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Platelet Proteomics

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https://www.readbyqxmd.com/read/29913686/proteins-with-potential-role-in-analgesic-effect-of-spinal-cord-stimulation-on-neuropathic-pain
#1
A Lind, P Emami, M Sjödin, L Katila, M Wetterhall, K Kultima, T Gordh
Aims We aimed to find proteins of relevance to the prolonged analgesic effect of spinal cord stimulation (SCS) for patients with neuropathic pain. Methods The proteomes of cerebrospinal fluid (CSF) from 14 neuropathic pain patients using spinal cord stimulation (SCS) was compared to the CSF proteomes of the same patients when not using the stimulator. Samples were analyzed by dimethyl label and label free shotgun proteomics approach. Samples were prepared by immunoaffinity fractionation and then separated by reversed phase nanoliquid chromatography coupled to an electrospray ionization source and analyzed by high resolution tandem mass spectrometry...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29900074/miplaao-a-new-l-amino-acid-oxidase-from-the-redtail-coral-snake-micrurus-mipartitus
#2
Paola Rey-Suárez, Cristian Acosta, Uday Torres, Mónica Saldarriaga-Córdoba, Bruno Lomonte, Vitelbina Núñez
L-amino acid oxidases (LAAOs) are ubiquitous enzymes in nature. Bioactivities described for these enzymes include apoptosis induction, edema formation, induction or inhibition of platelet aggregation, as well as antiviral, antiparasite, and antibacterial actions. With over 80 species, Micrurus snakes are the representatives of the Elapidae family in the New World. Although LAAOs in Micrurus venoms have been predicted by venom gland transcriptomic studies and detected in proteomic studies, no enzymes of this kind have been previously purified from their venoms...
2018: PeerJ
https://www.readbyqxmd.com/read/29863873/quantitative-proteomics-of-tramp-mice-combined-with-bioinformatics-analysis-reveals-that-pdgf-b-regulatory-network-plays-a-key-role-in-prostate-cancer-progression
#3
Yuan Zhang, Dan Wang, Min Li, Xiaodan Wei, Shuang Liu, Miaoqing Zhao, Chu Liu, Xizhen Wang, Xingyue Jiang, Xuri Li, Shuping Zhang, Jonas Bergquist, Bin Wang, Chunhua Yang, Jia Mi, Geng Tian
Transgenic adenocarcinoma of the mouse prostate (TRAMP) mice is a widely used transgenic animal model of prostate cancer (PCa). We performed a label free quantitative proteomics analysis combined with a bioinformatics analysis on the entire prostate protein extraction from TRAMP mice and compared with WT littermates. From totally 2379 identified proteins, we presented a modest mice prostate reference proteome containing 919 proteins. 61 proteins presented a significant expression difference between two groups...
June 4, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29850212/difference-in-the-vitreal-protein-profiles-of-patients-with-proliferative-diabetic-retinopathy-with-and-without-intravitreal-conbercept-injection
#4
Chen Zou, Minjie Zhao, Jingjing Yu, Dandan Zhu, Yunzhi Wang, Xinping She, Yanan Hu, Zhi Zheng
Purpose: To examine the difference in the vitreal protein profiles of patients with proliferative diabetic retinopathy (PDR) with and without preoperative intravitreal conbercept (IVC) treatment. Methods: Liquid chromatography-tandem mass spectrometry- (LC-MS/MS-) based proteomic methods were used to determine the protein profiles of the vitreous humor in patients with PDR treated with (IVC group; n = 9) and without (PDR group; n = 8) preoperative IVC. Gene ontology (GO) annotation and REACTOME pathway analysis were obtained to overview differentially expressed proteins between each group...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29847809/similarities-and-differences-of-blood-n-glycoproteins-in-five-solid-carcinomas-at-localized-clinical-stage-analyzed-by-swath-ms
#5
Tatjana Sajic, Yansheng Liu, Eirini Arvaniti, Silvia Surinova, Evan G Williams, Ralph Schiess, Ruth Hüttenhain, Atul Sethi, Sheng Pan, Teresa A Brentnall, Ru Chen, Peter Blattmann, Betty Friedrich, Emma Niméus, Susanne Malander, Aurelius Omlin, Silke Gillessen, Manfred Claassen, Ruedi Aebersold
Cancer is mostly incurable when diagnosed at a metastatic stage, making its early detection via blood proteins of immense clinical interest. Proteomic changes in tumor tissue may lead to changes detectable in the protein composition of circulating blood plasma. Using a proteomic workflow combining N-glycosite enrichment and SWATH mass spectrometry, we generate a data resource of 284 blood samples derived from patients with different types of localized-stage carcinomas and from matched controls. We observe whether the changes in the patient's plasma are specific to a particular carcinoma or represent a generic signature of proteins modified uniformly in a common, systemic response to many cancers...
