an aggressive tumor with propensity for lung metastases which significantly impact patients' prognosis. New therapeutic approaches are needed to improve treatment outcome. Targeting the heparanase/heparan sulfate proteoglycan system by heparin derivatives which act as heparanase inhibitors/heparan sulfate mimetics is emerging as a therapeutic approach that can sensitize the tumor response to chemotherapy. We investigated the therapeutic potential of a supersulfated low molecular weight heparin (ssLMWH) in preclinical models of SS...
December 7, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29220290/synovial-sarcoma-current-concepts-and-future-perspectives
#2
Silvia Stacchiotti, Brian Andrew Van Tine
Synovial sarcoma (SS) is a rare sarcoma driven by a translocation between SS18 and SSX 1, 2, or 4. With approximately 800 to 1,000 cases a year in the United States, it most commonly affects young adults between the ages of 15 and 30 years. The resultant tumors are either monophasic (pure sarcomas), biphasic (a combination or epithelioid and sarcomatous components), or poorly differentiated. The hybrid transcription factor SS18:SSX alters SWItch/Sucrose Non-Fermentable (SWI/SNF) chromatin remodeling and global methylation patterns that may allow for future therapeutic opportunities...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29209034/na-entry-through-heteromeric-trpc4-c1-channels-mediates-englerin-a-induced-cytotoxicity-in-synovial-sarcoma-cells
#3
Katsuhiko Muraki, Kaori Ohnishi, Akiho Takezawa, Hiroka Suzuki, Noriyuki Hatano, Yukiko Muraki, Nurasyikin Hamzah, Richard Foster, Herbert Waldmann, Peter Nussbaumer, Mathias Christmann, Robin S Bon, David J Beech
The sesquiterpene (-)Englerin A (EA) is an organic compound from the plant Phyllanthus engleri which acts via heteromeric TRPC4/C1 channels to cause cytotoxicity in some types of cancer cell but not normal cells. Here we identified selective cytotoxicity of EA in human synovial sarcoma cells (SW982 cells) and investigated the mechanism. EA induced cation channel current (Icat) in SW982 cells with biophysical characteristics of heteromeric TRPC4/C1 channels. Inhibitors of homomeric TRPC4 channels were weak inhibitors of the Icat and EA-induced cytotoxicity whereas a potent inhibitor of TRPC4/C1 channels (Pico145) strongly inhibited Icat and cytotoxicity...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29205488/single-stage-functional-reconstruction-of-both-peroneal-tendons-and-overlying-skin-with-an-anterolateral-thigh-flap-and-vascularized-fascia-lata-a-case-report
#4
Efstathios G Lykoudis, Ioannis Dalianoudis, Konstantinos Seretis, George E Lykoudis, Marios G Lykissas
Reconstruction of complex soft tissue defects in the distal lower leg remains challenging, since anatomical constraints limit the local options available in this area. In this report, we present a case of single stage functional reconstruction of both peroneal tendons and overlying skin with an anterolateral thigh flap and vascularized fascia lata. A 55-year-old patient underwent wide excision of a synovial sarcoma in the distal lower leg, which resulted in a complex defect including the peroneus longus and brevis tendons (10 cm), and the overlying skin (14 × 8 cm)...
December 3, 2017: Microsurgery
https://www.readbyqxmd.com/read/29202462/paracrine-osteoprotegerin-and-%C3%AE-catenin-stabilization-support-synovial-sarcomagenesis-in-periosteal-cells
#5
Jared J Barrott, Benjamin E Illum, Huifeng Jin, Matthew L Hedberg, Yanliang Wang, Allie Grossmann, Malay Haldar, Mario R Capecchi, Kevin B Jones
Synovial sarcoma (SS) is an aggressive soft-tissue sarcoma that is often discovered during adolescence and young adulthood. Despite the name, synovial sarcoma does not typically arise from a synoviocyte but instead arises in close proximity to bones. Previous work demonstrated that mice expressing the characteristic SS18-SSX fusion oncogene in myogenic factor 5-expressing (Myf5-expressing) cells develop fully penetrant sarcomagenesis, suggesting skeletal muscle progenitor cell origin. However, Myf5 is not restricted to committed myoblasts in embryos but is also expressed in multipotent mesenchymal progenitors...
