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Proteomics. Clinical Applications

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https://www.readbyqxmd.com/read/28734082/response-to-comment-on-moyron-et%C3%A2-al-differential-protein-expression-in-exosomal-samples-taken-from-trauma-patients-proteomics-clinical-application-2017-may-25
#1
Ron B Moyron, Nathan R Wall
No abstract text is available yet for this article.
July 22, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28731282/altered-signaling-associated-with-chronic-arsenic-exposure-in-human-skin-keratinocytes
#2
Sartaj Ahmad Mir, Santosh Renuse, Gajanan Sathe, Aafaque Ahmad Khan, Arun H Patil, Vishalakshi Nanjappa, Firdous Ahmad Bhat, T S Keshava Prasad, Ashok K Giri, Aditi Chatterjee, Harsha Gowda
Modulation of signaling pathways upon chronic arsenic exposure remains poorly studied. Here we carried out SILAC-based quantitative phosphoproteomics analysis to dissect the signaling induced upon chronic arsenic exposure in human skin keratinocyte cell line, HaCaT. We identified 4,171 unique phosphosites derived from 2,000 proteins. We observed differential phosphorylation of 406 phosphosites (2-fold) corresponding to 305 proteins. Several pathways involved in cytoskeleton maintenance and organization were found to be significantly enriched (p<0...
July 21, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28726264/letter-to-the-editor-differential-protein-expression-in-exosomal-samples-taken-from-trauma-patients
#3
Jia Wu, Ding Xu, Peng Luo
No abstract text is available yet for this article.
July 20, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28697276/comparative-proteomic-study-of-early-hypoxic-response-in-the-cerebral-cortex-of-rats-submitted-to-two-different-hypoxic-models
#4
David Ovelleiro, Santos Blanco, Raquel Hernández, María Ángeles Peinado
PURPOSE: The present study analyses and compares the cortical brain proteomic profiles of two different models of cerebral hypoxic insult in rats (HH: hypobaric hypoxia and HHI: ischemia followed by hypobaric hypoxia) in an attempt to describe the alterations of the early molecular hypoxic adaptive response underlying each one. EXPERIMENTAL DESIGN: A quantitative proteomic profile of left-brain cortices of rats under HH, HHI and control conditions was determined using isobaric labeling (TMT) on the protein extracts from pools of five individuals...
July 11, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28697272/screening-of-antigenic-vesicular-fluid-proteins-of-echinococcus-multilocularis-as-potential-viability-biomarkers-to-monitor-drug-response-in-alveolar-echinococcosis-patients
#5
Benoît Valot, Bénédicte Rognon, Anais Prenel, Alice Baraquin, Jenny Knapp, Mathilde Anelli, Carine Richou, Solange Bresson-Hadni, Frederic Grenouillet, Junhua Wang, Dominique Angèle Vuitton, Bruno Gottstein, Laurence Millon
PURPOSE: The only drugs available to treat alveolar echinococcosis (AE) are mostly parasitostatic and in many cases prescribed for life. Decision criteria for discontinuation rely on the absence of parasitic viability. The aim of the present study was to search for candidate proteins that may exhibit good potential as biomarkers for viability. EXPERIMENTAL DESIGN: Sixteen serum samples (5 healthy controls,11 patients with AE), were used. AE-patients were classified into 3 groups 'Cured' (n = 2), 'ABZ-responders' (n = 4) and 'ABZ-non responders' (n = 5)...
July 11, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28688207/the-application-of-a-microfluidic-reactor-including-spontaneously-adsorbed-trypsin-for-rapid-protein-digestion-of-human-tear-samples
#6
Adam Kecskemeti, Cynthia Nora Nagy, Eva Csosz, Gergo Kallo, Attila Gaspar
In this study the application of a newly developed microfluidic immobilized enzymatic reactor (IMER) designed to accelerate protein digestion in clinical samples is presented. The IMER contains trypsin adsorbed on the porous surface of a PDMS microfluidic chip. Human tear with its relatively low volume and high protein content was collected and used for testing the digestion efficiency of the IMER. With the use of CZE peptide mapping, the efficiency and reproducibility of the reactor were investigated. No significant difference was observed in the CZE peptide profiles of the same tear sample digested in-solution or via microfluidic IMER...
