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https://www.readbyqxmd.com/read/28231306/effects-of-adamts14-genetic-polymorphism-and-cigarette-smoking-on-the-clinicopathologic-development-of-hepatocellular-carcinoma
#1
Ming-Jen Sheu, Ming-Ju Hsieh, Ying-Erh Chou, Po-Hui Wang, Chao-Bin Yeh, Shun-Fa Yang, Hsiang-Lin Lee, Yu-Fan Liu
BACKGROUND: ADAMTS14 is a member of the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs), which are proteolytic enzymes with a variety of further ancillary domain in the C-terminal region for substrate specificity and enzyme localization via extracellular matrix association. However, whether ADAMTS14 genetic variants play a role in hepatocellular carcinoma (HCC) susceptibility remains unknown. METHODOLOGY/PRINCIPAL FINDINGS: Four non-synonymous single-nucleotide polymorphisms (nsSNPs) of the ADAMTS14 gene were examined from 680 controls and 340 patients with HCC...
2017: PloS One
https://www.readbyqxmd.com/read/28216310/adamts-and-adam-metalloproteinases-in-osteoarthritis-looking-beyond-the-usual-suspects
#2
REVIEW
Chun-Yao Yang, Anastasios Chanalaris, Linda Troeberg
INTRODUCTION: Matrix metalloproteinases and 'aggrecanase' ADAMTSs are well established to play key roles in osteoarthritis (OA) through degradation of extracellular matrix type II collagen and aggrecan, and are thus potential targets for development of OA therapies. OBJECTIVE: This paper aims to provide a comprehensive review of the expression and potential roles of other, lesser-known ADAMTSs and related adamalysins (or ADAMs) in cartilage, with a view to identifying potentially protective or homeostatic metalloproteinases in the joint and informing consequent selective inhibitor design...
February 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28213441/secreted-metalloproteinase-adamts-3-inactivates-reelin
#3
Himari Ogino, Arisa Hisanaga, Takao Kohno, Yuta Kondo, Kyoko Okumura, Takana Kamei, Tempei Sato, Hiroshi Asahara, Hitomi Tsuiji, Masaki Fukata, Mitsuharu Hattori
The secreted glycoprotein Reelin regulates embryonic brain development and adult brain functions. It has been suggested that reduced Reelin activity contributes to the pathogenesis of several neuropsychiatric and neurodegenerative disorders, such as schizophrenia and Alzheimer's disease; however, non-invasive methods that can upregulate Reelin activity in vivo have yet to be developed. We previously found that the proteolytic cleavage of Reelin within Reelin repeat 3 (N-t site) abolishes Reelin activity in vitro, but it remains controversial as to whether this effect occurs in vivo Here we partially purified the enzyme that mediates the N-t cleavage of Reelin from the culture supernatant of cerebral cortical neurons...
February 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28213268/fisetin-inhibits-il-1%C3%AE-induced-inflammatory-response-in-human-osteoarthritis-chondrocytes-through-activating-sirt1-and-attenuates-the-progression-of-osteoarthritis-in-mice
#4
Wenhao Zheng, Zhenhua Feng, Shengban You, Hui Zhang, Zhenyu Tao, Quan Wang, Hua Chen, Yaosen Wu
Osteoarthritis (OA) is a degenerative joint disease characterized by cartilage degradation and inflammation. Fisetin, a polyphenol extracted from fruits and vegetables, has been reported to have anti-inflammatory effects. Our study aimed to investigate the effect of fisetin on OA both in vitro and in vivo. In vitro, chondrocytes were pretreated with fisetin alone or fisetin combined with sirtinol (an inhibitor of SIRT1) for 2h before IL-1β stimulation. Production of NO, PGE2, TNF-α and IL-6 were evaluated by the Griess reaction and ELISAs...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28207543/decreased-adamts-13-level-is-related-to-inflammation-factors-and-risk-stratification-of-acute-lymphoblastic-leukemia-patients
#5
Chen Liu, Lei Zhao, Jingzhong Zhao, Qinzhu Xu, Ying Song, Hui Wang
As a kind of metalloprotease of the ADAMTS family, ADAMTS-13 is crucial for maintaining the normal size of von Willebrand factor. Reduced ADAMTS-13 had been reported in patients with both localized and disseminated malignancies. However, the expression and potential role of ADAMTS-13 in hematological malignancies remain unclear. In this research, we measured and compared ADAMTS-13 levels in plasma of 35 acute lymphoblastic leukemia (ALL) patients and 30 healthy controls and found that ALL patients possessed lower level of ADAMTS-13 than controls...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28202394/platelet-rich-plasma-prp-induces-chondroprotection-via-increasing-autophagy-anti-inflammatory-markers-and-decreasing-apoptosis-in-human-osteoarthritic-cartilage
#6
Mayssam Moussa, Daniel Lajeunesse, George Hilal, Oula El Atat, Gaby Haykal, Rim Serhal, Antonio Chalhoub, Charbel Khalil, Nada Alaaeddine
OBJECTIVES: Autophagy constitutes a defense mechanism to overcome aging and apoptosis in osteoarthritic cartilage. Several cytokines and transcription factors are linked to autophagy and play an important role in the degradative cascade in osteoarthritis (OA). Cell therapy such as platelet rich plasma (PRP) has recently emerged as a promising therapeutic tool for many diseases including OA. However, its mechanism of action on improving cartilage repair remains to be determined. The purpose of this study is to investigate the effect of PRP on osteoarthritic chondrocytes and to elucidate the mechanism by which PRP contributes to cartilage regeneration...
