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https://www.readbyqxmd.com/read/28099917/cleavage-of-fibulin-2-by-the-aggrecanases-adamts-4-and-adamts-5-contributes-to-the-tumorigenic-potential-of-breast-cancer-cells
#1
Tania Fontanil, Saúl Álvarez-Teijeiro, M Ángeles Villaronga, Yamina Mohamedi, Laura Solares, Angela Moncada-Pazos, José A Vega, Olivia García-Suárez, Marcos Pérez-Basterrechea, Juana M García-Pedrero, Alvaro J Obaya, Santiago Cal
Fibulin-2 participates in the assembly of extracellular matrix components through interactions with multiple ligands and promotes contacts between cells and their surrounding environment. Consequently, identification of processes that could lead to an altered Fibulin-2 could have a major impact not only in the maintenance of tissue architecture and morphogenesis but also in pathological situations including cancer. Herein, we have investigated the ability of the secreted metalloproteases ADAMTS-4 and ADAMTS-5 to digest Fibulin-2...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099838/osteoarthritis-year-in-review-2016-biomarkers-biochemical-markers
#2
REVIEW
A Mobasheri, A-C Bay-Jensen, W E van Spil, J Larkin, M C Levesque
PURPOSE: The aim of this "Year in Review" article is to summarize and discuss the implications of biochemical marker related articles published between the Osteoarthritis Research Society International (OARSI) 2015 Congress in Seattle and the OARSI 2016 Congress in Amsterdam. METHODS: The PubMed/MEDLINE bibliographic database was searched using the combined keywords: 'biomarker' and 'osteoarthritis'. The PubMed/MEDLINE literature search was conducted using the Advanced Search Builder function (http://www...
January 2, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28088271/adamts-3-13-16-and-19-levels-in-patients-with-habitual-abortion
#3
Meryem Kuru Pekcan, Esma Sarıkaya, Aytekin Tokmak, Murat Alışık, Afra Alkan, Gülnur Özakşit, Özcan Erel
A disintegrin-like and metalloproteinase domain with thrombospondin-type 1 motifs (ADAMTS) protein superfamily includes 19 secreted metalloproteases. Proteolytic substrates of ADAMTS enzymes have been linked to reproductive function. The aim of this study was to investigate serum ADAMTS-3, -13, -16, and -19 levels in women with habitual abortions compared with those in healthy controls. A total of 86 women were enrolled in this prospective case-control study. ADAMTS-3, -13, -16, and -19 values were recorded and analyzed in association with demographic and clinical parameters...
January 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28079986/establishment-of-an-in-vitro-3-d-model-for-cartilage-damage-in-rheumatoid-arthritis-ra
#4
Yvonne Peck, Li Ting Leom, Pei Fen Patricia Low, Dong-An Wang
Rheumatoid arthritis (RA) is a chronic inflammatory disease that leads to progressive joint destruction. To further understand the process of rheumatoid cartilage damage, an in vitro model consisting of an interactive tri-culture of synovial fibroblasts (SFs), LPS-stimulated macrophages and a primary chondrocyte-based tissue engineered construct was established. The tissue engineered construct has a similar composition to human cartilage, which are rich in collagen type II and proteoglycans. Data generated from this model revealed that healthy chondrocytes were activated in the presence of SFs and macrophages...