November 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29201311/synovial-sarcoma-complicating-total-knee-arthroplasty
#6
Olga D Savvidou, George D Chloros, Panagiotis Koutsouradis, Panayiotis D Megaloikonomos, Eva Skarpidi, Panayiotis J Papagelopoulos
Synovial sarcoma is a relatively common periarticular soft tissue malignancy, occurring mostly in the extremities of younger patients. Occasionally, diversity in its clinical features may lead to misdiagnosis and inappropriate management. The authors report herein a unique case of a patient who underwent a primary total knee arthroplasty to treat osteoarthritis. During the operation, a mass was discovered but was attributed to synovitis. Biopsy revealed a rare intra-articular synovial sarcoma. The patient underwent reoperation with wide excision and endoprosthesis placement and is disease-free at the 8-year follow-up...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29200688/round-cell-tumors-classification-and-immunohistochemistry
#7
REVIEW
Shweta Sharma, R Kamala, Divya Nair, T Raju Ragavendra, Swapnil Mhatre, Robin Sabharwal, Basanta Kumar Choudhury, Vivek Rana
Round cell tumors as the name suggest are comprised round cells with increased nuclear-cytoplasmic ratio. This group of tumor includes entities such as peripheral neuroectodermal tumor, rhabdomyosarcoma, synovial sarcoma, non-Hodgkin's lymphoma, neuroblastoma, hepatoblastoma, Wilms' tumor, and desmoplastic small round cell tumor. These round cells tumors are characterized by typical histological pattern, immunohistochemical, and electron microscopic features that can help in differential diagnosis. The present article describes the classification and explains the histopathology and immunohistochemistry of some important round cell tumors...
July 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29199714/prognostic-factors-and-treatment-of-patients-with-advanced-synovial-sarcoma-a-single-center-experience
#8
O Ates, S Aksoy, H Yeter, V Sunar, N Kertmen, O Dizdar, A Turker, A Kars
BACKGROUND: Synovial sarcoma (SS) is a malignant mesenchymal tumor, which comprises 5%-10% of all the sarcomas. There is insufficient information on prognostic factors and salvage treatments of advanced SS. In this study, we aimed to further clarify the clinicopathological features, prognostic factors, and treatment modalities in advanced SS. MATERIALS AND METHODS: A total of 45 SS patients followed up between 2001 and 2015 at our cancer institute, Department of Medical Oncology, were retrospectively evaluated...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29191657/extracellular-vesicle-encapsulated-microrna-761-enhances-pazopanib-resistance-in-synovial-sarcoma
#9
Kumiko Shiozawa, Ji Shuting, Yusuke Yoshioka, Takahiro Ochiya, Tadashi Kondo
The development of drug resistance in tumor cells leads to relapse and distant metastasis. Secreted microRNAs (miRNAs) enclosed in extracellular vesicles (EVs) can act as intercellular messengers. The objective of our study was to elucidate the role of secreted miRNAs to better understand the regulatory network underlying pazopanib-resistance in synovial sarcoma cells. We performed a comprehensive analysis of secreted miRNA abundance in pazopanib treated/untreated synovial sarcoma cells from four different cell lines (SYO-1, HS-SYII, 1273/99, and YaFuSS) using microarray technology, and discovered miR-761 in EVs as a potential biomarker of pazopanib-resistance in synovial sarcoma...
November 27, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29191397/the-inhibitory-effect-of-aconiti-sinomontani-radix-extracts-on-the-proliferation-and-migration-of-human-synovial-fibroblast-cell-line-sw982
#10
Xue Deng, Lu-Ping Zheng, Zhen-Qiang Mu, Rui Lai, Guo-Ping Niu, Liang-Ping Tu, Di Zhu, Yan-Qiu Liu
ETHNOPHARMACOLOGICAL RELEVANCE: Aconiti Sinomontani Radix is frequently used in the treatment of Bi syndrome in traditional Chinese medicine. Several reports indicate that Aconiti Sinomontani Radix has therapeutic effects for rheumatoid arthritis (RA). However, the cellular mode of action is still unclear. To investigate the effect of alkaloid extracts of Aconiti Sinomontani Radix on proliferation and migration of human synovial sarcoma SW982 cells as well as the molecular mechanism underlying...