February 13, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28188410/simvastatin-inhibits-il-1%C3%AE-induced-apoptosis-and-extracellular-matrix-degradation-by-suppressing-the-nf-kb-and-mapk-pathways-in-nucleus-pulposus-cells
#7
Tu Ji, Li Wentian, Zhang Yukun, Wu Xinghuo, Song Yu, Kang Liang, Liu Wei, Wang Kun, Li Shuai, Hua Wenbin, Yang Cao
Statins are widely used hypocholesterolemic drugs that block the mevalonate pathway. Some studies have shown that statins may have the potential to inhibit intervertebral disk (IVD) degeneration (IDD). Interleukin (IL)-1β, a catabolic cytokine, is a key regulator of IDD. This study aimed to investigate the mechanism underlying the effect of simvastatin on IDD. The viability of nucleus pulposus (NP) cells was determined by the methyl-thiazolyl-tetrazolium (MTT) assay. The apoptosis of NP cells was measured by flow cytometric analysis, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL), and western blotting of relevant apoptotic proteins...
February 10, 2017: Inflammation
https://www.readbyqxmd.com/read/28182327/microangiopathic-hemolytic-anemia-due-to-adamts-13-loss-in-idiopathic-systemic-capillary-leak-syndrome-reply
#8
Daniel C Moreira, Jorge Di Paola
We sincerely appreciate Dr Thachil's letter, which provides further insight into the case we recently published, in which ADAMTS-13 was likely lost in third-space fluid in a patient with idiopathic systemic capillary leak syndrome (SCLS) and that this loss was proposed as a novel mechanism for microangiopathic hemolytic anemia (MAHA) [1]. As mentioned in the original publication, identifying high levels of ADAMTS-13 in the transudate fluid would have proven the proposed mechanism, but unfortunately a sample of the transudate fluid was not available...
February 9, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28176471/subclinical-atypical-haemolytic-uremic-syndrome-relapse-following-discontinuation-of-eculizumab
#9
REVIEW
Shi Zhou Choo, Fiona Brown
A 25-year-old man presented with microangiopathic haemolytic anaemia and acute kidney injury. With a normal ADAMTS-13 level, negative faecal shiga-toxin test and strong family history of atypical haemolytic uremic syndrome, he was commenced on eculizumab to good clinical response. Subsequent genetic testing revealed a heterozygous complement factor H mutation. Eculizumab was discontinued after 44 months of treatment, and he relapsed within 6 months, with the first sign being downtrending haptoglobin levels, with no other markers of haemolysis or thrombocytopaenia, 5 weeks prior to development of acute kidney injury...
February 2017: Nephrology
https://www.readbyqxmd.com/read/28170076/biomimetic-sulphated-alginate-hydrogels-suppress-il-1%C3%AE-induced-inflammatory-responses-in-human-chondrocytes
#10
Ø Arlov, M Steinwachs, G Skjåk-Bræk, M Zenobi-Wong
Loss of articular cartilage from ageing, injury or degenerative disease is commonly associated with inflammation, causing pain and accelerating degradation of the cartilage matrix. Sulphated glycosaminoglycans (GAGs) are involved in the regulation of immune responses in vivo, and analogous polysaccharides are currently being evaluated for tissue engineering matrices to form a biomimetic environment promoting tissue growth while suppressing inflammatory and catabolic activities. Here, we characterise physical properties of sulphated alginate (S-Alg) gels for use in cartilage engineering scaffolds, and study their anti-inflammatory effects on encapsulated chondrocytes stimulated with IL-1β...
February 7, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28155614/cartilage-oligomeric-matrix-protein-matricellular-and-matricrine-signaling-in-cardiovascular-homeostasis-and-disease
#11
Yi Fu, Wei Kong
Cardiovascular (CV) diseases remain a leading cause of morbidity and mortality in the world. Increasing the understanding of the pathogenesis of various CV diseases may provide novel therapeutic targets to improve their prevention and treatment. Cartilage oligomeric matrix protein (COMP), also known as thrombospondin-5 (TSP-5), is a matricellular protein that is abundantly expressed in both cartilage and the CV system. Our group and others have identified COMP as playing critical roles in maintaining CV homeostasis...
