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https://www.readbyqxmd.com/read/29766025/isoliquiritigenin-inhibits-il-1%C3%AE-induced-production-of-matrix-metalloproteinase-in-articular-chondrocytes
#1
Lei Zhang, Shiyun Ma, Hang Su, Jiaxiang Cheng
Osteoarthritis (OA) is a major joint disease in which inflammatory cytokine interleukin-1β (IL-1β) and matrix metalloproteinases (MMPs) play a pivotal role. Isoliquiritigenin has been reported to have anti-inflammation activity. In this study, the effect of isoliquiritigenin on IL-1β-induced production of matrix metalloproteinase and nuclear factor κB (NF-κB) activation was analyzed. We treated primary cultured articular chondrocytes with isoliquiritigenin and the expressions of MMPs were analyzed on mRNA and protein level...
June 15, 2018: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29760713/human-leukocyte-antigen-class-i-alleles-and-the-autoreactive-t-cell-response-in-psoriasis-pathogenesis
#2
REVIEW
Jörg Christoph Prinz
Psoriasis is a complex immune-mediated inflammatory skin disease characterized by T-cell-driven epidermal hyperplasia. It occurs on a strong genetic predisposition. The human leukocyte antigen (HLA)-class I allele HLA-C*06:02 on psoriasis susceptibility locus 1 (PSORS1 on 6p21.3) is the main psoriasis risk gene. Other HLA-class I alleles encoding HLA molecules presenting overlapping peptide repertoires show associations with psoriasis as well. Outside the major histocompatibility complex region, genome-wide association studies identified more than 60 psoriasis-associated common gene variants exerting only modest individual effects...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29760619/adamts13-deficiency-and-immunological-abnormalities-in-patients-with-systemic-sclerosis
#3
Zofia Gerlicz-Kowalczuk, Jolanta D Torzecka, Elżbieta Dziankowska-Zaborszczyk, Alicja Ograczyk, Anna M Zalewska-Janowska, Anna Woźnicka, Bożena Dziankowska-Bartkowiak
Introduction: Systemic sclerosis (SSc) is a chronic autoimmune connective tissue disorder characterized by immunological deviations and generalized microvascular damage. Aim: To determine the serum level of the von Willebrand factor cleaving protease (ADAMTS13) in 39 SSc patients and healthy controls. Material and methods: ADAMTS13 serum level was determined in 39 SSc patients and 11 healthy controls. Complete history of the patients was recorded and thorough clinical, rheumatological, and dermatological examinations were performed...
April 2018: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29758265/interactions-between-lysyl-oxidases-and-adamts-proteins-suggest-a-novel-crosstalk-between-two-extracellular-matrix-families
#4
Rohtem Aviram, Shelly Zaffryar-Eilot, Dirk Hubmacher, Hagar Grunwald, Joni M Mäki, Johanna Myllyharju, Suneel S Apte, Peleg Hasson
The extracellular matrix (ECM) regulates numerous cellular events in addition to providing structural integrity. Among several protein and enzyme families implicated in functions of the ECM, the lysyl oxidases and ADAMTS proteins are known to participate in microfibril and elastic fiber formation as well as ECM-associated signaling. A yeast two-hybrid screen to identify lysyl oxidase (LOX) binding proteins identified ADAMTSL4 as a potential interactor. We demonstrate here that several members of the LOX and ADAMTS families interact with one another...
May 11, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29750395/adamts-12-protects-against-inflammatory-arthritis-through-interacting-with-and-inactivating-proinflammatory-ctgf
#5
Jian-Lu Wei, Wenyu Fu, Aubryanna Hettinghouse, Wen-Jun He, Kenneth E Lipson, Chuan-Ju Liu
OBJECTIVE: It has been reported that a disintegrin and metalloproteinase with thrombospondin motifs-12 (ADAMTS-12) is a susceptibility gene for rheumatoid arthritis (RA) development, and its level is significantly increased in RA patients. In addition, ADAMTS-12 was also reported to be required for normal inflammation. This study aims to determine the role of ADAMTS-12 and the underlying mechanisms in the pathogenesis of inflammatory arthritis. METHODS: The collagen-induced arthritis (CIA) model was established in ADAMTS-12-deficient mice and their control littermates to determine the role of ADAMTS-12 in vivo; microCT scanning was used to demonstrate the destruction of ankle joint; histological analysis illustrated synovitis, pannus formation, as well as bone and cartilage destruction; ELISA was performed to measure serum levels of inflammatory cytokines; Protein-protein interaction assays were performed to detect the interactions of ADAMTS-12 and its various deletion mutants with connective tissue growth factor (CTGF)...