January 12, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28066137/betulin-suppressed-interleukin-1%C3%AE-induced-gene-expression-secretion-and-proteolytic-activity-of-matrix-metalloproteinase-in-cultured-articular-chondrocytes-and-production-of-matrix-metalloproteinase-in-the-knee-joint-of-rat
#5
Ho Jong Ra, Hyun Jae Lee, Ho Seung Jo, Dae Cheol Nam, Young Bok Lee, Byeong Hun Kang, Dong Kyu Moon, Dong Hee Kim, Choong Jae Lee, Sun-Chul Hwang
We investigated whether betulin affects the gene expression, secretion and proteolytic activity of matrix metalloproteinase-3 (MMP-3) in primary cultured rabbit articular chondrocytes, as well as in vivo production of MMP-3 in the rat knee joint to evaluate the potential chondroprotective effect of betulin. Rabbit articular chondrocytes were cultured and reverse transcription-polymerase chain reaction (RT-PCR) was used to measure interleukin-1β (IL-1β)-induced gene expression of MMP-3, MMP-1, MMP-13, a disintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS-4), ADAMTS-5 and type II collagen...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28054366/the-role-of-molecular-pain-biomarkers-in-temporomandibular-joint-internal-derangement
#6
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/28033504/reduced-adamts-13-level-negatively-correlates-with-inflammation-factors-in-plasma-of-acute-myeloid-leukemia-patients
#7
Chen Liu, Lei Zhao, Jingzhong Zhao, Qinzhu Xu, Ying Song, Hui Wang
ADAMTS-13 is crucial for maintaining the normal size of vWF. Besides thrombotic thrombocytopenic purpura (TTP), decreased ADAMTS-13 had also been reported in patients with malignancy. However, the knowledge of expression and potential role of ADAMTS-13 in hematological malignancies is still limited. We measured and compared ADAMTS-13 levels in the plasma of 82 acute myeloid leukemia (AML) patients and 34 healthy controls and found that AML patients possessed lower ADAMTS-13 than controls. AML patients with infections possessed lower level of ADAMTS-13 than patients without infections and ADAMTS-13 levels were negatively correlated with C-reactive protein(CRP), IL-6, TNFα and IL-1β...
December 20, 2016: Leukemia Research
https://www.readbyqxmd.com/read/28025555/synthesis-biological-evaluation-and-docking-studies-of-a-novel-sulfonamido-based-gallate-as-pro-chondrogenic-agent-for-the-treatment-of-cartilage
#8
Xiao Lin, Ling Chai, Buming Liu, Hailan Chen, Li Zheng, Qin Liu, Cuiwu Lin
Gallic acid (GA) and its derivatives are anti-inflammatory agents and are reported to have potent effects on Osteoarthritis (OA) treatment. Nonetheless, it is generally accepted that the therapeutic effect and biocompatibility of GA is much weaker than its esters due to the high hydrophilicity. The therapeutic effect of GA on OA could be improved if certain structural modifications were made to increase its hydrophobicity. In this study, a novel sulfonamido-based gallate was synthesized by bonding sulfonamide with GA, and its biological evaluations on OA were investigated...
December 23, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28005398/the-paracrine-effect-of-degenerated-disc-cells-on-healthy-human-nucleus-pulposus-cells-is-mediated-by-mapk-and-nf-%C3%AE%C2%BAb-pathways-and-can-be-reduced-by-tgf-%C3%AE-1
#9
Feng Cai, Lei Zhu, Feng Wang, Rui Shi, Xin-Hui Xie, Xin Hong, Xiao-Hu Wang, Xiao-Tao Wu
Inflammation is thought to have a major role in the pathogenesis of disc degeneration. Studies have shown that nucleus pulposus cells (NPCs) respond to one or two specific cytokines by regulating cell proliferation or matrix synthesis. However, the effects of a cocktail of factors secreted by degenerated disc cells on transplanted exogenous healthy NPCs remain unknown. Concentrations of multiple cytokines in degenerated disc tissue-conditioned medium (dCM) were measured using enzyme-linked immunosorbent assay (ELISA)...
December 22, 2016: DNA and Cell Biology
https://www.readbyqxmd.com/read/27982477/crosstalk-between-t-lymphocytes-and-lung-fibroblasts-generation-of-a-hyaluronan-enriched-extracellular-matrix-adhesive-for-monocytes
#10
Léa Gaucherand, Ben A Falk, Stephen P Evanko, Gail Workman, Christina K Chan, Thomas N Wight
In immunity and inflammation, T cells are often associated with stromal mesenchymal cells such as fibroblasts. Hyaluronan and proteins that associate with hyaluronan such as versican and tumor necrosis factor-inducible gene-6 (TSG-6) are extracellular matrix (ECM) components that promote leukocyte adhesion, accumulation, and activation. However, the factors responsible for producing this specialized ECM and its impact on inflammatory events are not well understood. In this study, we explored the role of T cells in stimulating lung fibroblasts to produce an ECM that impacts monocyte adhesion...