February 1, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28150310/plasma-treated-with-amotosalen-and-ultraviolet-a-light-retains-activity-for-hemostasis-after-5-days-post-thaw-storage-at-1-to-6-o-c
#12
Anna Erickson, Katie Waldhaus, Tovo David, Norman Huang, Salvador Rico, Laurence Corash, Nina Mufti, Richard J Benjamin
BACKGROUND: Plasma thawed and stored at 1 to 6(°) C for up to 5 days (thawed plasma [TP]) provides rapid availability in emergencies and reduces plasma waste, but it carries risks of coagulation factor loss or activation, bacterial outgrowth, and viral contamination. We characterized changes in amotosalen/ultraviolet A (UVA) light pathogen-reduced, fresh-frozen plasma (FFP) and plasma frozen within 24 hours (PF24) with post-thaw storage. STUDY DESIGN AND METHODS: Amotosalen/UVA light-treated FFP and PF24 were thawed after approximately 3 to more than 12 months of frozen storage and held at 1 to 6(°) C for 5 days...
February 1, 2017: Transfusion
https://www.readbyqxmd.com/read/28150184/thrombotic-thrombocytopenic-purpura-in-a-new-onset-lupus-patient
#13
Nery Sablón González, Noel Lorenzo, Yanet Parodis, Maria Belen Alonso Ortiz, Melek Kechida, Jose Carlos Rodriguez Perez
We are presenting a case of TTP with undetectable levels of ADAMTS 13 in a 39-year-old woman. Diagnosis of systemic lupus was evoked in the setting of thrombotic microangiopathy. The patient presented normal renal function but important neurological impairment. Treatment with daily plasmapheresis as well as Rituximab, cyclophosphamide as steroids was required to achieve clinical improvement.
February 2, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28149534/iapp-modulates-cellular-autophagy-apoptosis-and-extracellular-matrix-metabolism-in-human-intervertebral-disc-cells
#14
Xinghuo Wu, Yu Song, Wei Liu, Kun Wang, Yong Gao, Shuai Li, Zhenfeng Duan, Zengwu Shao, Shuhua Yang, Cao Yang
The pathogenic process of intervertebral disc degeneration (IDD) is characterized by imbalance in the extracellular matrix (ECM) metabolism. Nucleus pulposus (NP) cells have important roles in maintaining the proper structure and tissue homeostasis of disc ECM. These cells need adequate supply of glucose and oxygen. Islet amyloid polypeptide (IAPP) exerts its biological effects by regulating glucose metabolism. The purpose of this study was to investigate the expression of IAPP in degenerated IVD tissue, and IAPP modulation of ECM metabolism in human NP cells, especially the crosstalk mechanism between apoptosis and autophagy in these cells...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28123746/high-expression-of-adamts5-is-a-potent-marker-for-lymphatic-invasion-and-lymph-node-metastasis-in-colorectal-cancer
#15
Naotsugu Haraguchi, Nobuyoshi Ohara, Jun Koseki, Hidekazu Takahashi, Junichi Nishimura, Taishi Hata, Tsunekazu Mizushima, Hirofumi Yamamoto, Hideshi Ishii, Yuichiro Doki, Masaki Mori
Members of the ADAMTS family contain propeptide, metalloproteinase and disintegrin domains and serve key roles for cancer cell proliferation, progression and metastasis. Although overexpression of ADAMTS5 has been reported in glioblastoma, and head and neck cancer, little has been demonstrated in colorectal cancer types. The present study aimed to clarify the significance of ADAMTS5 for clinicopathological factors and prognosis in colorectal cancer. The mRNA expression of ADAMTS5 was measured in 143 colorectal cancer specimens...
January 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28122158/microangiopathic-hemolytic-anemia-due-to-adamts-13-loss-in-idiopathic-systemic-capillary-leak-syndrome-comment
#16
Jecko Thachil
Moreira et al describe a fascinating case of a five-year-old who developed microangiopathic hemolytic anemia (MAHA) a week after presentation with idiopathic systemic capillary leak syndrome (SCLS) and propose ADAMTS-13 loss in the third-space fluid as the cause of MAHA [1]. It would however be useful if the authors could provide the values of vascular endothelial growth factor (VEGF) and von willebrand factor (VWF) levels in this patient during the illness episode before this conclusion is made. Endothelial dysfunction is well-known to cause very high levels of both VEGF and VWF, to the extent in many experimental studies; these markers are used as a marker for endothelial activation and altered function [2, 3]...
January 25, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28104539/whole-body-vibration-of-mice-induces-progressive-degeneration-of-intervertebral-discs-associated-with-increased-expression-of-il-1%C3%AE-and-multiple-matrix-degrading-enzymes
#17
M R McCann, M Veras, C Yeung, G Lalli, P Patel, K M Leitch, D W Holdsworth, S J Dixon, C A Séguin
OBJECTIVE: Whole-body vibration (WBV) is a popular fitness trend based on claims of increased muscle mass, weight loss and reduced joint pain. Following its original implementation as a treatment to increase bone mass in patients with osteoporosis, WBV has been incorporated into clinical practice for musculoskeletal disorders, including back pain. However, our recent studies revealed damaging effects of WBV on joint health in a murine model. In this report, we examined potential mechanisms underlying disc degeneration following exposure of mice to WBV...
January 16, 2017: Osteoarthritis and Cartilage
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
#18
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
#19
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...
February 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28088271/adamts-3-13-16-and-19-levels-in-patients-with-habitual-abortion
#20
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
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