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Platelet Proteomics

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https://www.readbyqxmd.com/read/28592188/polymer-coated-cardiopulmonary-bypass-circuit-attenuates-upregulation-of-both-proteases-protease-inhibitors-and-platelet-degranulation-in-pigs
#1
Shoichi Suehiro, Kouji Shimizu, Kensuke Imai, Atsushi Niii, Kazuhiro Akeho, Hayato Nakata, Akane Yamaguchi, Ken-Ichi Matsumoto, Teiji Oda
INTRODUCTION: Interaction of blood with a cardiopulmonary bypass (CPB) circuit activates the coagulation-fibrinolysis, complement and kinin-kallikrein systems that are mainly supported by proteases and their inhibitors. METHODS: Biocompatibility of a new polymer-coated (SEC-coated) CPB circuit was globally evaluated and compared with that of a non-coated CPB circuit by quantitative proteomics, using isobaric tags for relative and absolute quantification labeling tandem mass spectrometry...
June 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28587468/human-platelet-vesicles-exhibit-distinct-size-and-proteome
#2
Bhanu P Jena, Paul M Stemmer, Sunxi Wang, Guangzhao Mao, Kenneth T Lewis, Daniel A Walz
In the past 50 years, isolated blood platelets have had restricted use in wound healing, cancer therapy, and organ and tissue transplant, to name a few. The major obstacle for its unrestricted use has been, among others, the presence of ultrahigh concentrations of growth factors and the presence of both pro-angiogenic and anti-angiogenic proteins. To overcome this problem requires the isolation and separation of the membrane bound secretory vesicles containing the different factors. In the current study, high-resolution imaging of isolated secretory vesicles from human platelets using atomic force microscopy (AFM) and mass spectrometry enabled characterization of the remaining vesicles size and composition following their immunoseparation...
June 9, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28576849/proteome-wide-identification-of-glycosylation-dependent-interactors-of-galectin-1-and-galectin-3-on-mesenchymal-retinal-pigment-epithelial-cells
#3
Jara Obermann, Claudia S Priglinger, Juliane Merl-Pham, Arie Geerlof, Sigfried Priglinger, Magdalena Götz, Stefanie M Hauck
Identification of interactors is a major goal in cell biology. Not only protein-protein but also protein-carbohydrate interactions are of high relevance for signal transduction in biological systems. Here we aim to identify novel interacting binding partners for the β-galactoside-binding proteins Galectin-1 (Gal-1) and Galectin-3 (Gal-3) relevant in the context of the eye disease proliferative vitreoretinopathy (PVR). PVR is one of the most common failures after retinal detachment surgeries and is characterized by the migration, adhesion and epithelial-to-mesenchymal transition (EMT) of retinal pigment epithelial cells (RPE) and the subsequent formation of sub- and epiretinal fibrocellular membranes...
June 2, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28542641/platelet-proteome-reveals-novel-pathways-of-platelet-activation-and-platelet-mediated-immunoregulation-in-dengue
#4
Monique Ramos de Oliveira Trugilho, Eugenio Damaceno Hottz, Giselle Villa Flor Brunoro, André Teixeira-Ferreira, Paulo Costa Carvalho, Gustavo Adolfo Salazar, Guy A Zimmerman, Fernando A Bozza, Patrícia T Bozza, Jonas Perales
Dengue is the most prevalent human arbovirus disease worldwide. Dengue virus (DENV) infection causes syndromes varying from self-limiting febrile illness to severe dengue. Although dengue pathophysiology is not completely understood, it is widely accepted that increased inflammation plays important roles in dengue pathogenesis. Platelets are blood cells classically known as effectors of hemostasis which have been increasingly recognized to have major immune and inflammatory activities. Nevertheless, the phenotype and effector functions of platelets in dengue pathogenesis are not completely understood...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28495502/multipronged-quantitative-proteomics-reveals-serum-proteome-alterations-in-breast-cancer-intrinsic-subtypes
#5
Akshada Gajbhiye, Raju Dabhi, Khushman Taunk, Mashanipalya G Jagadeeshaprasad, Sourav RoyChoudhury, Anupama Mane, Santhakumari Bayatigeri, Koel Chaudhury, Manas K Santra, Srikanth Rapole
Being molecularly heterogeneous, breast cancer tends to be a complicated oncological disease with high incidence rates throughout the world. The primary aim of this study was to identify the set of serum proteins with discriminatory capabilities towards the four major subtypes of breast cancer. We employed multipronged quantitative proteomic approaches like 2D-DIGE, iTRAQ and SWATH-MS and identified 307 differentially regulated proteins. Luminal A subtype consisted of 24, Luminal B subtype 38, HER2 Enriched subtype 17 and Triple negative breast cancer subtype 10 differentially regulated subtype specific proteins...
