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Thrombospondin

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https://www.readbyqxmd.com/read/27911324/proteomics-analysis-of-blood-serums-from-alzheimer-s-disease-patients-using-itraq-labeling-technology
#1
Liming Shen, Liping Liao, Cheng Chen, Yi Guo, Dalin Song, Yong Wang, Youjiao Chen, Kaoyuan Zhang, Ming Ying, Shuiming Li, Qiong Liu, Jiazuan Ni
Alzheimer' disease (AD) is the most common form of dementia affecting up to 6% of the population over the age of 65. In order to discover differentially expressed proteins that might serve as potential biomarkers, the serums from AD patients and healthy controls were compared and analyzed using the proteomics approach of isobaric tagging for relative and absolute quantitation (iTRAQ). For the first time, AD biomarkers in serums are investigated in the Han Chinese population using iTRAQ labeled proteomics strategy...
December 1, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27908842/role-of-versican-and-adamts-1-in-polycystic-ovary-syndrome
#2
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
#3
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/27900031/chromosome-16q-genes-cdh1-cdh13-and-adamts18-are-correlated-and-frequently-methylated-in-human-lymphoma
#4
Lobna Alkebsi, Hiroshi Handa, Akihiko Yokohama, Takayuki Saitoh, Norifumi Tsukamoto, Hirokazu Murakami
The products of the E-cadherin (CDH1), H-cadherin (CDH13) and a disintegrin and metalloproteinase with thrombospondin motif 18 (ADAMTS18) genes are proteins displaying structural features and functions on the cell surface membrane, and have been reported to be involved in cancer progression. Using reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and methylation-specific PCR (MSP) analysis, the promoter methylation status and messenger RNA (mRNA) expression levels of CDH1, CDH13 and ADAMTS18, which are putative tumor-suppressor genes located on chromosome 16q, were evaluated...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895300/thsd1-thrombospondin-type-1-domain-containing-protein-1-mutation-in-the-pathogenesis-of-intracranial-aneurysm-and-subarachnoid-hemorrhage
#5
Teresa Santiago-Sim, Xiaoqian Fang, Morgan L Hennessy, Stephen V Nalbach, Steven R DePalma, Ming Sum Lee, Steven C Greenway, Barbara McDonough, Georgene W Hergenroeder, Kyla J Patek, Sarah M Colosimo, Krista J Qualmann, John P Hagan, Dianna M Milewicz, Calum A MacRae, Susan M Dymecki, Christine E Seidman, J G Seidman, Dong H Kim
BACKGROUND AND PURPOSE: A ruptured intracranial aneurysm (IA) is the leading cause of a subarachnoid hemorrhage. This study seeks to define a specific gene whose mutation leads to disease. METHODS: More than 500 IA probands and 100 affected families were enrolled and clinically characterized. Whole exome sequencing was performed on a large family, revealing a segregating THSD1 (thrombospondin type 1 domain containing protein 1) mutation. THSD1 was sequenced in other probands and controls...
December 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27891624/quarantine-versus-pathogen-reduced-plasma-coagulation-factor-content-and-rotational-thromboelastometry-coagulation
#6
Oliver M Theusinger, David Goslings, Jan-Dirk Studt, Brigitte Brand-Staufer, Burkhardt Seifert, Donat R Spahn, Beat M Frey
BACKGROUND: Different types of fresh-frozen plasma (FFP) exist, and the concentrations of plasma proteins vary between individuals and blood groups. Furthermore, processing may also influence the content. Quarantine-stored plasma (qFFP) and plasma that was pathogen-reduced using blood-safety (Intercept) technology (piFFP) were analyzed regarding procoagulant and anticoagulant hemostasis proteins, including endogenous thrombin (thrombin-generation) potential (ETP). MATERIALS AND METHODS: Thirty-five samples of each type of FFP were analyzed using only male Blood Group O donors...
November 27, 2016: Transfusion
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
#7
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/27878658/role-of-matricellular-proteins-in-disorders-of-the-central-nervous-system
#8
A R Jayakumar, A Apeksha, M D Norenberg
Matricellular proteins (MCPs) are actively expressed non-structural proteins present in the extracellular matrix, which rapidly turnover and possess regulatory roles, as well as mediate cell-cell interactions. MCPs characteristically contain binding sites for other extracellular proteins, cell surface receptors, growth factors, cytokines and proteases, that provide structural support for surrounding cells. MCPs are present in most organs, including brain, and play a major role in cell-cell interactions and tissue repair...