July 8, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28679031/effect-of-social-interactions-on-hippocampal-protein-expression-in-animal-dominant-and-submissive-model-of-behavioral-disorders
#7
Natalia Borovok, Elimelech Nesher, Michal Reichenstein, Tatiana Tikhonova, Yishai Levin, Albert Pinhasov, Izhak Michaelevski
Psychiatric conditions often arise from social interactions, necessary for optimal mental functioning. Dominance and submissiveness are opposite poles of behavior, stemming from processes of social interactions between members inside one group or species. Extreme dominance/submissiveness expressions in humans is accompanied by mental impairments, mania or depression. Here, taking advantage of selectively bred dominant and submissive mice, we assessed protein expression profiles in the social interaction context...
July 5, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28679024/multi-pronged-proteomic-analysis-to-study-the-glioma-pathobiology-using-cerebrospinal-fluid-samples
#8
Nikita Gahoi, Darpan Malhotra, Aliasgar Moiyadi, Santosh G Varma, Mayuri N Gandhi, Sanjeeva Srivastava
PURPOSE: Gliomas are one of the most aggressive and lethal brain tumors arising from neoplastic transformation of astrocytes and oligodendrocytes. In this study, we have carried out a comprehensive quantitative analysis of proteome level differences in cerebrospinal fluid (CSF) across different grades of gliomas for a better understanding of glioma pathobiology. EXPERIMENTAL DESIGN: Glioma patients were diagnosed by radiology and histochemistry- based analyses. Differential proteomic analysis of high (n = 12) and low (n = 8) grade gliomas, and control (n = 3) samples was performed by using two complementary quantitative proteomic approaches; 2D-DIGE and iTRAQ...
July 5, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28631898/mass-spectrometry-based-protein-analytics-to-unravel-the-tissue-pathophysiology-in-duchenne-muscular-dystrophy
#9
Stephanie J Carr, René P Zahedi, Hanns Lochmüller, Andreas Roos
Duchenne muscular dystrophy (DMD) is a genetic muscle wasting condition with limited treatment options available and is caused by the lack of Dystrophin. However, pathophysiology of different tissues is variable showing different histological and molecular signatures. Recently, a number of studies have employed gel-free proteomic approaches to unveil the molecular pathophysiology in terms of tissue-specific proteome changes in dystrophin-deficiency. We analysed studies in models of dystrophin-deficiency and patients both from the published literature...
June 20, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28627779/new-horizon-for-breast-cancer-biomarker-discoveries-what-might-the-liquid-biopsy-of-nipple-aspirate-fluid-hold
#10
Ferdinando Mannello
The existence of cellular, molecular and biochemical heterogeneity of human breast cancers reveals the intricacy of biomarkers complexity, stimulating studies on new approaches (like "liquid biopsies") for the improvements in precision medicine. Breast cancer is recognized as a leading cause of morbidity and mortality worldwide with tumors significantly diverse and containing many types of cells showing different genetic and epigenetic profiles. In this field, the technology of liquid biopsy (applied to a fluid produced by breast gland, named nipple aspirate fluids, NAF) highlights the power of combining basic and clinical research...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28627758/spectral-library-based-glycopeptide-analysis-detection-of-circulating-galectin-3-binding-protein-in-pancreatic-cancer
#11
Eslam N Nigjeh, Ru Chen, Yasuko Allen-Tamura, Randall E Brand, Teresa A Brentnall, Sheng Pan
