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Thrombospondine

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https://www.readbyqxmd.com/read/28527393/a-combination-of-platelet-features-allows-detection-of-early-stage-cancer
#1
Siamack Sabrkhany, Marijke J E Kuijpers, Sander M J van Kuijk, Linda Sanders, Sharo Pineda, Steven W M Olde Damink, Anne-Marie C Dingemans, Arjan W Griffioen, Mirjam G A Oude Egbrink
BACKGROUND: Detection of early-stage cancer significantly improves patient survival. As platelets play an important role in cancer progression, we aimed to investigate whether platelets can be used for the discovery of early-stage cancer. METHODS: Patients with lung (n = 86) or head of pancreas (n = 42) cancer were included, as were healthy sex- and age-matched controls (n = 92). Blood was collected before initiation of treatment. Platelet count, volume and activation status were quantified in whole blood...
May 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28526854/induction-of-senescence-in-primary-glioblastoma-cells-by-serum-and-tgf%C3%AE
#2
Ritesh Kumar, Alexander Gont, Theodore J Perkins, Jennifer E L Hanson, Ian A J Lorimer
Glioblastoma is the most common type of adult brain tumour and has a median survival after diagnosis of a little more than a year. Glioblastomas have a high frequency of mutations in the TERT promoter and CDKN2A locus that are expected to render them resistant to both replicative and oncogene-induced senescence. However, exposure of PriGO8A primary glioblastoma cells to media with 10% serum induced a senescence-like phenotype characterized by increased senescence-associated β galactosidase activity, PML bodies and p21 and morphological changes typical of senescence...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28513981/exposure-to-fermentation-supernatant-of-staphylococcus-aureus-accelerated-dedifferentiation-of-chondrocytes-and-production-of-antimicrobial-peptides
#3
Shuaijun Li, Yun Zhang, Yidan Sun, Weigang Cao, Lei Cui
Staphylococcus aureus is the most popular pathogen found in septic arthritis. Despite bacteria was eradicated from joint cavity during acute infection, destruction of articular cartilage often continues for years, leading to permanent joint damage. The mechanism responsible for this consistent catabolic reaction in septic arthritis remains unclear. Here, we found that fermentation supernatant (FS) of Staphylococcus aureus accelerated dedifferentiation of chondrocytes and induced expression of catabolic factors including A Disintegrin-like and Metalloproteinase with Thrombospondin-1 motifs 5, NO synthase 2, matrix metalloproteinase -3, -13...
May 17, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28513557/calcium-supplement-derived-from-gallus-gallus-domesticus-promotes-bmp-2-runx2-smad5-and-suppresses-trap-rank-expression-through-mapk-signaling-activation
#4
Han Seok Yoo, Gyung-Ji Kim, Da Hye Song, Kang-Hyun Chung, Kwon-Jai Lee, Dong-Hee Kim, Jeung Hee An
The present study evaluated the effects of a calcium (Ca) supplement derived from Gallus gallus domesticus (GD) on breaking force, microarchitecture, osteogenic differentiation and osteoclast differentiation factor expression in vivo in Ca-deficient ovariectomized (OVX) rats. One percent of Ca supplement significantly improved Ca content and bone strength of the tibia. In micro-computed tomography analysis, 1% Ca supplement attenuated OVX- and low Ca-associated changes in bone mineral density, trabecular thickness, spacing and number...
