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Blood biomarker proteomic

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https://www.readbyqxmd.com/read/28912895/mass-spectrometry-assisted-gel-based-proteomics-in-cancer-biomarker-discovery-approaches-and-application
#1
REVIEW
Rongrong Huang, Zhongsi Chen, Lei He, Nongyue He, Zhijiang Xi, Zhiyang Li, Yan Deng, Xin Zeng
There is a critical need for the discovery of novel biomarkers for early detection and targeted therapy of cancer, a major cause of deaths worldwide. In this respect, proteomic technologies, such as mass spectrometry (MS), enable the identification of pathologically significant proteins in various types of samples. MS is capable of high-throughput profiling of complex biological samples including blood, tissues, urine, milk, and cells. MS-assisted proteomics has contributed to the development of cancer biomarkers that may form the foundation for new clinical tests...
2017: Theranostics
https://www.readbyqxmd.com/read/28912679/proteomic-differences-in-blood-plasma-associated-with-antidepressant-treatment-response
#2
Christoph W Turck, Paul C Guest, Giuseppina Maccarrone, Marcus Ising, Stefan Kloiber, Susanne Lucae, Florian Holsboer, Daniel Martins-de-Souza
The current inability of clinical psychiatry to objectively select the most appropriate treatment is a major factor contributing to the severity and clinical burden of major depressive disorder (MDD). Here, we have attempted to identify plasma protein signatures in 39 MDD patients to predict response over a 6-week treatment period with antidepressants. LC-MS/MS analysis showed that differences in the levels of 29 proteins at baseline were found in the group with a favorable treatment outcome. Most of these proteins were components of metabolism or immune response pathways as well as multiple components of the coagulation cascade...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28876640/gene-and-protein-expression-profiling-of-pancreatic-tumours-reveal-dysregulated-pathways-and-novel-potential-biomarker
#3
E N Nweke, M N Ntwasa, M B Brand, J D Devar, M D Smith, G P Candy
BACKGROUND: Pancreatic cancer (PDAC) is a deadly type of cancer with almost an equal amount of new cases and deaths observed yearly. It accounts for about 7% of cancer-related deaths worldwide. In many multi-racial societies including South Africa, the black population has the highest incidence rate. Less than 5% of PDAC patients live up to 5 years. The lack of specific and sensitive diagnostic PDAC biomarkers is strongly responsible for this poor statistic. The discovery of differentially expressed genes and proteins associated with PDAC is crucial to elucidating this condition and may lead to biomarker finding and further understanding of the disease...
June 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28869421/a-systemic-view-on-the-distribution-of-diet-derived-methanol-and-hepatic-acetone-in-mice
#4
Martin Kistler, Andreea Muntean, Vera Hoellriegl, Georg Matuschek, Ralf Zimmermann, Christoph Hoeschen, Martin Hrabe de Angelis, Jan Rozman
Volatile organic compounds (VOCs) from breath can successfully be used to diagnose disease-specific pathological alterations in metabolism. However, the exact origin and underlying biochemical pathways that could be mapped to VOC signatures are mainly unknown. There is a knowledge gap regarding the contribution of tissues, organs, the gut microbiome, and exogenous factors to the "sum signal" from breath samples. Animal models for human disease such as mutant mice provide the possibility to reproduce genetic predisposition to disease, thereby allowing the in-depth analysis of metabolic and biochemical functions...