May 11, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29748528/salmon-calcitonin-attenuates-degenerative-changes-in-cartilage-and-subchondral-bone-in-lumbar-facet-joint-in-an-experimental-rat-model
#6
Yu Gou, Faming Tian, Qingfu Kong, Tiangang Chen, Hetong Li, Qinglie Lv, Liu Zhang
BACKGROUND Facet joint degeneration (FJD) is one of the common causes of low back pain (LBP), and estrogen deficiency is one of the triggers for FJD. Calcitonin may possess the potential for treating osteoarthritis, but to date the hormone has not been studied in the treatment of FJD. Therefore, the aim of this study was to investigate the effects of salmon calcitonin (sCT) on FJD induced by estrogen deficiency after ovariectomy (OVX). MATERIAL AND METHODS Thirty female Sprague-Dawley rats were randomly assigned to 3 groups: the OVX group received bilateral OVX, the OVX + sCT group received subcutaneous administration of sCT (16 IU/kg/2 days) following bilateral OVX, and the Sham group received sham surgery...
May 7, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29745431/metabolic-responses-of-meniscal-explants-to-injury-and-inflammation-ex-vivo
#7
Alex E Cook, Aaron M Stoker, Emily V Leary, Ferris M Pfeiffer, James L Cook
This study was designed to characterize metabolic responses of meniscal tissue explants to injury and inflammation. We hypothesized that impact injury and interleukin (IL-1β) stimulation of meniscal explants would result in significant increases in matrix metalloproteinase (MMP) activity and relevant cytokine production compared to controls. Mature canine meniscal explants (n = 9/group) were randomly assigned to: 1) IL-1β (0.1ng/ml) treated (IL), 2) 25% strain (25), 3) 75% strain (75), 4) 25% + IL-1β (25IL), 5) 75% + IL-1β (75IL), or 6) 0% + no IL-1β control (NC)...
May 10, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29737873/adamts1-and-adamts5-metalloproteases-produced-by-sertoli-cells-a-potential-diagnostic-marker-in-azoospermia
#8
Oya Sena Aydos, Yunus Yukselten, Sinan Ozkavukcu, Asuman Sunguroglu, Kaan Aydos
In this study, our aim was to detect protein levels of A Disintegrin and Metalloproteinase with Thrombospondin Motifs 1 and 5 (ADAMTS1 and ADAMTS5) proteases and to examine the effect of in vitro FSH supplementation on protease production in cultured Sertoli cells. The expression of metalloproteases, ADAMTS1, and ADAMTS5 were investigated in Sertoli cell cultures as well as in ejaculate of azoospermic men which then were compared with ejaculates of the fertile control group. A total of 15 azoospermic men, diagnosed as obstructive (OA, n = 5) and nonobstructive (NOA, n = 10) azoospermia were included in the study...
May 8, 2018: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29720262/upper-zone-of-growth-plate-and-cartilage-matrix-associated-protein-protects-cartilage-during-inflammatory-arthritis
#9
Fritz Seuffert, Daniela Weidner, Wolfgang Baum, Georg Schett, Michael Stock
BACKGROUND: ADAMTS aggrecanases play a major role in cartilage degeneration during degenerative and inflammatory arthritis. The cartilage-specific secreted protein Upper zone of growth plate and cartilage matrix associated protein (Ucma) has been shown to block ADAMTS-triggered aggrecanolysis in experimental osteoarthritis. Here we aimed to investigate whether and how Ucma may affect cartilage destruction and osteophyte formation in the context of inflammatory arthritis. METHODS: Ucma-ADAMTS5 protein interactions were studied using slot blot and solid phase binding assays...
May 2, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29709596/vascular-aspects-of-the-ehlers-danlos-syndromes
#10
REVIEW
Fransiska Malfait
The Ehlers-Danlos Syndromes comprise a heterogeneous group of rare monogenic conditions that are characterized by joint hypermobility, skin and vascular fragility and generalized connective tissue friability. The latest classification recognizes 13 clinical subtypes, with mutations identified in 19 different genes. Besides defects in fibrillar collagens (collagen types I, III and V), their modifying enzymes (ADAMTS-2, lysylhydroxylase 1 (LH1)), and molecules involved in collagen folding (FKBP22), defects have recently been identified in other constituents of the extracellular matrix (e...