May 29, 2018: Cell Reports
https://www.readbyqxmd.com/read/29845424/the-histone-deacetylases-hdac1-and-hdac2-are-required-for-the-growth-and-survival-of-renal-carcinoma-cells
#6
Nicole Kiweler, Boris Brill, Matthias Wirth, Ines Breuksch, Teresa Laguna, Cornelia Dietrich, Susanne Strand, Günter Schneider, Bernd Groner, Falk Butter, Thorsten Heinzel, Walburgis Brenner, Oliver H Krämer
Novel therapies are required for the treatment of metastatic renal cell carcinoma (RCC), which is associated with inoperable disease and patient death. Histone deacetylases (HDACs) are epigenetic modifiers and potential drug targets. Additional information on molecular pathways that are altered by histone deacetylase inhibitors (HDACi) in RCC cells is warranted. It should equally be delineated further which individual members of the 18 mammalian HDACs determine the survival and tumor-associated gene expression programs of such cells...
May 29, 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29787335/platelet-proteomics-from-discovery-to-diagnosis
#7
Christina Looße, Frauke Swieringa, Johan W M Heemskerk, Albert Sickmann, Christin Lorenz
Platelets are the smallest cells within the circulating blood with key roles in physiological haemostasis and pathological thrombosis regulated by the onset of activating/inhibiting processes via receptor responses and signalling cascades. Areas covered: Proteomics as well as genomic approaches have been fundamental in identifying and quantifying potential targets for future diagnostic strategies in the prevention of bleeding and thrombosis, and uncovering the complexity of platelet functions in health and disease...
May 22, 2018: Expert Review of Proteomics
https://www.readbyqxmd.com/read/29754498/axonal-guidance-signaling-pathway-is-suppressed-in-human-nasal-polyps
#8
Dawei Wu, Sarina K Mueller, Angela L Nocera, Kristen Finn, Towia A Libermann, Benjamin S Bleier
Background Dysfunctional innervation might contribute to the pathogenesis of chronic rhinosinusitis with nasal polyps (CRSwNP), but the state of the axonal outgrowth signaling in CRSwNP is unknown. The purpose of this study was to explore the axonal outgrowth pathway-related protein expression in CRSwNP. Methods Institutional review board approved study in which tissue proteomes were compared between control and CRSwNP patients (n = 10/group) using an aptamer-based proteomic array and confirmed by whole transcriptomic analysis...
January 1, 2018: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29754444/peptidome-analysis-reveals-novel-serum-biomarkers-for-children-with-autism-spectrum-disorder-in-china
#9
Juan Yang, Yanni Chen, Xiaofan Xiong, Xiaobo Zhou, Lin Han, Ei Ni, Wenjing Wang, Xiaofei Wang, Lingyu Zhao, Dongdong Shao, Chen Huang
PURPOSE: Autism spectrum disorder (ASD) is a neurological and developmental disorder that begins early in childhood and lasts throughout one's life. Early diagnosis is essential for ASD since early treatment can enable children with ASD to make significant gains in language and social skills, but remains challenging since there are currently no specific biomarkers of ASD. The study aimed to identify serum biomarkers for ASD. EXPERIMENTAL DESIGN: Serum of Han Chinese children with ASD (n = 68) and age-matched healthy controls (n = 80) was analyzed using magnetic bead-based separation combined with mass spectrum...
May 13, 2018: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29741735/widespread-epigenomic-transcriptomic-and-proteomic-differences-between-hip-osteophytic-and-articular-chondrocytes-in-osteoarthritis
#10
Julia Steinberg, Roger A Brooks, Lorraine Southam, Sahir Bhatnagar, Theodoros I Roumeliotis, Konstantinos Hatzikotoulas, Eleni Zengini, J Mark Wilkinson, Jyoti S Choudhary, Andrew W McCaskie, Eleftheria Zeggini
Objectives: To identify molecular differences between chondrocytes from osteophytic and articular cartilage tissue from OA patients. Methods: We investigated genes and pathways by combining genome-wide DNA methylation, RNA sequencing and quantitative proteomics in isolated primary chondrocytes from the cartilaginous layer of osteophytes and matched areas of low- and high-grade articular cartilage across nine patients with OA undergoing hip replacement surgery. Results: Chondrocytes from osteophytic cartilage showed widespread differences to low-grade articular cartilage chondrocytes...