September 4, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28860968/differential-peripheral-proteomic-biosignature-of-fluoxetine-response-in-a-mouse-model-of-anxiety-depression
#5
Indira Mendez-David, Céline Boursier, Valérie Domergue, Romain Colle, Bruno Falissard, Emmanuelle Corruble, Alain M Gardier, Jean-Philippe Guilloux, Denis J David
The incorporation of peripheral biomarkers in the treatment of major depressive disorders (MDD) could improve the efficiency of treatments and increase remission rate. Peripheral blood mononuclear cells (PBMCs) represent an attractive biological substrate allowing the identification of a drug response signature. Using a proteomic approach with high-resolution mass spectrometry, the present study aimed to identify a biosignature of antidepressant response (fluoxetine, a Selective Serotonin Reuptake Inhibitor) in PBMCs in a mouse model of anxiety/depression...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28860483/selective-lrrk2-kinase-inhibition-reduces-phosphorylation-of-endogenous-rab10-and-rab12-in-human-peripheral-mononuclear-blood-cells
#6
Kenneth Thirstrup, Justus C Dächsel, Felix S Oppermann, Douglas S Williamson, Garrick P Smith, Karina Fog, Kenneth V Christensen
Genetic variation in the leucine-rich repeat kinase 2 (LRRK2) gene is associated with risk of familial and sporadic Parkinson's disease (PD). To support clinical development of LRRK2 inhibitors as disease-modifying treatment in PD biomarkers for kinase activity, target engagement and kinase inhibition are prerequisite tools. In a combined proteomics and phosphoproteomics study on human peripheral mononuclear blood cells (PBMCs) treated with the LRRK2 inhibitor Lu AF58786 a number of putative biomarkers were identified...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28843803/downregulation-of-apolipoprotein-e-and-apolipoprotein-j-in-moyamoya-disease-a-proteome-analysis-of-cerebrospinal-fluid
#7
Daina Kashiwazaki, Haruto Uchino, Satoshi Kuroda
BACKGROUND AND PURPOSE: Genetic factors are closely involved in the etiology of moyamoya disease (MMD). However, its postgenomic mechanisms are still unknown. This study was aimed to identify specific biomarkers in the cerebrospinal fluid (CSF) of patients with MMD, using quantitative proteome technique. METHODS: This study included 10 patients with MMD and 4 controls. The CSF was collected without blood contamination during surgery. A comparative 2-dimensional gel electrophoresis study (2D-PAGE) was performed...
August 23, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28821634/lipidomic-and-proteomic-analysis-of-exosomes-from-mouse-cortical-collecting-duct-cells
#8
Viet D Dang, Kishore Kumar Jella, Ragy R T Ragheb, Nancy D Denslow, Abdel A Alli
Exosomes are endosome-derived nanovesicles that are involved in cellular communication and signaling. Exosomes are produced by epithelial cells and are found in biologic fluids including blood and urine. The packaged material within exosomes includes proteins and lipids, but the molecular comparison within exosome subtypes is largely unknown. The purpose of this study was to investigate differences between exosomes derived from the apical plasma membrane and basolateral plasma membrane of polarized murine cortical collecting duct principal cells...
August 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28816095/new-astroglial-injury-defined-biomarkers-for-neurotrauma-assessment
#9
Julia Halford, Sean Shen, Kyohei Itamura, Jaclynn Levine, Albert C Chong, Gregg Czerwieniec, Thomas C Glenn, David A Hovda, Paul Vespa, Ross Bullock, W Dalton Dietrich, Stefania Mondello, Joseph A Loo, Ina-Beate Wanner
Traumatic brain injury (TBI) is an expanding public health epidemic with pathophysiology that is difficult to diagnose and thus treat. TBI biomarkers should assess patients across severities and reveal pathophysiology, but currently, their kinetics and specificity are unclear. No single ideal TBI biomarker exists. We identified new candidates from a TBI CSF proteome by selecting trauma-released, astrocyte-enriched proteins including aldolase C (ALDOC), its 38kD breakdown product (BDP), brain lipid binding protein (BLBP), astrocytic phosphoprotein (PEA15), glutamine synthetase (GS) and new 18-25kD-GFAP-BDPs...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28808996/preparation-and-immunoaffinity-depletion-of-fresh-frozen-tissue-homogenates-for-mass-spectrometry-based-proteomics-in-the-context-of-drug-target-biomarker-discovery
#10
DaRue A Prieto, King C Chan, Donald J Johann, Xiaoying Ye, Gordon Whitely, Josip Blonder
The discovery of novel drug targets and biomarkers via mass spectrometry (MS)-based proteomic analysis of clinical specimens has proven to be challenging. The wide dynamic range of protein concentration in clinical specimens and the high background/noise originating from highly abundant proteins in tissue homogenates and serum/plasma encompass two major analytical obstacles. Immunoaffinity depletion of highly abundant blood-derived proteins from serum/plasma is a well-established approach adopted by numerous researchers; however, the utilization of this technique for immunodepletion of tissue homogenates obtained from fresh frozen clinical specimens is lacking...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28806220/association-of-gender-with-outcome-and-host-response-in-critically-ill-sepsis-patients
#11
Lonneke A van Vught, Brendon P Scicluna, Maryse A Wiewel, Arie J Hoogendijk, Peter M C Klein Klouwenberg, David S Y Ong, Olaf L Cremer, Janneke Horn, Marek Franitza, Mohammad R Toliat, Peter Nürnberg, Marc M J Bonten, Marcus J Schultz, Tom van der Poll
OBJECTIVE: To determine the association of gender with the presentation, outcome, and host response in critically ill patients with sepsis. DESIGN AND SETTING: A prospective observational cohort study in the ICU of two tertiary hospitals between January 2011 and January 2014. PATIENTS: All consecutive critically ill patients admitted with sepsis, involving 1,815 admissions (1,533 patients). INTERVENTIONS: The host response was evaluated on ICU admission by measuring 19 plasma biomarkers reflecting organ systems implicated in sepsis pathogenesis (1,205 admissions) and by applying genome-wide blood gene expression profiling (582 admissions)...