November 27, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29173366/synovial-sarcoma-with-intracranial-metastasis-as-the-site-of-reoccurrence
#11
Astha Agrawal, Nikki Bajaj, Michael Maroules
No abstract text is available yet for this article.
November 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/29173170/first-in-human-phase-1-crispr-gene-editing-cancer-trials-are-we-ready
#12
Francoise Baylis, Marcus McLeod
A prospective first-in-human Phase 1 CRISPR gene editing trial in the United States for patients with melanoma, synovial sarcoma, and multiple myeloma offers hope that gene editing tools may usefully treat human disease. An overarching ethical challenge with first-in-human Phase 1 clinical trials, however, is knowing when it is ethically acceptable to initiate such trials on the basis of safety and efficacy data obtained from pre-clinical studies. If the pre-clinical studies that inform trial design are themselves poorly designed - as a result of which the quality of pre-clinical evidence is deficient - then the ethical requirement of scientific validity for clinical research may not be satisfied...
November 21, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/29165811/synovial-sarcoma-of-the-shoulder-a-series-of-14-cases
#13
Bianca M Verbeek, Courtney L Kaiser, Ana B Larque, Francis J Hornicek, Kevin A Raskin, Joseph H Schwab, Yen-Lin Chen, Santiago A Lozano Calderón
BACKGROUND AND OBJECTIVES: Synovial sarcoma is a rare soft tissue sarcoma with poor long-term prognosis due to late recurrence and metastasis. Synovial sarcoma arises in less than 6% from the shoulder. As a result, there is limited information in the literature about synovial sarcoma of the shoulder (SSS). METHODS: We included all patients treated for SSS at our institution between 1985 and 2013. Medical charts were retrospectively reviewed to collect demographics, information about the clinical course, and outcome...
November 22, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29142354/primary-pleuropulmonary-synovial-sarcoma-on-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-scan
#14
Digish Shah, Prakash Odedra
Primary pleuropulmonary synovial sarcoma, a mesenchymal tumor of lung and pleura, is very rare and highly aggressive condition among the primary lung malignancies. As role of fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) has been established in lung malignancies in terms of staging, restaging, biopsy guidance, and treatment response evaluation, there is also role of FDG PET-contrast-enhanced CT (CECT) to raise suspicion or increase confidence in reporting of sarcomatous lung malignancy by studying characteristics of CECT scan features...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29116117/circulating-microrna-92b-3p-as-a-novel-biomarker-for-monitoring-of-synovial-sarcoma
#15
Koji Uotani, Tomohiro Fujiwara, Aki Yoshida, Shintaro Iwata, Takuya Morita, Masahiro Kiyono, Suguru Yokoo, Toshiyuki Kunisada, Ken Takeda, Joe Hasei, Kunihiko Numoto, Yutaka Nezu, Tsukasa Yonemoto, Takeshi Ishii, Akira Kawai, Takahiro Ochiya, Toshifumi Ozaki
The lack of useful biomarkers is a crucial problem for patients with soft tissue sarcomas (STSs). Emerging evidence has suggested that circulating microRNAs (miRNAs) in body fluids have novel impact as biomarkers for patients with malignant diseases, but their significance in synovial sarcoma (SS) patients remains unknown. Initial global miRNA screening using SS patient serum and SS cell culture media identified a signature of four upregulated miRNAs. Among these candidates, miR-92b-3p secretion from SS cells was confirmed, which was embedded within tumour-derived exosomes rather than argonaute-2...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29108685/synovial-sarcoma-of-the-digits-a-case-report-of-an-unplanned-excision
#16
Julie Taranto, Marek F Havlat
Synovial sarcoma is a rare occurrence in the lower extremity, although the presenting symptoms can mimic those of other more common and benign musculoskeletal pathologies. We present the case of a patient who was originally thought to have a Morton's neuroma or ganglionic cyst. The correct diagnosis, synovial sarcoma, was determined only after an unplanned excision. Despite the patient presenting with symptoms similar to those of a compressive neuropathy, a high index of suspicion should be present when a patient presents with any soft tissue mass, especially if it has an unusual clinical appearance to avoid an unplanned excision...