April 27, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29702061/aggrecanase-degradation-of-type-iii-collagen-is-associated-with-clinical-knee-pain
#11
A C Bay-Jensen, C F Kjelgaard-Petersen, K K Petersen, L Arendt-Nielsen, H L Quasnichka, A Mobasheri, M A Karsdal, D J Leeming
There is a lack of biochemical markers for non-invasive and objective assessment of symptomatic osteoarthritis (OA). Aggrecanase activity has been shown to be associated with joint deterioration and symptomatic disease through the degradation of extracellular matrix proteins, such as type III collagen. Our study aimed to identify and develop a novel biomarker by measuring an aggrecanase-mediated type III collagen neoepitope, and correlate levels of this biomarker with OA joint pain. Mass spectrometric analysis of purified type III collagen, degraded by the aggrecanase A Disintigrin and Metalloproteinase with Thrombospondin motif (ADAMTS), revealed a fragment generated by ADAMTS-1, -4 and -8...
April 24, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29701048/-mechanism-of-thermosensitive-moxibustion-on-knee-osteoarthritis-in-rabbit-models
#12
Yong Fu, Shutao Chen, Jiaona Mao, Yi Pan, Chao Huang, Jun Xiong, Chunchuan Yan, Xiaodong Huang, Haifeng Zhang
OBJECTIVE: To observe the impacts of thermosensitive moxibustion (TSM) on the expressions of nitric oxide (NO), typeⅠdisintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS-4), typeⅡcollagen and proteoglycan (PG) in the rabbit models of knee osteoarthritis (KOA) and explore the mechanism of TSM on KOA. METHODS: A total of 42 Japanese long-eared male rabbits were divided into a blank group (6 rabbits), a model group (6 rabbits), a moxibustion group (24 rabbits) and a sham-operation group (6 rabbits) according to the random number table...
March 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29694979/promotion-of-tumor-growth-by-adamts4-in-colorectal-cancer-focused-on-macrophages
#13
Jianjun Chen, Yang Luo, Yong Zhou, Shaolan Qin, Yier Qiu, Ran Cui, Minhao Yu, Jun Qin, Ming Zhong
BACKGROUND/AIMS: ADAMTSs (A disintegrin and metalloprotease domains with thrombospondins motifs) are a family of extracellular proteases that have been related to both oncogenic and tumor-suppressive functions. The aim of the present study was to investigate: 1) the mutation, copy-number alterations, and expression profile of ADAMTSs in colorectal cancer and 2) whether ADAMTSs participate in colorectal cancer (CRC) progression and invasion. METHODS: The mutation, copy-number alterations, and expression profile of ADAMTSs in CRC were analyzed in the TCGA cohort using cBioportal...
April 20, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29659973/the-diagnostic-challenge-of-acquired-thrombotic-thrombocytopenic-purpura-in-children-case-report-and-review-of-the-literature
#14
Elise Schapkaitz, Tanya Marié Schickerling
Acquired thrombotic thrombocytopenic purpura (TTP) is a rare disease in children. Despite advances in diagnosis and treatment, acquired TTP remains a challenging disease due to the lack of a simple diagnostic test and the variable response to plasma exchange. Herein, we describe a case of a 5-year-old of black ethnicity boy who presented with a sudden onset of fatigue and body aches. Laboratory investigations revealed a thrombotic microangiopathic manifestation. TTP was diagnosed, and plasma exchange and corticosteroids were initiated, with an excellent response...
April 12, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29657197/adamts-13-level-in-children-with-severe-diarrhea-associated-hemolytic-uremic-syndrome-unmasking-new-association
#15
Naglaa A Khalifa, Heba H Gawish, Noora A Khalifa, Doaa M Tawfeek, Saed M Morsy
Severe deficiency of ADAMTS-13 leads to thrombotic thrombocytopenic purpura. Few studies have reported reduced activity of ADAMTS-13 in patients with atypical and typical hemolytic uremic syndrome (HUS). We hypothesized that ADAMTS-13 deficiency might play a role in the pathogenesis of severe HUS. This study aimed to evaluate the ADAMTS-13 level in severe typical HUS. This prospective case-control study was carried out in the Pediatric Nephrology Unit and Clinical Pathology Department, Faculty of Medicine, Zagazig University from February 2013 to February 2014...