August 11, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28799854/proteomic-studies-in-the-discovery-of-cerebrospinal-fluid-biomarkers-for-amyotrophic-lateral-sclerosis
#12
Peggy Barschke, Patrick Oeckl, Petra Steinacker, Albert Ludolph, Markus Otto
Amyotrophic lateral sclerosis (ALS) is a progressive degenerative motor neuron disease, which usually leads to death within a few years. The diagnosis is mainly based on clinical symptoms and there is a need for ALS-specific biomarkers to make an early and precise diagnosis, for development of disease-modifying drugs and to gain new insights into pathophysiology. Areas covered: In the present review, we summarize studies using mass spectrometric (MS) approaches to identify protein alterations in the cerebrospinal fluid (CSF) of ALS patients...
August 14, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28777303/novel-biomarkers-in-the-diagnosis-of-chronic-kidney-disease-and-the-prediction-of-its-outcome
#13
REVIEW
Jacek Rysz, Anna Gluba-Brzózka, Beata Franczyk, Zbigniew Jabłonowski, Aleksandra Ciałkowska-Rysz
In its early stages, symptoms of chronic kidney disease (CKD) are usually not apparent. Significant reduction of the kidney function is the first obvious sign of disease. If diagnosed early (stages 1 to 3), the progression of CKD can be altered and complications reduced. In stages 4 and 5 extensive kidney damage is observed, which usually results in end-stage renal failure. Currently, the diagnosis of CKD is made usually on the levels of blood urea and serum creatinine (sCr), however, sCr has been shown to be lacking high predictive value...
August 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28775000/bpi-fold-containing-family-a-member-2-parotid-secretory-protein-is-an-early-biomarker-of-aki
#14
Satya K Kota, Elizabeth Pernicone, David E Leaf, Isaac E Stillman, Sushrut S Waikar, Savithri Balasubramanian Kota
AKI is a major cause of morbidity and mortality and an important contributor to the development and progression of CKD. Molecular biomarkers that improve the detection and prognostication of AKI are therefore required. We assessed the utility as such of BPI fold-containing family A member 2 (BPIFA2), also known as parotid secretory protein, which we identified via a multiplex quantitative proteomics screen of acutely injured murine kidneys. In physiologic conditions, BPIFA2 is expressed specifically in the parotid glands and is abundant in salivary secretions...