PURPOSE: Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease characterized by its late diagnosis, poor prognosis and rapid development of drug resistance. Using the data-independent acquisition (DIA) technique, the authors applied a spectral library-based proteomic approach to analyze N-glycosylated peptides in human plasma, in the context of pancreatic cancer study. EXPERIMENTAL DESIGN: The authors extended the application of DIA to the quantification of N-glycosylated peptides enriched from plasma specimens from a clinically well-defined cohort that consists of patients with early stage PDAC, chronic pancreatitis and healthy subjects...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28627738/systematic-review-on-the-proteomic-profile-of-mycobacterium-tuberculosis-exposed-to-drugs
#12
REVIEW
Paula Aline Zanetti Campanerut-Sá, Luciana Dias Ghiraldi-Lopes, Jean Eduardo Meneguello, Jorge Juarez Vieira Teixeira, Regiane Bertin de Lima Scodro, Vera Lucia Dias Siqueira, Terezinha Inez Estivalet Svidzinski, Fernando Rogério Pavan, Rosilene Fressatti Cardoso
The authors present an overview about proteomics studies in Mycobacterium tuberculosis exposed to some anti-tuberculosis drugs and new candidates, using two-dimensional gel electrophoresis and mass spectrometry. To date, that the authors have knowledge, this is the first studies that was performed specifically in M. tuberculosis using systematic review on electronic literature conducted in three databases using the following search terms: tuberculosis OR mycobacterium tuberculosis, proteome OR proteomics, and mass spectrometry electrospray ionization OR matrix-assisted laser desorption ionization OR two-dimensional gel electrophoresis...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28626882/quantitative-proteome-analysis-of-plasma-microparticles-for-the-characterization-of-hcv-induced-hepatic-cirrhosis-and-hepatocellular-carcinoma
#13
Raghda Saad Zaghloul Taleb, Pacint Moez, Doreen Younan, Martin Eisenacher, Matthias Tenbusch, Barbara Sitek, Thilo Bracht
PURPOSE: Hepatocellular carcinoma (HCC) is the most common primary malignant liver tumor and a leading cause of cancer-related deaths worldwide. Cirrhosis induced by hepatitis-C virus (HCV) infection is the most critical risk factor for HCC. However, the mechanism of HCV-induced carcinogenesis is not fully understood. Plasma microparticles (PMP) contribute to numerous physiological and pathological processes and contain proteins whose composition correlates to the respective pathophysiological conditions...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28561948/identification-of-fucosylated-fetuin-a-as-a-potential-biomarker-for-cholangiocarcinoma
#14
Lucy Betesh, Mary Ann Comunale, Mengjun Wang, Hongyan Liang, Julie Hafner, Aykan Karabudak, Nasra H Giama, Catherine D Moser, Eiji Miyoshi, Lewis R Roberts, Timothy M Block, Anand Mehta
PURPOSE: Cholangiocarcinoma (CCA) is a malignancy of the bile ducts. The purpose of this discovery study was to identify effective serum markers for surveillance of cholangiocarcinoma. EXPERIMENTAL DESIGN: Using a glycomic method, patients with CCA were determined to have increased levels of alpha-1,3 and alpha-1,6 linked fucosylated glycan. Proteomic analysis of the serum fucosylated proteome identified proteins such as alpha-2-macroglobulin, kininogen, hemopexin, fetuin-A, alpha-1 anti-trypsin, and ceruloplasmin as being hyperfucosylated in HCC...
May 31, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28544811/differential-protein-expression-in-exosomal-samples-taken-from-trauma-patients
#15
Ron B Moyron, Amber Gonda, Matthew J Selleck, Xian Luo-Owen, Richard D Catalano, Thomas O'Callahan, Carlos Garberoglio, David Turay, Nathan R Wall
Traumatic brain injuries (TBI) are among the most misdiagnosed and underreported types of head trauma. The potential long-term impact of undiagnosed or incorrectly identified concussions and other head injuries are potentially devastating, as evidenced by the increasing societal burden exhibited by soldiers returning from combat and athletes in contact sports. Concussions and TBI are notoriously difficult to correctly diagnose and prognosis for these injuries is poorly understood. In order to increase the likelihood of successful diagnosis, treatment, and prediction of outcomes, a definitive differential diagnosis will need to be established...