May 8, 2018: Rheumatology
https://www.readbyqxmd.com/read/29698332/serum-proteomics-in-african-american-female-patients-with-irritable-bowel-syndrome-an-exploratory-study
#11
Kristen R Weaver, Gail D' Eramo Melkus, Jason Fletcher, Wendy A Henderson
BACKGROUND: Sex and subtype differences within patients with irritable bowel syndrome (IBS) complicate the understanding of disorder pathogenesis and hinder the design of efficacious, therapeutic interventions. OBJECTIVES: The aims of this study were to harness the power of shotgun proteomic analysis, identify circulating proteins that differentiate African American female patients with IBS from healthy controls (HC), and gain biological insight on symptomatology...
May 2018: Nursing Research
https://www.readbyqxmd.com/read/29687827/characterization-of-active-antiplatelet-chemical-compositions-of-edible-citrus-limon-through-ultra-performance-liquid-chromatography-single-quadrupole-mass-spectrometry-based-chemometrics
#12
Qian Zhang, Chengning Tan, Liang Cai, Fangbo Xia, Die Gao, Fengqing Yang, Hua Chen, Zhining Xia
Citrus limon L. (lemon, family: Rutaceae) is the third most popular edible fruit among the Citrus species. Our previous study has shown the significant antiplatelet activity of lemon extracts. The aim of the present study is to identify the features (retention time, m/z) associated with the antiplatelet activity of lemons by correlating a platelet aggregation assay with ultra-performance liquid chromatography single quadrupole mass spectrometry-based chemometrics analysis. The primary bioactivity-guided test results revealed that the butanol (BA) and ethyl acetate (EA) liquid-liquid extraction sections of the ethanol extract of lemons had significant inhibitory effects on platelet aggregation...
May 23, 2018: Food & Function
https://www.readbyqxmd.com/read/29687628/proteomic-profiling-exosomes-from-vascular-smooth-muscle-cell
#13
Hong Qiu, Songshan Shi, Shunchun Wang, Hong Peng, Shi-Jian Ding, Lianchun Wang
PURPOSE: Vascular smooth muscle cells (VSMC) and endothelial cells (EC) communicate mutually to coordinate vascular development and homeostasis. Exosomes are emerging as one type of the mediators involved in this communication. Characterizing proteins in the exosomes is the critical first step in understanding how the VSMC-EC crosstalk is mediated by exosomes. EXPERIMENTAL DESIGN: The proteins in the human VSMC-derived exosomes are profiled using nanoLC-MS/MS based proteomics...
April 24, 2018: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29665821/plasma-proteomic-analysis-reveals-altered-protein-abundances-in-cardiovascular-disease
#14
Vasiliki Lygirou, Agnieszka Latosinska, Manousos Makridakis, William Mullen, Christian Delles, Joost P Schanstra, Jerome Zoidakis, Burkert Pieske, Harald Mischak, Antonia Vlahou
BACKGROUND: Cardiovascular disease (CVD) describes the pathological conditions of the heart and blood vessels. Despite the large number of studies on CVD and its etiology, its key modulators remain largely unknown. To this end, we performed a comprehensive proteomic analysis of blood plasma, with the scope to identify disease-associated changes after placing them in the context of existing knowledge, and generate a well characterized dataset for further use in CVD multi-omics integrative analysis...
April 17, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29611199/preliminary-study-of-protein-changes-in-trisomy-21-fetus-by-proteomics-analysis-in-amniocyte
#15
Hui Liu, He Wang, Hongmei Zhu, Haixia Zhang, Shanling Liu
OBJECTIVE: To discover the candidate biomarker proteins of trisomy 21 (T21) in amniocytes. METHODS: Amniocentesis was performed to collect amniotic fluid from women who underwent prenatal diagnosis due to high risk of T21 at 18th to 22nd week of gestation. Amniocyte samples were collected, and karyotyping analysis was used to confirm the chromosomal status (18 samples of T21 amniocytes and 20 samples of chromosomally normal ones). Then, backup samples for cytogenetic test were used in this study...
