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Clinical Proteomics

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https://www.readbyqxmd.com/read/28643930/moving-towards-precision-orthodontics-an-evolving-paradigm-shift-in-the-planning-and-delivery-of-customized-orthodontic-therapy
#1
REVIEW
A H Jheon, S Oberoi, R C Solem, S Kapila
Advances in precision medicine portend similar progress in orthodontics and will be increasingly harnessed to achieve customized treatment approaches and enhance treatment efficiencies. Our goal is to provide a background on emerging advances in computer technologies and biomedicine and highlight their current and likely future applications to precision orthodontics. A review of orthodontically relevant technologies and advances in pertinent biological research was undertaken. Innovations in computer hardware and software, and 3D imaging technologies offer the ability for customized treatment and biomechanical planning that will be more fully realized within the next few decades...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643914/the-use-of-cell-culture-platforms-to-identify-novel-markers-of-bone-and-dentin-resorption
#2
W J Rody, O Krokhin, V Spicer, C A Chamberlain, M Chamberlain, K P McHugh, S M Wallet, A K Emory, J D Crull, L S Holliday
OBJECTIVES: 1) To test the hypothesis that there would be proteomic differences in the composition of exosomes isolated from osteoclasts and odontoclasts and 2) to determine the clinical usefulness of these in vitro biomarker candidates. MATERIALS AND METHODS: Mouse bone marrow-derived precursors were cultured on either dentin or bone slices and allowed to mature and begin resorption. Exosomes were isolated from cell culture media and characterized by mass spectrometry...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28642677/a-novel-workflow-combining-plaque-imaging-plaque-and-plasma-proteomics-identifies-biomarkers-of-human-coronary-atherosclerotic-plaque-disruption
#3
Regent Lee, Roman Fischer, Philip D Charles, David Adlam, Alessandro Valli, Katalin Di Gleria, Rajesh K Kharbanda, Robin P Choudhury, Charalambos Antoniades, Benedikt M Kessler, Keith M Channon
BACKGROUND: Atherosclerotic plaque rupture is the culprit event which underpins most acute vascular syndromes such as acute myocardial infarction. Novel biomarkers of plaque rupture could improve biological understanding and clinical management of patients presenting with possible acute vascular syndromes but such biomarker(s) remain elusive. Investigation of biomarkers in the context of de novo plaque rupture in humans is confounded by the inability to attribute the plaque rupture as the source of biomarker release, as plaque ruptures are typically associated with prompt down-stream events of myocardial necrosis and systemic inflammation...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28640320/molecular-signature-of-coronary-stent-thrombosis-oxidative-stress-and-innate-immunity-cells
#4
Judit Cubedo, Ana Blasco, Teresa Padro, Ilaria Ramaiola, Oriol Juan-Babot, Javier Goicolea, José Antonio Fernández-Díaz, Juan Francisco Oteo, Lina Badimon
The clinical impact of in-stent thrombosis is high because it is associated with high mortality and 20 % of the patients suffer a recurrent event within the two following years. The aim of this study was to characterise the morphologic and proteomic profile of in-stent thrombi (IST) in comparison to thrombi developed on native coronary arteries (CT) to identify a differential molecular signature. The study included 45 patients with ST-elevation-myocardial-infarction (STEMI) treated by primary-percutaneous-intervention and thrombus aspiration: 21 had IST and 24 had CT...
June 22, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28635333/molecular-biomarkers-to-guide-precision-medicine-in-localized-prostate-cancer
#5
Minke Smits, Niven Mehra, Michiel Sedelaar, Winald Gerritsen, Jack A Schalken
Major advances through tumor profiling technologies, that include next-generation sequencing, epigenetic, proteomic and transcriptomic methods, have been made in primary prostate cancer, providing novel biomarkers that may guide precision medicine in the near future. Areas covered: The authors provided an overview of novel molecular biomarkers in tissue, blood and urine that may be used as clinical tools to assess prognosis, improve selection criteria for active surveillance programs, and detect disease relapse early in localized prostate cancer...
June 21, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28632924/metabolomics-as-a-driver-in-advancing-precision-medicine-in-sepsis
#6
Michelle Eckerle, Lilliam Ambroggio, Michael Puskarich, Brent Winston, Alan E Jones, Theodore J Standiford, Kathleen A Stringer
OBJECTIVE: The objective of this review is to explain the science of metabolomics-a science of systems biology that measures and studies endogenous small molecules (metabolites) that are present in a single biological sample-and its application to the diagnosis and treatment of sepsis. In addition, we discuss how discovery through metabolomics can contribute to the development of precision medicine targets for this complex disease state and the potential avenues for those new discoveries to be applied in the clinical environment...