May 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28512557/increased-vasoocclusive-crises-in-o-blood-group-sickle-cell-disease-patients-association-with-underlying-thrombospondin-levels
#5
M Al Huneini, S Alkindi, V Panjwani, K Al Falahi, B Al Balushi, D Gravell, C H Ho, R Krishnamoorthy, A V Pathare
OBJECTIVES: To explore the incidence of vaso-occlusive crisis (VOC) in Blood Group "O" sickle cell disease (SCD) patients, and correlate it with the blood group and thrombospondin (TSP) levels. METHODS: In 89 consecutive SCD patients, blood samples were obtained for von Williebrand factor (vWF:Ag) antigen, collagen binding activity (CBA), ristocetin binding activity (RCo), blood group typing, C-reactive protein (CRP), high performance liquid chromatography (HPLC), Serum TSP 1 and TSP 2 levels, complete blood counts (CBC), lactic dehydrogenase (LDH) levels, liver function (LFT) and renal function tests (RFT) during VOC episodes and in steady state conditions...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28512264/gallic-acid-inhibits-the-release-of-adamts4-in-nucleus-pulposus-cells-by-inhibiting-p65-phosphorylation-and-acetylation-of-the-nf-%C3%AE%C2%BAb-signaling-pathway
#6
Yao Huang, Jian Chen, Tao Jiang, Zheng Zhou, Bin Lv, Guoyong Yin, Jin Fan
This study investigated the inhibitory effect of gallic acid (GA) on the release of A Disintegrin and Metalloproteinase with Thrombospondin motifs 4 (ADAMTS4) through the regulation of the NF-κB signaling pathway, which is closely related to the matrix metalloproteinases in nucleus pulposus cells. Different concentrations of GA were added to TNF-α-induced human nucleus pulposus cells (hNPCs) and intervertebral disc degeneration rat model. ADAMTS-4 expression increased both in the TNF-α-induced nucleus pulposus cells and intervertebral disc degeneration rat model...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28500836/expression-prognosis-and-functional-role-of-thsd7a-in-esophageal-squamous-cell-carcinoma-of-kazakh-patients-xinjiang
#7
Zhichao Hou, Abulajiang Abudureheman, Lei Wang, Ayshamgul Hasim, Julaiti Ainiwaer, Haiping Zhang, Madiniyat Niyaz, Halmurat Upur, Ilyar Sheyhidin
Thsd7a (Thrombospondin type 1 domain containing 7a) is a critical transmembrane protein. Studies have indicated that Thsd7a was associated with cytoskeletal organization, cell migration and filopodia formation. However, the involvement of Thsd7a remains elusive in human Esophageal Squamous Cell Carcinoma (ESCC). Consequently, immunohistochemistry and reverse transcription-polymerase chain reaction were utilized to study the correlation between the expression of Thsd7a and clinical-pathological characteristics...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28500654/altered-timing-of-riboflavin-and-ultraviolet-light-pathogen-inactivation-improves-platelet-in-vitro-quality
#8
Peter Schubert, Brankica Culibrk, Simrath Karwal, Katherine Serrano, Elena Levin, QiLong Yi, Thomas Thiele, Andreas Greinacher, Susanne Marschner, Dana V Devine
BACKGROUND: The platelet (PLT) storage lesion is in part caused by the collection and/or production process. Pathogen inactivation (PI) further accelerates its development leading to a reduced in vitro PLT functionality and hence quality. Although the treatment of PLT concentrates (PCs) with riboflavin and ultraviolet light PI should occur within 22 hours of collection, in this study the impact of treatment timing on in vitro PLT quality was investigated. STUDY DESIGN AND METHODS: Apheresis PCs were PI treated on the day of production or on Days 1, 3, or 4 of storage or left untreated as control...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28496027/expression-profile-of-matricellular-proteins-in-hypertrophied-right-ventricle-of-monocrotaline-induced-pulmonary-hypertensive-rats
#9
Keisuke Imoto, Muneyoshi Okada, Hideyuki Yamawaki
Matricellular proteins, a non-structural extracellular matrix (ECM) component, bind to and modulate various molecules including growth factor, cytokine, protease, other ECM components and cell membrane receptors. While most matricellular proteins are hardly expressed in normal adult tissue, they are re-expressed in heart tissue during cardiac diseases. The present study aimed to clarify the mRNA expression profile of matricellular proteins [secreted protein acidic and rich in cysteine: SPARC, hevin, thrombospondin (TSP)-1, -2 and -4, CCN1 and 5, tenascin (Tn)C and N, periostin and osteopontin (OPN)] in hypertrophied right ventricle (RV) of monocrotaline (MCT)-induced pulmonary hypertensive rats...
May 11, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28495930/adamts13-retards-progression-of-diabetic-nephropathy-by-inhibiting-intrarenal-thrombosis-in-mice
#10
Nirav Dhanesha, Prakash Doddapattar, Mehul R Chorawala, Manasa K Nayak, Koichi Kokame, Janice M Staber, Steven R Lentz, Anil K Chauhan
OBJECTIVE: ADAMTS13 (a disintegrin and metalloprotease with thrombospondin type I repeats-13) prevents microvascular thrombosis by cleaving prothrombogenic ultralarge von Willebrand factor (VWF) multimers. Clinical studies have found association between reduced ADAMTS13-specific activity, ultralarge VWF multimers, and thrombotic angiopathy in patients with diabetic nephropathy. It remains unknown, however, whether ADAMTS13 deficiency or ultralarge VWF multimers have a causative effect in diabetic nephropathy...