December 16, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27940692/severe-hemolysis-and-pulmonary-hypertension-in-a-neonate-with-upshaw-schulman-syndrome
#11
Nobuyuki Tsujii, Isao Shiraishi, Koichi Kokame, Midori Shima, Yoshihiro Fujimura, Yukihiro Takahashi, Masanori Matsumoto
Pulmonary involvement is extremely rare in thrombotic thrombocytopenic purpura. In this report, we present a girl patient with congenital thrombotic thrombocytopenic purpura, known as Upshaw-Schulman syndrome (USS), complicated with severe hemolysis and pulmonary hypertension (PH). The assay results of a disintegrin-like and metalloprotease with thrombospondin type 1 motifs 13 (ADAMTS13) activity measured by FRETS-VWF73 and ADAMTS13-act-ELISA were different. Hyperbilirubinemia (total bilirubin, 25.3 mg/dL) interfered strongly with the FRETS-VWF73 assay...
December 2016: Pediatrics
https://www.readbyqxmd.com/read/27939472/total-oxidative-and-anti-oxidative-status-and-adamts-12-levels-in-placenta-previa-and-early-onset-severe-preeclampsia
#12
Ayse Kirbas, Korkut Daglar, Gulenay Gencosmanoglu, Zehra Yilmaz, Hakan Timur, Zeynep Inal, Aykan Yucel, Nuri Danisman
AIM: This study was carried out due to the discussions in the literature stating that the inverse association between placenta previa (PP) and preeclampsia (PE). The aim of this study was to determine whether total antioxidant status (TAS), and total oxidant status (TOS) and ADAMTS-12 levels differ among early-onset (<34th gestational week) severe PE (EOS-PE), PP and uncomplicated pregnancies. METHODS: In this case-control study, serum samples obtained from 26 pregnant with EOS-PE, 31 pregnant with PP, and 32 healthy patients with uncomplicated pregnancies (control group)...
October 2016: Pregnancy Hypertension
https://www.readbyqxmd.com/read/27917384/genetic-alterations-in-intervertebral-disc-disease
#13
REVIEW
Nikolay L Martirosyan, Arpan A Patel, Alessandro Carotenuto, M Yashar S Kalani, Evgenii Belykh, Corey T Walker, Mark C Preul, Nicholas Theodore
BACKGROUND: Intervertebral disc degeneration (IVDD) is considered a multifactorial disease that is influenced by both environmental and genetic factors. The last two decades of research strongly demonstrate that genetic factors contribute about 75% of the IVDD etiology. Recent total genome sequencing studies have shed light on the various single-nucleotide polymorphisms (SNPs) that are associated with IVDD. AIM: This review presents comprehensive and updated information about the diversity of genetic factors in the inflammatory, degradative, homeostatic, and structural systems involved in the IVDD...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27916096/-mir-21-promotes-pulmonary-fibrosis-in-rats-via-down-regulating-the-expression-of-adamts-1
#14
Lijing Liu, Huiming Yin, Minjiang Huang, Jianbin He, Gaozhong Yi, Zaiyan Wang, Hong Qian
Objective To observe the effect of miR-21 on bleomycin-induced pulmonary fibrosis in rats, and explore the related mechanism. Methods Peripheral blood was collected from idiopathic pulmonary fibrosis (IPF) patients (n=20) and healthy adults (n=20). Fluorescence quantitative real-time PCR was then used to measure miR-21 expression. Forty-five SD rats were randomly divided into control group, miR-21 agomir group and miR-21 antagomir group. Each group included 15 rats. After establishment of pulmonary fibrosis models by intratracheal administration with bleomycin A5, rats in control group, miR-21 agomir group and miR-21 antagomir group were injected at caudal vein with normal saline, miR21 agomir and miR21 antagomir, respectively...
December 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/27908842/role-of-versican-and-adamts-1-in-polycystic-ovary-syndrome
#15
Sibel Özler, Efser Öztaş, Aytekin Tokmak, Merve Ergin, Meryem Pekcan Kuru, Başak Güler Gümüş, Halil İbrahim Yakut, Nafiye Yılmaz
OBJECTIVE: Background: ADAMTS-1 is a matrix metalloproteinase which cleaves versican in the cumulus oocyte complex, under the effect of luteinizing hormone surge in the periovulatory period. Altered levels of it may have a role in the disease pathogenesis. OBJECTIVE: We aimed to detect serum versican and a disintegrin and metalloproteinase with thrombospondin motif- 1 (ADAMTS-1) levels in polycystic ovary syndrome (PCOS) patients, and compare the results with the healthy controls...