June 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28632724/oral-squamous-cell-carcinoma-patients-can-be-differentiated-from-healthy-individuals-with-label-free-serum-proteomics
#7
Mayank Saraswat, Antti Mäkitie, Rahul Agarwal, Sakari Joenväärä, Suvi Renkonen
BACKGROUND: No blood biomarkers to detect early oral cavity squamous cell carcinoma (OSCC) without clinical signs exist - diagnosis is solely based on histology of a visible tumour. Most OSCC patients are diagnosed at advanced stage, which leads to significant morbidity and poor survival. Our aim was to find the serum screening or detection biomarkers in OSCC. METHODS: Serum samples from patients with OSCC treated at the Department of Otorhinolaryngology - Head and Neck Surgery, Helsinki University Hospital (Finland) were collected...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28632510/itraq-based-quantitative-proteomic-analysis-of-lungs-in-murine-polymicrobial-sepsis-with-hydrogen-gas-treatment
#8
Yingxue Bian, Chao Qin, Yuchang Xin, Yang Yu, Hongguang Chen, Guolin Wang, Keliang Xie, Yonghao Yu
Sepsis-associated acute lung injury (ALI), which carries a high morbidity and mortality in patients, has no effective therapeutic strategies to date. Our group have already reported that hydrogen gas (H2) exerts a protective effect against sepsis in mice. However, the molecular mechanisms underlying H2 treatment are not fully understood. This study investigated the effects of H2 on lung injuries in septic mice through the iTRAQ-based quantitative proteomic analysis. Male ICR mice used in this study were subjected to cecal ligation and puncture (CLP) or sham operation...
June 19, 2017: Shock
https://www.readbyqxmd.com/read/28630127/deciphering-function-of-new-gonococcal-vaccine-antigens-using-phenotypic-microarrays
#9
Benjamin I Baarda, Sarah Emerson, Philip J Proteau, Aleksandra E Sikora
The function and extracellular location of cell envelope proteins make them attractive candidates for developing vaccines against bacterial diseases, including challenging, drug-resistant pathogens such as Neisseria gonorrhoeae Proteomics-driven reverse vaccinology delivered multiple gonorrhea vaccine candidates; however, the biological functions of many of them remain to be elucidated. Herein, the functions of six gonorrhea vaccine candidates - NGO2121, NGO1985, NGO2054, NGO2111, NGO1205, and NGO1344 - in cell envelope homeostasis were probed using phenotype microarrays with 1,056 conditions and a ΔbamE mutant (Δngo1780) as a reference of perturbed outer membrane integrity...
June 19, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28629798/proteomic-analysis-of-mesenchymal-to-schwann-cell-transdifferentiation
#10
Anup D Sharma, Jayme Wiederin, Metin Uz, Pawel Ciborowski, Surya K Mallapragada, Howard E Gendelman, Donald S Sakaguchi
While transplantation of Schwann cells facilitates axon regeneration, remyelination and repair after peripheral nerve injury clinical use is limited by cell bioavailability. We posit that such limitation in cell access can be overcome by the use of autologous bone-marrow derived mesenchymal stem cells (MSCs). As MSCs can transdifferentiate to Schwann cell-phenotypes and accelerate nerve regeneration we undertook proteomic evaluation of the cells to uncover the protein contents that affects Schwann cell formulation...
June 16, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28628884/proteomics-profiling-reveals-inflammatory-biomarkers-of-antidepressant-treatment-response-findings-from-the-co-med-trial
#11
Bharathi S Gadad, Manish K Jha, Bruce D Grannemann, Taryn L Mayes, Madhukar H Trivedi
Animal and human studies suggest an association between depression and aberrant immune response. Further, common inflammatory markers may change during the course of antidepressant treatment in patients. The objective of this study was to evaluate changes in inflammatory markers and clinical outcomes from subjects enrolled in the Combining Medications to Enhance Depression Outcome (CO-MED) trial. At baseline and week 12 (treatment completion), plasma samples of 102 participants were analyzed via a multiplex assay comprised of inflammatory markers using a 27-plex standard assay panel plus a 4-plex human acute phase xMAP technology based platform...
May 26, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28628634/protein-signature-in-cerebrospinal-fluid-and-serum-of-alzheimer-s-disease-patients-the-case-of-apolipoprotein-a-1-proteoforms
#12
Chiara Fania, Beatrice Arosio, Daniele Capitanio, Enrica Torretta, Cristina Gussago, Evelyn Ferri, Daniela Mari, Cecilia Gelfi
In the diagnosis of Alzheimer's disease (AD) total tau (T-tau), tau phosphorylated at threonine 181 (P-tau181), and the 42 amino acid isoform of alpha β-amyloid (Aβ) are well established surrogate CSF markers. However, there is a constant need for new diagnostic markers to identify the disease at a very early stage. The identification of new molecules for AD diagnosis and monitoring in CSF is hampered by several "confounding" factors including intra- and inter-individual, pre-analytical and analytical variabilities...