April 2, 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29603091/platelet-proteomic-analysis-revealed-differential-pattern-of-cytoskeletal-and-immune-related-proteins-at-early-stages-of-alzheimer-s-disease
#16
Marta González-Sánchez, Teresa Díaz, Consuelo Pascual, Desiree Antequera, Alejandro Herrero-San Martín, Sara Llamas-Velasco, Alberto Villarejo-Galende, Fernando Bartolome, Eva Carro
Platelets are considered a good model system to study a number of elements associated with neuronal pathways as they share biochemical similarities. Platelets represent the major source of amyloid-β (Aβ) in blood contributing to the Aβ accumulation in the brain parenchyma and vasculature. Peripheral blood platelet alterations including cytoskeletal abnormalities, abnormal cytoplasmic calcium fluxes or increased oxidative stress levels have been related to Alzheimer's disease (AD) pathology. Therefore, platelets can be considered a peripheral model to study metabolic mechanisms occurring in AD...
March 30, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29595346/a-proteomic-approach-reveals-the-variation-in-human-platelet-protein-composition-after-storage-at-different-temperatures
#17
Shichun Wang, Tianlun Jiang, Yahan Fan, Shuming Zhao
Cryopreservation can slow down the metabolism and decrease the risk of bacterial contamination. But, chilled platelets (PLTs) show a reduced period in circulation due to the rapid clearance by hepatic cells or spleen macrophages after transfusion. The deleterious changes that PLTs undergo are mainly considered the result of PLT protein variation. However, the basis for proteomic variation of stored PLTs remains poorly understood. Besides count, activation markers (CD62P and Annexin V), and aggregation, we used quantitative mass spectrometry to create the first comprehensive and quantitative human PLT proteome of samples stored at different temperatures (22°C, 10°C and -80°C)...
March 29, 2018: Platelets
https://www.readbyqxmd.com/read/29578674/proteomic-characterization-of-the-neural-ectoderm-fated-cell-clones-in-the-xenopus-laevis-embryo-by-high-resolution-mass-spectrometry
#18
Aparna B Baxi, Camille Lombard-Banek, Sally A Moody, Peter Nemes
The molecular program by which embryonic ectoderm is induced to form neural tissue is essential to understanding normal and impaired development of the central nervous system. Xenopus has been a powerful vertebrate model in which to elucidate this process. However, abundant vitellogenin (yolk) proteins in cells of the early Xenopus embryo interfere with protein detection by high-resolution mass spectrometry (HRMS), the technology of choice for identifying these gene products. Here, we systematically evaluated strategies of bottom-up proteomics to enhance proteomic detection from the neural ectoderm (NE) of X...
April 5, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29564590/proteomic-analysis-of-the-antidepressant-effects-of-shen-zhi-ling-in-depressed-patients-identification-of-proteins-associated-with-platelet-activation-and-lipid-metabolism
#19
Chao Chen, Yuan Hu, Xian-Zhe Dong, Xiao-Jiang Zhou, Li-Hua Mu, Ping Liu
Shen-Zhi-Ling (SZL) is a Chinese medicine formulated from a Kai-Xin-San decoction that is commonly used to treat depression caused by dual deficiencies in the heart and spleen. However, the underlying mechanisms remain unclear. We investigated biological changes in depression patients (DPs) exhibiting antidepressant responses to SZL treatment using proteomic techniques. We performed label-free quantitative proteomic analysis and liquid chromatography-tandem mass spectrometry to discover and examine altered proteins involved in depression and antidepressant treatment...
March 21, 2018: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/29553857/a-comprehensive-proteomics-study-on-platelet-concentrates-platelet-proteome-storage-time-and-mirasol-pathogen-reduction-technology
#20
Vishal Salunkhe, Iris M De Cuyper, Petros Papadopoulos, Pieter F van der Meer, Brunette B Daal, María Villa-Fajardo, Dirk de Korte, Timo K van den Berg, Laura Gutiérrez
Platelet concentrates (PCs) represent a blood transfusion product with a major concern for safety as their storage temperature (20-24°C) allows bacterial growth, and their maximum storage time period (less than a week) precludes complete microbiological testing. Pathogen inactivation technologies (PITs) provide an additional layer of safety to the blood transfusion products from known and unknown pathogens such as bacteria, viruses, and parasites. In this context, PITs, such as Mirasol Pathogen Reduction Technology (PRT), have been developed and are implemented in many countries...
March 19, 2018: Platelets
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