December 2, 2016: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/27902619/association-between-plasma-adamts-7-levels-and-severity-of-disease-in-patients-with-stable-obstructive-coronary-artery-disease
#16
Jie Yu, Boda Zhou, Haiyi Yu, Jiangli Han, Ming Cui, Fuchun Zhang, Guisong Wang, Lijun Guo, Wei Gao
The metalloproteinase family of a disintegrin and metalloproteinase with thrombospondin motifs-7 (ADAMTS-7) was reported to be a novel locus associated with human coronary artery disease. This study aimed to investigate plasma ADAMTS-7 levels in stable obstructive CAD patients and elucidate the relationship between plasma ADAMTS-7 levels and the severity of CAD assessed by the Syntax score.This was a single center cross-sectional study performed in 182 CAD patients. ELISA was used to measure plasma ADAMTS-7 levels...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27879029/progesterone-receptor-and-prostaglandins-mediate-luteinizing-hormone-induced-changes-in-messenger-rnas-for-adamts-proteases-in-theca-cells-of-bovine-periovulatory-follicles
#17
E L Willis, P J Bridges, J E Fortune
Little is known about the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) family of extracellular proteases in ovarian follicles of non-rodent species, particularly in theca cells. In the present study, temporal patterns of change in mRNA for four ADAMTS subtypes and the hormonal transcriptional regulation of two subtypes were investigated in theca cells during the periovulatory period in cattle. Follicles were obtained at 0 h post-gonadotropin-releasing hormone (GnRH; preovulatory) or at 6, 12, 18, or 24 h after injection of GnRH (periovulatory) to induce a luteinizing hormone (LH)/follicle-stimulating hormone surge...
November 23, 2016: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/27878664/diagnosis-and-management-of-acquired-thrombotic-thrombocytopenic-purpura-in-southeast-china-a-single-center-experience-of-60-cases
#18
Xinping Zhou, Xingnong Ye, Yanling Ren, Chen Mei, Liya Ma, Jiansong Huang, Weilai Xu, Juying Wei, Li Ye, Wenyuan Mai, Wenbin Qian, Haitao Meng, Jie Jin, Hongyan Tong
Acquired thrombotic thrombocytopenic purpura (TTP) is a rare life-threatening thrombotic microangiopathy. This study aimed to provide a profile of the diagnosis and management of patients with acquired TTP collected in 10 years in a single center in southeast China. A total of 60 patients diagnosed with acute acquired TTP from March 2005 to August 2015 were enrolled. Among the 60 patients, 52 patients presented with their first episodes, and eight patients had two or more episodes. The median age at presentation was 49 (range, 17 to 78) years with a female predominance (male:female ratio, 1:1...
November 23, 2016: Frontiers of Medicine
https://www.readbyqxmd.com/read/27863298/butein-inhibits-il-1%C3%AE-induced-inflammatory-response-in-human-osteoarthritis-chondrocytes-and-slows-the-progression-of-osteoarthritis-in-mice
#19
Wenhao Zheng, Hui Zhang, Yonglong Jin, Quan Wang, Linwei Chen, Zhenhua Feng, Hua Chen, Yaosen Wu
Osteoarthritis (OA) is a progressive degenerative disease characterized by irreversible articular cartilage destruction. Butein, a polyphenolic compound isolated from the stem bark of cashews and Rhus verniciflua Stokes, has been reported to have anti-inflammatory effects. This study aimed to assess the effect of butein on human OA chondrocytes and mice OA models induced by destabilization of the medial meniscus (DMM). In vitro, human OA chondrocytes were pretreated with butein at 10, 50μM and subsequently stimulated with IL-1β (10ng/ml) for 24h...
January 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/27855162/adamts5-is-a-critical-regulator-of-virus-specific-t-cell-immunity
#20
Meagan McMahon, Siying Ye, Leonard Izzard, Daniel Dlugolenski, Ralph A Tripp, Andrew G D Bean, Daniel R McCulloch, John Stambas
The extracellular matrix (ECM) provides physical scaffolding for cellular constituents and initiates biochemical and biomechanical cues that are required for physiological activity of living tissues. The ECM enzyme ADAMTS5, a member of the ADAMTS (A Disintegrin-like and Metalloproteinase with Thrombospondin-1 motifs) protein family, cleaves large proteoglycans such as aggrecan, leading to the destruction of cartilage and osteoarthritis. However, its contribution to viral pathogenesis and immunity is currently undefined...
November 2016: PLoS Biology
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