May 8, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28472996/a-survey-of-proteomic-biomarkers-for-heterotopic-ossification-in-blood-serum
#6
Laura E Edsberg, Erin L Crowgey, Patrick M Osborn, Jennifer T Wyffels
BACKGROUND: Heterotopic ossification (HO) is a significant problem for wounded warriors surviving high-energy blast injuries; however, currently, there is no biomarker panel capable of globally characterizing, diagnosing, and monitoring HO progression. The aim of this study was to identify biomarkers for HO using proteomic techniques and blood serum. METHODS: Isobaric tags for relative and absolute quantitation (iTRAQ) was used to generate a semi-quantitative global proteomics survey of serum from patients with and without heterotopic ossification...
May 4, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28442446/proteomic-and-transcriptomic-analysis-of-saliva-components-from-the-hematophagous-reduviid-triatoma-pallidipennis
#7
María J Hernández-Vargas, Jeovanis Gil, Luis Lozano, Martha Pedraza-Escalona, Ernesto Ortiz, Sergio Encarnación-Guevara, Alejandro Alagón, Gerardo Corzo
Species belonging to the Triatominae subfamily are commonly associated with Chagas disease, as they are potential vectors of the parasite Trypanosoma cruzi. However, their saliva contains a cocktail of diverse anti-hemostatic proteins that prevent blood coagulation, vasodilation and platelet aggregation of blood; components with indisputable therapeutic potential. We performed a transcriptomic and proteomic analyses of salivary glands and protein spots from 2DE gels of milked saliva, respectively, from the Mexican Triatoma pallidipennis...
April 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28436273/proteome-analysis-of-sheep-b-lymphocytes-in-the-course-of-bovine-leukemia-virus-induced-leukemia
#8
Michal Reichert
Presented are the results of a study of the expression pattern of different proteins in the course of bovine leukemia virus-induced leukemia in experimental sheep and I discuss how the obtained data may be useful in gaining a better understanding of the pathogenesis of the disease, diagnosis, and for the selection of possible therapeutic targets. In cattle, the disease is characterized by life-long persistent lymphocytosis leading to leukemia/lymphoma in about 5% of infected animals. In sheep, as opposed to cattle, the course of the disease is always fatal and clinical symptoms usually occur within a three-year period after infection...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28433472/the-influence-of-platelet-rich-plasma-on-synovial-fluid-volumes-protein-concentrations-and-severity-of-pain-in-patients-with-knee-osteoarthritis
#9
Carl P C Chen, Chih-Hsiu Cheng, Chih-Chin Hsu, Hsin-Chin Lin, Yi-Rong Tsai, Jean-Lon Chen
Knee pain is commonly seen in orthopedic and rehabilitation outpatient clinical settings. Patients with knee osteoarthritis (OA) are often complicated with joint soreness, swelling, weakness, and pain. These complaints are often caused by the excessive amount of synovial fluid (SF) accumulated in the bursae around the knee joint. This study was aimed to evaluate the effectiveness of platelet rich plasma (PRP) in treating patients with minor to moderate knee osteoarthritis (OA) combined with supra-patellar bursitis using a proteomic approach and clinical evaluation tool...
July 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28423550/quantitative-proteomic-analysis-of-gastric-cancer-tissue-reveals-novel-proteins-in-platelet-derived-growth-factor-b-signaling-pathway
#10
Fang Liu, Yuan Zhang, Tingting Men, Xingyue Jiang, Chunhua Yang, He Li, Xiaodan Wei, Dong Yan, Gangming Feng, Jianke Yang, Jonas Bergquist, Bin Wang, Wenguo Jiang, Jia Mi, Geng Tian
Gastric cancer is one of the most common cancers in Asian countries. Searching for reliable biomarkers involving the development of gastric cancer is important for clinical practice. Quantitative proteomics has become an important method contributed to the discovery of novel diagnostic or therapeutic targets for the management of cancer. Here, we identified differently expressed proteins in gastric cancer and normal gastric tissues by using the high resolution mass spectrometer. Among the total of 2280 identified proteins, 87 were differentially expressed between gastric cancer and normal gastric tissues...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28376875/tgfbr2-dependent-alterations-of-exosomal-cargo-and-functions-in-dna-mismatch-repair-deficient-hct116-colorectal-cancer-cells
#11
Fabia Fricke, Jennifer Lee, Malwina Michalak, Uwe Warnken, Ingrid Hausser, Meggy Suarez-Carmona, Niels Halama, Martina Schnölzer, Jürgen Kopitz, Johannes Gebert
BACKGROUND: Colorectal cancers (CRCs) that lack DNA mismatch repair function exhibit the microsatellite unstable (MSI) phenotype and are characterized by the accumulation of frameshift mutations at short repetitive DNA sequences (microsatellites). These tumors recurrently show inactivating frameshift mutations in the tumor suppressor Transforming Growth Factor Beta Receptor Type 2 (TGFBR2) thereby abrogating downstream signaling. How altered TGFBR2 signaling affects exosome-mediated communication between MSI tumor cells and their environment has not been resolved...