August 3, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28772032/differentiating-heart-failure-phenotypes-using-sex-specific-transcriptomic-and-proteomic-biomarker-panels
#15
Mustafa Toma, George J Mak, Virginia Chen, Zsuzsanna Hollander, Casey P Shannon, Karen K Y Lam, Raymond T Ng, Scott J Tebbutt, Janet E Wilson-McManus, Andrew Ignaszewski, Todd Anderson, Jason R B Dyck, Jonathan Howlett, Justin Ezekowitz, Bruce M McManus, Gavin Y Oudit
AIMS: Heart failure with preserved ejection fraction (HFpEF) accounts for 30-50% of patients with heart failure (HF). A major obstacle in HF management is the difficulty in differentiating between HFpEF and heart failure with reduced ejection fraction (HFrEF) using conventional clinical and laboratory investigations. The aim of this study is to develop robust transcriptomic and proteomic biomarker signatures that can differentiate HFpEF from HFrEF. METHODS AND RESULTS: A total of 210 HF patients were recruited in participating institutions from the Alberta HEART study...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28762680/-update-on-proteomic-use-in-hemodialysis
#16
REVIEW
Mario Bonomini, Vittorio Sirolli, Silvia Baroni, Andrea Urbani
Application of proteomics has become one of the leading experimental disciplines for increased understanding of the key role played by proteins and protein-protein interactions in all aspects of cell function. There is an increasing use of proteomic technologies for investigation into renal replacement therapy such as hemodialysis. In the last 10 years, the application of shotgun bottom-up liquid chromatography-mass spectrometry/mass spectrometry approaches has been successfully applied to research in uremic toxicity, with the discovery of novel uremic toxins and the potential to delineate a precise molecular approach to defining the biochemical nature of uremia...
August 1, 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28750635/proteomic-analysis-of-human-follicular-fluid-associated-with-successful-in-vitro-fertilization
#17
Xiaofang Shen, Xin Liu, Peng Zhu, Yuhua Zhang, Jiahui Wang, Yanwei Wang, Wenting Wang, Juan Liu, Ning Li, Fujun Liu
BACKGROUND: Human follicular fluid (HFF) provides a key environment for follicle development and oocyte maturation, and contributes to oocyte quality and in vitro fertilization (IVF) outcome. METHODS: To better understand folliculogenesis in the ovary, a proteomic strategy based on dual reverse phase high performance liquid chromatography (RP-HPLC) coupled to matrix-assisted laser desorption/ionization time-of-flight tandem mass spectrometry (LC-MALDI TOF/TOF MS) was used to investigate the protein profile of HFF from women undergoing successful IVF...
July 27, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28749931/quantitative-multiplexed-workflow-for-deep-analysis-of-human-blood-plasma-and-biomarker-discovery-by-mass-spectrometry
#18
Hasmik Keshishian, Michael W Burgess, Harrison Specht, Luke Wallace, Karl R Clauser, Michael A Gillette, Steven A Carr
Proteomic characterization of blood plasma is of central importance to clinical proteomics and particularly to biomarker discovery studies. The vast dynamic range and high complexity of the plasma proteome have, however, proven to be serious challenges and have often led to unacceptable tradeoffs between depth of coverage and sample throughput. We present an optimized sample-processing pipeline for analysis of the human plasma proteome that provides greatly increased depth of detection, improved quantitative precision and much higher sample analysis throughput as compared with prior methods...
August 2017: Nature Protocols
https://www.readbyqxmd.com/read/28736317/next-generation-proteomics-and-its-application-to-clinical-breast-cancer-research
#19
REVIEW
Mariya Mardamshina, Tamar Geiger
Proteomics technology aims to map the protein landscapes of biological samples, and it can be applied to a variety of samples, including cells, tissues, and body fluids. Because the proteins are the main functional molecules in the cells, their levels reflect much more accurately the cellular phenotype and the regulatory processes within them than gene levels, mutations, and even mRNA levels. With the advancement in the technology, it is possible now to obtain comprehensive views of the biological systems and to study large patient cohorts in a streamlined manner...
July 20, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28727760/detection-of-titin-fragments-in-urine-in-response-to-exercise-induced-muscle-damage
#20
Kazue Kanda, Jun Sakuma, Takayuki Akimoto, Yasuo Kawakami, Katsuhiko Suzuki
Many studies have attempted to determine the associations between blood biomarkers and exercise-induced muscle damage. However, poor correlations between the changes in biomarker levels and the magnitude of muscle symptoms have been reported. Recent advances in proteomic tools offer a strategy for the comprehensive analysis of protein expression, which can be used to identify biomarkers. Here, we used a proteomic analysis to identify urinary proteins that appear in response to a calf-raise exercise, including repetitive eccentric muscle contractions, and found that a titin (also known as connectin) N-terminal fragment molecule appears in the urine after eccentric exercise...
2017: PloS One
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