May 25, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28508575/upregulation-of-inflammatory-mediators-in-the-ventricular-zone-after-cortical-stroke
#16
Adrianna N Gunton, Juan C Sanchez-Arias, Esther O Carmona-Wagner, Leigh E Wicki-Stordeur, Leigh Anne Swayne
PURPOSE: After cortical stroke, neural precursor cells (NPCs) in the distal ventricular zone (VZ) proliferate more rapidly and migrate towards the injured cortex. While evidence suggests this can enhance stroke recovery, the underlying molecular mechanisms initiating the response are poorly understood. Here we identified changes in protein expression in the ipsilateral VZ early (4 hours) after stroke to gain insight into the initial mechanisms involved in NPC activation post-stroke. EXPERIMENTAL DESIGN: Four hours after photothrombotic stroke (or sham surgery control) in the sensorimotor cortex, adult mice (10 stroke, 10 sham) were subjected to cardiac perfusion with PBS, and ipsilateral and contralateral VZ tissue was microdissected...
May 15, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28493612/identification-of-extracellular-matrix-protein-1-as-a-potential-plasma-biomarker-of-escc-by-proteomic-analysis-using-itraq-and-2d-lc-ms-ms
#17
Xianghu Wang, Yuan Peng, Ming Xie, Zhikui Gao, Lihong Yin, Yuepu Pu, Ran Liu
PURPOSE: This study was aimed to conduct a proteomics profiling analysis on plasma obtained from ESCC patients with the goal of identifying appropriate plasma protein biomarkers in the progression of ESCC. EXPERIMENTAL DESIGN: Plasma from 28 ESCC patients and 28 Healthy controls (HC) were analyzed by iTRAQ combined with 2D-LC-MS/MS. ProteinPilot software was used to identify the differentially expressed plasma proteins in ESCC compared to HC. Western blot was performed to verify the expression of selected proteins in 37 independent ESCC patients and 37 HC...
May 11, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28488344/nipple-aspirate-fluid-a-liquid-biopsy-for-diagnosing-breast-health
#18
Sadr-Ul Shaheed, Catherine Tait, Kyriacos Kyriacou, Joanne Mullarkey, Wayne Burrill, Laurence H Patterson, Richard Linforth, Mohamed Salhab, Chris Sutton
PURPOSE: Nipple secretions are protein-rich and a potential source of breast cancer biomarkers for breast cancer screening. Previous studies of specific proteins have shown limited correlation with clinicopatholigical features. Our aim, in this pilot study, was to investigate the intra- and inter-patient protein composition of nipple secretions and the implications for their use as liquid biopsies. EXPERIMENTAL DESIGN: Matched pairs of NAF (n = 15) were characterised for physicochemical properties and SDS PAGE...
May 10, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28319654/an-alpha-synuclein-mrm-assay-with-diagnostic-potential-for-parkinson-s-disease-and-monitoring-disease-progression
#19
Li Yang, Tessandra Stewart, Min Shi, Gwenael Pottiez, Romel Dator, Rui Wu, Patrick Aro, Robert J Schuster, Carmen Ginghina, Catherine Pan, Yuqian Gao, Weijun Qian, Cyrus P Zabetian, Shu-Ching Hu, Joseph F Quinn, Jing Zhang
AIM: The alpha-synuclein (α-syn) level in human cerebrospinal fluid (CSF), as measured by immunoassays, is promising as a Parkinson's disease (PD) biomarker. However, the levels of total α-syn are inconsistent among studies with large cohorts and different measurement platforms. Total α-syn level also does not correlate with disease severity or progression. Here, the authors developed a highly sensitive MRM method to measure absolute CSF α-syn peptide concentrations without prior enrichment or fractionation, aiming to discover new candidate biomarkers...
July 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28314077/comparative-subproteomic-analysis-of-clinically-acquired-fluoroquinolone-resistance-and-ciprofloxacin-stress-in-salmonella-typhimurium-dt104b
#20
Susana Correia, Michel Hébraud, Ingrid Chafsey, Christophe Chambon, Didier Viala, Yolanda Sáenz, José Luis Capelo, Patrícia Poeta, Gilberto Igrejas
PURPOSE: Antimicrobial resistance is a worldwide public health threat and Salmonella enterica subsp. enterica serotype Typhimurium phage type DT104B multiresistant strains with additional quinolone resistance have been responsible for global outbreaks and high mortality. Quinolone resistance is known to be multifactorial but is still far from a complete understanding. To give new insights about the resistance mechanisms involved, this work aimed to evaluate subproteome changes between an S...
July 2017: Proteomics. Clinical Applications
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