April 4, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28298564/proteomic-analysis-of-sera-from-individuals-with-diffuse-cutaneous-systemic-sclerosis-reveals-a-multianalyte-signature-associated-with-clinical-improvement-during-imatinib-mesylate-treatment
#12
D James Haddon, Hannah E Wand, Justin A Jarrell, Robert F Spiera, Paul J Utz, Jessica K Gordon, Lorinda S Chung
OBJECTIVE: Imatinib has been investigated for the treatment of systemic sclerosis (SSc) because of its ability to inhibit the platelet-derived growth factor receptor and transforming growth factor-β signaling pathways, which have been implicated in SSc pathogenesis. In a 12-month open-label clinical trial assessing the safety and efficacy of imatinib in the treatment of diffuse cutaneous SSc (dcSSc), significant improvements in skin thickening were observed. Here, we report our analysis of sera collected during the clinical trial...
March 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28291948/eccentric-training-for-tendon-healing-after-acute-lesion-a-rat-model
#13
Jean-François Kaux, Vincent Libertiaux, Pierre Leprince, Marianne Fillet, Vincent Denoel, Clémence Wyss, Christelle Lecut, André Gothot, Caroline Le Goff, Jean-Louis Croisier, Jean-Michel Crielaard, Pierre Drion
BACKGROUND: The tendon is a dynamic entity that remodels permanently. Platelet-rich plasma (PRP) injection has been shown to have a beneficial effect on tendon healing after lesion in rats. Furthermore, eccentric exercise seems to improve the mechanical quality of the tendon. HYPOTHESIS: A combination of PRP injection and eccentric training might be more effective than either treatment alone. STUDY DESIGN: Controlled laboratory study. METHODS: Adult male rats were anesthetized, an incision was performed in the middle of their left patellar tendon and an injection of physiological fluid (PF) or homologous PRP was randomly made at the lesion level...
May 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28242077/ex%C3%A2-vivo-lung-perfusion-model-to-study-pulmonary-tissue-extracellular-microvesicle-profiles
#14
Prashanth Vallabhajosyula, Laxminarayana Korutla, Andreas Habertheuer, Sanjana Reddy, Christian Schaufler, Jared Lasky, Joshua Diamond, Edward Cantu
BACKGROUND: Extracellular microvesicles (EVs) are being increasingly studied for their diagnostic potential. We investigated the feasibility of studying the kinetics and tissue-specific profiles of pulmonary EVs in the context of ex vivo lung perfusion (EVLP) used for salvaging marginal lungs for transplantation. METHODS: Perfusate from six marginal donor lungs placed on EVLP was collected at the following time points: 0, 10, and 60 minutes after and after perfusate exchange with Steen Solution; 120 and 180 minutes...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28224023/evaluation-of-liver-cirrhosis-and-hepatocellular-carcinoma-using-protein-protein-interaction-networks
#15
Mohammad Javad Ehsani Ardakani, Akram Safaei, Afsaneh Arefi Oskouie, Hesam Haghparast, Mehrdad Haghazali, Hamid Mohaghegh Shalmani, Hassan Peyvandi, Nosratollah Naderi, Mohammad Reza Zali
AIM: In the current study, we analysised only the articles that investigate serum proteome profile of cirrhosis patients or HCC patients versus healthy controls. BACKGROUND: Increased understanding of cancer biology has enabled identification of molecular events that lead to the discovery of numerous potential biomarkers in diseases. Protein-protein interaction networks is one of aspect that could elevate the understanding level of molecular events and protein connections that lead to the identification of genes and proteins associated with diseases...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28219319/biomarkers-in-alzheimer-s-disease-recent-update
#16
Sushil Sharma, Walter Lipincott
Alzheimer disease (AD) is an age-related neurodegenerative disorder, characterized by loss of memory and cognitive function. It is the common cause of dementia in elderly and is a global health concern as the population of people aged 85 and older, is growing alarmingly. Although pharmacotherapy for the treatment of AD has improved, lot of work remains to treat this devastating disease. AD pathology begins even before the onset of clinical symptoms. Because therapies could be more effective if implemented early in the disease progression, it is highly prudent to discover reliable biomarkers, to detect its exact pathophysiology during pre-symptomatic stage...