November 3, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29104083/development-and-evaluation-of-a-pan-sarcoma-fusion-gene-detection-assay-using-the-nanostring-ncounter-platform
#17
Kenneth T E Chang, Angela Goytain, Tracy Tucker, Aly Karsan, Cheng-Han Lee, Torsten O Nielsen, Tony L Ng
The NanoString nCounter assay is a high-throughput hybridization technique using target-specific probes that can be customized to test for numerous fusion transcripts in a single assay using RNA from formalin-fixed, paraffin-embedded material. We designed a NanoString assay targeting 174 unique fusion junctions in 25 sarcoma types. The study cohort comprised 212 cases, 96 of which showed fusion gene expression by the NanoString assay, including all 20 Ewing sarcomas, 11 synovial sarcomas, and 5 myxoid liposarcomas tested...
November 17, 2017: Journal of Molecular Diagnostics: JMD
https://www.readbyqxmd.com/read/29100385/histone-deacetylase-inhibitors-vorinostat-and-panobinostat-induce-g1-cell-cycle-arrest-and-apoptosis-in-multidrug-resistant-sarcoma-cell-lines
#18
Eva Bernhart, Nicole Stuendl, Heike Kaltenegger, Christian Windpassinger, Nicholas Donohue, Andreas Leithner, Birgit Lohberger
Synovial sarcoma and high grade chondrosarcoma are characterized by their lack of response to conventional cytotoxic chemotherapy, the tendency to develop lung metastases, and low survival rates. Research within the field prioritizes the development and expansion of new treatment options for dealing with unresectable or metastatic diseases. Numerous clinical trials using histone deacetylases inhibitors (HDACi) have shown specific efficacy as an active antitumor agent for treating a variety of solid tumors. However, as of yet the effect of different HDACi on synovial- and chondrosarcoma cells has not been investigated...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29100075/comprehensive-and-integrated-genomic-characterization-of-adult-soft-tissue-sarcomas
#19
(no author information available yet)
Sarcomas are a broad family of mesenchymal malignancies exhibiting remarkable histologic diversity. We describe the multi-platform molecular landscape of 206 adult soft tissue sarcomas representing 6 major types. Along with novel insights into the biology of individual sarcoma types, we report three overarching findings: (1) unlike most epithelial malignancies, these sarcomas (excepting synovial sarcoma) are characterized predominantly by copy-number changes, with low mutational loads and only a few genes (TP53, ATRX, RB1) highly recurrently mutated across sarcoma types; (2) within sarcoma types, genomic and regulomic diversity of driver pathways defines molecular subtypes associated with patient outcome; and (3) the immune microenvironment, inferred from DNA methylation and mRNA profiles, associates with outcome and may inform clinical trials of immune checkpoint inhibitors...
November 2, 2017: Cell
https://www.readbyqxmd.com/read/29099001/a-rare-case-of-primary-synovial-sarcoma-of-lung
#20
L K Rajeev, Rajesh Patidar, Govind Babu, M C Suresh Babu, K N Lokesh, Geeta V Patil Okaly
Synovial sarcoma of lung is a very rare tumor accounting for 0.5% of all primary lung malignancy. It presents clinically with cough, chest pain, shortness of breath, or hemoptysis, with a mass lesion on X-ray and computerized tomography scan. Diagnosis is made by histopathology and immunohistochemistry. Here, we report a case of 48-year-old male, who presented with right-sided chest pain, cough with blood-tinged sputum, and found to have primary pulmonary synovial sarcoma of lung.
November 2017: Lung India: Official Organ of Indian Chest Society
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