May 11, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28493832/apobec3g-acts-as-a-therapeutic-target-in-mesenchymal-gliomas-by-sensitizing-cells-to-radiation-induced-cell-death
#11
Yu Wang, Shaofang Wu, Siyuan Zheng, Shuzhen Wang, Arjun Wali, Ravesanker Ezhilarasan, Erik P Sulman, Dimpy Koul, W K Alfred Yung
Genomic, transcriptional, and proteomic analyses of brain tumors reveal that subtypes differ in their pathway activity, progression, and response to therapy. We performed an expression profiling of Glioma Initiating Cells (GICs) and comparative analysis between different groups of GICs indicates major variations in gene expression. Hierarchical clustering analysis revealed groups of GICs reflecting their heterogeneity, and among some of the genes as major regulators of mesenchymal phenotype, we identified ABOBEC3G as one of the most discriminating genes in mesenchymal group...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28489857/vitamin-d-supplementation-lowers-thrombospondin-1-levels-and-blood-pressure-in-healthy-adults
#12
Anjalee T Amarasekera, Bahador Assadi-Khansari, Saifei Liu, Marilyn Black, Greer Dymmott, Natasha M Rogers, Aaron L Sverdlov, John D Horowitz, Doan T M Ngo
INTRODUCTION: Vitamin D insufficiency, defined as 25-hydroxyvitamin D (25(OH)D) levels < 75nmol/L is associated with cardio-metabolic dysfunction. Vitamin D insufficiency is associated with inflammation and fibrosis, but it remains uncertain whether these anomalies are readily reversible. Therefore, we aimed to determine the effects of vitamin D supplementation on markers of: 1) nitric oxide (NO) signaling, 2) inflammation, and 3) fibrosis, in healthy volunteers with mild hypovitaminosis...
2017: PloS One
https://www.readbyqxmd.com/read/28487939/identification-of-novel-genes-associated-with-fracture-healing-in-osteoporosis-induced-by-krm2-overexpression-or-lrp5-deficiency
#13
Feng Gao, Feng Xu, Dankai Wu, Jieping Cheng, Peng Xia
The aim of the present study was to screen potential key genes associated with osteoporotic fracture healing. The microarray data from the Gene Expression Omnibus database accession number GSE51686, were downloaded and used to identify differentially expressed genes (DEGs) in fracture callus tissue samples obtained from the femora of type I collagen (Col1a1)‑kringle containing transmembrane protein 2 (Krm2) mice and low density lipoprotein receptor‑related protein 5‑/‑ (Lrp5‑/‑) transgenic mice of osteoporosis compared with those in wild‑type (WT) mice...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28482118/autoantigens-adamtsl5-and-ll37-are-significantly-upregulated-in-active-psoriasis-and-localized-with-keratinocytes-dendritic-cells-and-other-leukocytes
#14
Judilyn Fuentes-Duculan, Kathleen M Bonifacio, Jason E Hawkes, Norma Kunjravia, Inna Cueto, Xuan Li, Juana Gonzalez, Sandra Garcet, James G Krueger
Psoriasis is a common immune-mediated disease that affects 2-4% of individuals in North America and Europe. In the past decade, advances in research have led to an improved understanding of immune pathways involved in the pathogenesis of psoriasis and has spurred the development of targeted therapeutics. Recently, three psoriasis autoantigens have been described: cathelicidin (LL37), a disintegrin and metalloprotease domain containing thrombospondin type 1 motif-like 5 (ADAMTSL5), and lipid antigens generated by phospholipase A2 (PLA2) group IVD (PLA2G4D)...
May 8, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28481870/thrombospondin-4-mediates-tgf-%C3%AE-induced-angiogenesis
#15
S Muppala, R Xiao, I Krukovets, D Verbovetsky, R Yendamuri, N Habib, P Raman, E Plow, O Stenina-Adognravi
TGF-β is a multifunctional cytokine affecting many cell types and implicated in tissue remodeling processes. Due to its many functions and cell-specific effects, the consequences of TGF-β signaling are process-and stage-dependent, and it is not uncommon that TGF-β exerts distinct and sometimes opposing effects on a disease progression depending on the stage and on the pathological changes associated with the stage. The mechanisms underlying cell- and process-specific effects of TGF-β are poorly understood...