November 23, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27861788/phenotypically-resembling-myeloid-derived-suppressor-cells-are-increased-in-children-with-hiv-and-exposed-infected-with-mycobacterium-tuberculosis
#9
Nelita Du Plessis, Ruschca Jacobs, Andrea Gutschmidt, Zhuo Fang, Paul D van Helden, Manfred B Lutz, Anneke C Hesseling, Gerhard Walzl
Increased disease susceptibility during early life has been linked to immune immaturity, regulatory T-cell/TH2 immune biasing and hyporesponsiveness. The contribution of myeloid derived suppressor cells (MDSCs) remains uninvestigated. Here, we assessed peripheral MDSC in HIV-infected and -uninfected children with tuberculosis (TB) disease before, during and after TB treatment, along with matched household contacts (HHCs), HIV-exposed, -infected and -uninfected children without recent TB exposure. Serum analytes and enzymes associated with MDSC accumulation/activation/function were measured by colorimetric- and fluorescence arrays...
November 8, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27857980/cutaneous-expression-of-a-disintegrin-like-and-metalloprotease-domain-containing-thrombospondin-type-1-motif-like-5-adamtsl5-in-psoriasis-goes-beyond-melanocytes
#10
Kathleen M Bonifacio, Norma Kunjravia, James G Krueger, Judilyn Fuentes-Duculan
A Disintegrin-like and Metalloprotease domain containing Thrombospondin type 1 motif-like 5 (ADAMTSL5) is a melanocyte-derived protein that has recently been implicated as an activating antigen for IL-17-producing T cells in psoriasis. There is a potential disconnect between the basal location of the melanocytes in the epidermis and the fact that T-cell infiltrates are seen mostly scattered in the epidermis with very large infiltrates in the dermis. Thus, we hypothesized that ADAMTSL5 may be expressed in other cells aside from melanocytes in skin...
October 2016: Journal of Pigmentary Disorders
https://www.readbyqxmd.com/read/27855162/adamts5-is-a-critical-regulator-of-virus-specific-t-cell-immunity
#11
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
https://www.readbyqxmd.com/read/27844209/the-impact-of-parathyroidectomy-on-serum-adamts1-adamts4-levels-insulin-resistance-and-subclinical-cardiovascular-disease-in-primary-hyperparathyroidism
#12
Melia Karakose, Mustafa Caliskan, Muyesser Sayki Arslan, Taner Demirci, Suleyman Karakose, Erman Cakal
PURPOSE: Primary hyperparathyroidism has been associated with increased incidence of morbidity and mortality of the cardiovascular system. The etiopathogenetic mechanisms underlying this association are still not completely clear. Accumulating evidence suggested that a disintegrin and metalloproteinase with thrombospondin-like motifs (ADAMTS) has a role in the development of inflammation and atherosclerosis. In this study, we aimed to determine whether there is a change in serum levels of ADAMTS1, ADAMTS4, carotid intima-media thickness, and cardiovascular risk score after the surgery and also whether there is a relationship between ADAMTS levels and cardiovascular risk score in hypercalcemic primary hyperparathyroidism patients...
November 14, 2016: Endocrine
https://www.readbyqxmd.com/read/27832590/plasmodium-merozoite-trap-family-protein-is-essential-for-vacuole-membrane-disruption-and-gamete-egress-from-erythrocytes
#13
Daniel Y Bargieri, Sabine Thiberge, Chwen L Tay, Alison F Carey, Alice Rantz, Florian Hischen, Audrey Lorthiois, Ursula Straschil, Pallavi Singh, Shailja Singh, Tony Triglia, Takafumi Tsuboi, Alan Cowman, Chetan Chitnis, Pietro Alano, Jake Baum, Gabriele Pradel, Catherine Lavazec, Robert Ménard
Surface-associated TRAP (thrombospondin-related anonymous protein) family proteins are conserved across the phylum of apicomplexan parasites. TRAP proteins are thought to play an integral role in parasite motility and cell invasion by linking the extracellular environment with the parasite submembrane actomyosin motor. Blood stage forms of the malaria parasite Plasmodium express a TRAP family protein called merozoite-TRAP (MTRAP) that has been implicated in erythrocyte invasion. Using MTRAP-deficient mutants of the rodent-infecting P...
November 9, 2016: Cell Host & Microbe
https://www.readbyqxmd.com/read/27822882/plasma-von-willebrand-factor-levels-predict-in-hospital-survival-in-patients-with-acute-on-chronic-liver-failure
#14
K S Prasanna, Ashish Goel, G Jayakumar Amirtharaj, Anup Ramachandran, K A Balasubramanian, Ian Mackie, Uday Zachariah, K G Sajith, Elwyn Elias, C E Eapen
BACKGROUND AND AIMS: Circulating levels of von Willebrand factor (vWF) predict mortality in patients with cirrhosis. We hypothesized that systemic inflammation in acute-on-chronic liver failure (ACLF) will stimulate endothelium, increase vWF levels, and promote platelet microthrombi causing organ failure. METHODS: In this prospective study, we correlated plasma vWF levels with organ failure, liver disease severity, sepsis, and systemic inflammatory response syndrome (SIRS) and also analyzed if vWF levels predicted in-hospital composite poor outcome (i...