February 20, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28208668/redox-proteomics-and-platelet-activation-understanding-the-redox-proteome-to-improve-platelet-quality-for-transfusion
#17
REVIEW
Giona Sonego, Mélanie Abonnenc, Jean-Daniel Tissot, Michel Prudent, Niels Lion
Blood banks use pathogen inactivation (PI) technologies to increase the safety of platelet concentrates (PCs). The characteristics of PI-treated PCs slightly differ from those of untreated PCs, but the underlying reasons are not well understood. One possible cause is the generation of oxidative stress during the PI process. This is of great interest since reactive oxygen species (ROS) act as second messengers in platelet functions. Furthermore, there are links between protein oxidation and phosphorylation, another mechanism that is critical for cell regulation...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28196027/mk2461-a-multitargeted-kinase-inhibitor-suppresses-the-progression-of-pancreatic-cancer-by-disrupting-the-interaction-between-pancreatic-cancer-cells-and-stellate-cells
#18
Koetsu Inoue, Hideo Ohtsuka, Masanori Tachikawa, Fuyuhiko Motoi, Masahiro Shijo, Daisuke Douchi, Shuhei Kawasaki, Kei Kawaguchi, Kunihiro Masuda, Koji Fukase, Takeshi Naitoh, Yu Katayose, Shinichi Egawa, Michiaki Unno, Tetsuya Terasaki
OBJECTIVES: Platelet-derived growth factor receptor beta (PDGFRβ) and hepatocyte growth factor receptor (MET) expressed on pancreatic stellate cells (PSCs) are suggested as important components modulating the interactions between pancreatic cancer cells (PCCs) and PSCs. The objective of this study is to clarify the effect of MK2461, a multikinase inhibitor targeting MET and PDGFRβ, on the interaction between PCCs and PSCs. METHODS: In this study, we profiled the expression of receptor tyrosine kinases (including PDGFRβ and MET) in pancreatic cancer with quantitative targeted absolute proteomics using liquid chromatography tandem mass spectrometry...
April 2017: Pancreas
https://www.readbyqxmd.com/read/28137667/identification-of-novel-autoantigens-via-mass-spectroscopy-based-antibody-mediated-identification-of-autoantigens-ms-amida-using-immune-thrombocytopenic-purpura-itp-as-a-model-disease
#19
Julian Kamhieh-Milz, Viktor Sterzer, Hatice Celik, Omid Khorramshahi, Reham Fadl Hassan Moftah, Abdulgabar Salama
Immune thrombocytopenic purpura (ITP) is one of the best characterized autoimmune diseases. Autoantibodies (AABs) against platelet antigens are considered as the diagnostic hallmark of ITP, but are detectable in only 50% of patients. We designed and applied a novel proteomic approach termed Mass Spectroscopy-based Antibody-Mediated Identification of Autoantigens (MS-AMIDA) for platelet antigens. Patients were separated into patients with classical AABs [ITP(+)] and patients without AABs [ITP(-)]. Altogether, 181 potential AAGs were found in ITP(+) and 135 AAGs in ITP(-), with 34 and 23 AAGs reproducibly found in two runs of MS-AMIDA...
March 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28078347/alterations-of-the-platelet-proteome-in-type-i-glanzmann-thrombasthenia-caused-by-different-homozygous-delg-frameshift-mutations-in-itga2b
#20
Stefan Loroch, Katharina Trabold, Stepan Gambaryan, Cora Reiß, Kathrin Schwierczek, Ingrid Fleming, Albert Sickmann, Wolfgang Behnisch, Barbara Zieger, René P Zahedi, Ulrich Walter, Kerstin Jurk
Glanzmann thrombasthenia (GT) is one of the best characterized inherited platelet function disorders but global platelet proteome has not been determined in these patients. We investigated the proteome and function of platelets from two patients with type I GT, caused by different homozygous ITGA2b mutations, from family members and unrelated controls. The global proteome of highly purified washed platelets was quantified by liquid chromatography-mass spectrometry (LC-MS) and targeted MS-methods. Platelet function was analysed by flow cytometry, light transmission aggregometry and flow-based assays...
January 12, 2017: Thrombosis and Haemostasis
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