May 8, 2017: Oncogene
https://www.readbyqxmd.com/read/28481198/a-diverse-host-thrombospondin-type-1-repeat-protein-repertoire-promotes-symbiont-colonization-during-establishment-of-cnidarian-dinoflagellate-symbiosis
#16
Emilie-Fleur Neubauer, Angela Z Poole, Philipp Neubauer, Olivier Detournay, Kenneth Tan, Simon K Davy, Virginia M Weis
The mutualistic endosymbiosis between cnidarians and dinoflagellates is mediated by complex inter-partner signaling events, where the host cnidarian innate immune system plays a crucial role in recognition and regulation of symbionts. To date, little is known about the diversity of thrombospondin-type-1 repeat (TSR) domain proteins in basal metazoans and or their potential role in regulation of cnidarian-dinoflagellate mutualisms. We reveal a large and diverse repertoire of TSR proteins in seven anthozoan species, and show that in the model sea anemone Aiptasia pallida the TSR domain promotes colonization of the host by the symbiotic dinoflagellate Symbiodinium minutum...
May 8, 2017: ELife
https://www.readbyqxmd.com/read/28476896/altered-cargo-proteins-of-human-plasma-endothelial-cell-derived-exosomes-in-atherosclerotic-cerebrovascular-disease
#17
Edward J Goetzl, Janice B Schwartz, Maja Mustapic, Iryna V Lobach, Richard Daneman, Erin L Abner, Gregory A Jicha
Plasma endothelial cell-derived exosomes (EDEs) and platelet-derived exosomes (PDEs) were precipitated and enriched separately by immunospecific absorption procedures for analyses of cargo proteins relevant to atherosclerosis. EDEs had usual exosome size and marker protein content, and significantly higher levels than PDEs of the endothelial proteins vascular cell adhesion molecule-1 (VCAM-1) and endothelial nitric oxide synthase, whereas PDEs had significantly higher levels of platelet glycoprotein VI. EDE levels of VCAM-1, von Willebrand factor, platelet-derived growth factor (PDGF)-BB, angiopoietin-1, and lysyl oxidase-2 and the cerebrovascular-selective proteins glucose transporter 1, permeability-glycoprotein, and large neutral amino acid transporter 1 were significantly higher for 18 patients with cerebrovascular disease (CeVD) than for 18 age- and gender-matched control subjects...
May 5, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28472457/matricellular-protein-thrombospondin-1-in-pulmonary-hypertension-multiple-pathways-to-disease
#18
Natasha M Rogers, Kedar Ghimire, Maria J Calzada, Jeffrey S Isenberg
Matricellular proteins are secreted molecules that have affinities for both extracellular matrix and cell surface receptors. Through interaction with structural proteins and the cells that maintain the matrix these proteins can alter matrix strength. Matricellular proteins exert control on cell activity primarily through engagement of membrane receptors that mediate outside-in signaling. An example of this group is thrombospondin-1 (TSP1), first identified as a component of the secreted product of activated platelets...
May 4, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28468787/inflammatory-differences-in-plaque-erosion-and-rupture-in-patients-with-st-segment-elevation-myocardial-infarction
#19
Sujay Chandran, Johnathan Watkins, Amina Abdul-Aziz, Manar Shafat, Patrick A Calvert, Kristian M Bowles, Marcus D Flather, Stuart A Rushworth, Alisdair D Ryding
BACKGROUND: Plaque erosion causes 30% of ST-segment elevation myocardial infarctions, but the underlying cause is unknown. Inflammatory infiltrates are less abundant in erosion compared with rupture in autopsy studies. We hypothesized that erosion and rupture are associated with significant differences in intracoronary cytokines in vivo. METHODS AND RESULTS: Forty ST-segment elevation myocardial infarction patients with <6 hours of chest pain were classified as ruptured fibrous cap (RFC) or intact fibrous cap (IFC) using optical coherence tomography...
May 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28468322/virus-like-particle-vlp-plus-microcrystalline-tyrosine-mct-adjuvants-enhance-vaccine-efficacy-improving-t-and-b-cell-immunogenicity-and-protection-against-plasmodium-berghei-vivax
#20
Gustavo Cabral-Miranda, Matthew D Heath, Mona O Mohsen, Ariane C Gomes, Paul Engeroff, Amy Flaxman, Fabiana M S Leoratti, Aadil El-Turabi, Arturo Reyes-Sandoval, Murray A Skinner, Matthias F Kramer, Martin F Bachmann
Vaccination is the most effective prophylactic tool against infectious diseases. Despite continued efforts to control malaria, the disease still generally represents a significant unmet medical need. Microcrystalline tyrosine (MCT) is a well described depot used in licensed allergy immunotherapy products and in clinical development. However, its proof of concept in prophylactic vaccines has only recently been explored. MCT has never been used in combination with virus-like particles (VLPs), which are considered to be one of the most potent inducers of cellular and humoral immune responses in mice and humans...
May 2, 2017: Vaccines
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