March 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29649548/spontaneous-atopic-dermatitis-due-to-immune-dysregulation-in-mice-lacking-adamts2-and-14
#16
L Dupont, G Ehx, M Chantry, C Monseur, C Leduc, L Janssen, D Cataldo, M Thiry, C Jerome, J-M Thomassin, B Nusgens, J Dubail, F Baron, A Colige
Since its first description, ADAMTS14 has been considered as an aminoprocollagen peptidase based on its high similarity with ADAMTS3 and ADAMTS2. As its importance for procollagen processing was never experimentally demonstrated in vivo, we generated Adamts14-deficient mice. They are healthy, fertile and display normal aminoprocollagen processing. They were further crossed with Adamts2-deficient mice to evaluate potential functional redundancies between these two highly related enzymes. Initial characterizations made on young Adamts2-Adamts14-deficient animals showed the same phenotype as that of Adamts2-deficient mice, with no further reduction of procollagen processing and no significant aggravation of the structural alterations of collagen fibrils...
April 9, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29649084/vertebral-augmentation-can-induce-early-signs-of-degeneration-in-the-adjacent-intervertebral-disc-evidence-from-a-rabbit-model
#17
Zhiyun Feng, Lunhao Chen, Xiaojian Hu, Ge Yang, Yue Wang, Zhong Chen
STUDY DESIGN: An experimental study. OBJECTIVE: The aim of this study was to determine the effect of polymethylmethacrylate (PMMA) augmentation on the adjacent disc. SUMMARY OF BACKGROUND DATA: Vertebral augmentation with PMMA reportedly may predispose the adjacent vertebra to fracture. The influence of PMMA augmentation on the adjacent disc, however, remains unclear. METHODS: Using a retroperitoneal approach, PMMA augmentation was performed for 23 rabbits...
April 11, 2018: Spine
https://www.readbyqxmd.com/read/29624002/expression-of-adamts-7-in-myocardial-dystrophy-associated-with-white-muscle-disease-in-lambs
#18
N Yumusak, A Yigin, P F Polat, M Hitit, R Yilmaz
The aim of the present study was to investigate the role of ADAMTS-7 gene in the pathogenesis of myocardial dystrophy associated with white muscle disease (WMD) in lambs. A total of 217 cardiac tissue samples from lambs with WMD were used in the study. Histopathological sections of the samples were stained with hematoxylin-eosin (HE) and examined using Western-blot, real-time PCR (RT-PCR) and immunohistochemistry for ADAMTS-7 gene expression, and the findings were statistically evaluated. Histopathological examinations revealed fibrosis associated with hyalinization, necrosis and granular calcifications in cardiomyocytes...
March 2018: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29622560/role-of-adamts-a-disintegrin-and-metalloproteinase-with-thrombospondin-motifs-5-in-aortic-dilatation-and-extracellular-matrix-remodeling
#19
Marika Fava, Javier Barallobre-Barreiro, Ursula Mayr, Ruifang Lu, Athanasios Didangelos, Ferheen Baig, Marc Lynch, Norman Catibog, Abhishek Joshi, Temo Barwari, Xiaoke Yin, Marjan Jahangiri, Manuel Mayr
OBJECTIVE: Thoracic aortic aneurysm (TAA), a degenerative disease of the aortic wall, is accompanied by changes in the structure and composition of the aortic ECM (extracellular matrix). The ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) family of proteases has recently been implicated in TAA formation. This study aimed to investigate the contribution of ADAMTS-5 to TAA development. APPROACH AND RESULTS: A model of aortic dilatation by AngII (angiotensin II) infusion was adopted in mice lacking the catalytic domain of ADAMTS-5 (Adamts5Δcat )...
April 5, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29618156/adamts-13-activity-predicts-outcome-in-acute-ischaemic-stroke-patients-undergoing-endovascular-treatment
#20
Ramona Schuppner, Meike Dirks, Gerrit M Grosse, Matthias Böckmann, Friedrich Goetz, Thomas Pasedag, Stefanie M Bode-Böger, Jens Martens-Lobenhoffer, Ulrich Budde, Heinrich Lanfermann, Ralf Lichtinghagen, Karin Weissenborn, Hans Worthmann
BACKGROUND:  Endovascular treatment improves outcome in patients with acute ischaemic stroke due to large vessel occlusion in general. But outcome in some of these patients is jeopardized by recanalization failure or bleeding. OBJECTIVES:  This study aimed to determine a possible association of mediators of inflammation and haemostasis (C-reactive protein, interleukin-6, matrix metalloproteinase-9, monocyte chemoattractant protein-1, asymmetric dimethylarginine [ADMA], symmetric dimethylarginine, von Willebrand factor and a disintegrin and metalloproteinase with a thrombospondin type 1 motif 13 [ADAMTS-13]) with the post-intervention grade of reperfusion, complications and clinical outcome in patients who underwent endovascular treatment of ischaemic stroke...
April 2018: Thrombosis and Haemostasis
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