November 8, 2016: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/27795521/von-willebrand-factor-and-von-willebrand-disease
#15
Taei Matsui, Jiharu Hamako
von Willebrand factor (VWF) has two major roles in hemostasis, as a form of molecular glue which functions in platelet plug formation and as a protective transporter for coagulation factor VIII (FVIII). VWF shows a multimeric chain structure composed of 270 kDa subunits containing binding domains for FVIII, platelet and collagens. Biosynthesis, storage, secretion of VWF and the cleavage process by ADAMTS13 (a disintegrin-like and metalloproteinase with thrombospondin type 1 repeats 13) regulating VWF activity have been elucidated...
2016: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/27793021/phase-1-study-of-sirolimus-in-combination-with-oral-cyclophosphamide-and-topotecan-in-children-and-young-adults-with-relapsed-and-refractory-solid-tumors
#16
Kieuhoa T Vo, Erin E Karski, Nicole M Nasholm, Shelly Allen, Fabienne Hollinger, W Clay Gustafson, Janel R Long-Boyle, Stephen Shiboski, Katherine K Matthay, Steven G DuBois
PURPOSE: To determine the maximum tolerated dose (MTD), toxicities, and pharmacodynamics effects of sirolimus combined with oral metronomic topotecan and cyclophosphamide in a pediatric population. MATERIALS AND METHODS: Patients who were 1 to 30 years of age with relapsed/refractory solid tumors (including CNS) were eligible. Patients received daily oral sirolimus and cyclophosphamide (25-50 mg/m2/dose) on days 1-21 and oral topotecan (0.8 mg/m2/dose) on days 1-14 in 28-day cycles...
October 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27791187/serum-stimulation-of-ccr7-chemotaxis-due-to-coagulation-factor-xiia-dependent-production-of-high-molecular-weight-kininogen-domain-5
#17
Manish P Ponda, Jan L Breslow
Chemokines and their receptors play a critical role in immune function by directing cell-specific movement. C-C chemokine receptor 7 (CCR7) facilitates entry of T cells into lymph nodes. CCR7-dependent chemotaxis requires either of the cognate ligands C-C chemokine ligand 19 (CCL19) or CCL21. Although CCR7-dependent chemotaxis can be augmented through receptor up-regulation or by increased chemokine concentrations, we found that chemotaxis is also markedly enhanced by serum in vitro. Upon purification, the serum cofactor activity was ascribed to domain 5 of high-molecular-weight kininogen...
October 24, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27789465/systemic-inhibition-of-il-6-stat3-signalling-protects-against-experimental-osteoarthritis
#18
Augustin Latourte, Chahrazad Cherifi, Jérémy Maillet, Hang-Korng Ea, Wafa Bouaziz, Thomas Funck-Brentano, Martine Cohen-Solal, Eric Hay, Pascal Richette
OBJECTIVE: To investigate the impact of systemic inhibition of interleukin 6 (IL-6) or signal transducer and activator of transcription (Stat3) in an experimental model of osteoarthritis (OA). METHODS: Expression of major catabolic and anabolic factors of cartilage was determined in IL-6-treated mouse chondrocytes and cartilage explants. The anti-IL-6-receptor neutralising antibody MR16-1 was used in the destabilisation of the medial meniscus (DMM) mouse model of OA...
October 27, 2016: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/27784345/-changes-of-adamts13-activity-and-tsp1-level-in-patients-with-hematologic-malignancies
#19
Cai-Feng Sun, Xia Zhao, Fang Han, Qi Jia, Liang Wang, Guang Lu, Hui-Fang Ding
OBJECTIVE: To investigate the changes of thrombospondin 1(TSP1) level and von Willebrand factor cleaving protease(ADAMTS13) activity in the patients with hematologic malignancies before and after treatment and to evaluate their clinical significance. METHODS: Eighty-two patients with hematologic malignancies were enrolled in this study, among them 20 patients were with acute leukemia, 48 patients were with lymphoma and 14 patients were with multiple myeloma. The plasma samples of 82 patients with hematologic malignancies and 45 healthy controls were collected...
October 2016: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/27783214/selenium-reduces-early-signs-of-tumor-necrosis-factor-alpha-induced-meniscal-tissue-degradation
#20
Klaus Häfelein, Andrea Preuße-Prange, Peter Behrendt, Bodo Kurz
Meniscal integrity is a prerequisite for sustained knee joint health and prevention of meniscal degeneration is a main research goal. Cartilage-protective effects of selenium have been described, but little is known about the impact on the meniscus. We therefore investigated the influence of sodium selenite on meniscal explants under tumor necrosis factor-alpha (TNFα)-stimulated proinflammatory conditions. Meniscal explant disks (3 mm diameter × 1 mm thickness) were isolated from 2-year-old cattle and incubated with TNFα (10 ng/ml) and sodium selenite (low dose, LoD 6...
October 25, 2016: Biological Trace Element Research
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