2017: PloS One
https://www.readbyqxmd.com/read/28627779/new-horizon-for-breast-cancer-biomarker-discoveries-what-might-the-liquid-biopsy-of-nipple-aspirate-fluid-hold
#13
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
#14
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, we applied a spectral library-based proteomic approach to analyze N-glycosylated peptides in human plasma, in the context of pancreatic cancer study. EXPERIMENTAL DESIGN: We 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/28626571/integrative-approach-for-the-analysis-of-the-proteome-wide-response-to-bismuth-drugs-in-helicobacter-pylori
#15
Yuchuan Wang, Ligang Hu, Feng Xu, Quan Quan, Yau-Tsz Lai, Wei Xia, Ya Yang, Yuen-Yan Chang, Xinming Yang, Zhifang Chai, Junwen Wang, Ivan K Chu, Hongyan Li, Hongzhe Sun
Bismuth drugs, despite being clinically used for decades, surprisingly remain in use and effective for the treatment of Helicobacter pylori infection, even for resistant strains when co-administrated with antibiotics. However, the molecular mechanisms underlying the clinically sustained susceptibility of H. pylori to bismuth drugs remain elusive. Herein, we report that integration of in-house metalloproteomics and quantitative proteomics allows comprehensive uncovering of the bismuth-associated proteomes, including 63 bismuth-binding and 119 bismuth-regulated proteins from Helicobacter pylori, with over 60% being annotated with catalytic functions...
June 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28626361/molecular-biomarkers-of-colorectal-cancer-and-cancer-disparities-current-status-and-perspective
#16
Upender Manne, Trafina Jadhav, Balananda-Dhurjati Kumar Putcha, Temesgen Samuel, Shivani Soni, Chandrakumar Shanmugam, Esther A Suswam
This review provides updates on the efforts for the development of prognostic and predictive markers in colorectal cancer based on the race/ethnicity of patients. Since the clinical consequences of genetic and molecular alterations differ with patient race and ethnicity, the usefulness of these molecular alterations as biomarkers needs to be evaluated in different racial/ethnic groups. To accomplish personalized patient care, a combined analysis of multiple molecular alterations in DNA, RNA, microRNAs (miRNAs), metabolites, and proteins in a single test is required to assess disease status in a precise way...
December 2016: Current Colorectal Cancer Reports
https://www.readbyqxmd.com/read/28625995/novel-antibiotic-resistance-determinants-from-agricultural-soil-exposed-to-antibiotics-widely-used-in-human-medicine-and-animal-farming
#17
Calvin Ho-Fung Lau, Kalene van Engelen, Stephen Gordon, Justin Renaud, Edward Topp
Antibiotic resistance has emerged globally as one of the biggest threats to human and animal health. Although the excessive use of antibiotics is recognized for accelerating the selection for resistance, there is a growing body of evidence suggesting that natural environments are "hotspots" for the development of both ancient and contemporary resistance mechanisms. Given that pharmaceuticals can be entrained onto agricultural land through anthropogenic activities, this could be a potential driver for the emergence and dissemination of resistance in soil bacteria...
June 16, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28625740/comparative-proteomic-analysis-of-two-transgenic-low-gliadin-wheat-lines-and-non-transgenic-wheat-control
#18
María Dolores García-Molina, Vera Muccilli, Rosaria Saletti, Salvatore Foti, Stefania Masci, Francisco Barro
Gluten proteins are major determinants of the bread making quality of wheat, but also of important wheat-related disorders, including coeliac disease (CD), and allergies. We carried out a proteomic study using the total grain proteins from two low-gliadin wheat lines, obtained by RNAi, and the untransformed wild type as reference. The impact of silencing on both target and on non-target proteins was evaluated. Because of the great protein complexity, we performed separate analyses of four kernel protein fractions: gliadins and glutenin subunits, and metabolic and CM-like proteins, by using a classical 2D electrophoresis gel based approach followed by RP-HPLC/nESI-MS/MS...
June 15, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28624903/early-diagnosis-of-sepsis-is-an-integrated-omics-approach-the-way-forward
#19
REVIEW
Raymond J Langley, Hector R Wong
Sepsis remains one of the leading causes of death in the USA and it is expected to get worse as the population ages. Moreover, the standard of care, which recommends aggressive treatment with appropriate antibiotics, has led to an increase in multiple drug-resistant organisms. There is a dire need for the development of new antibiotics, improved antibiotic stewardship, and therapies that treat the host response. Development of new sepsis therapeutics has been a disappointment as no drugs are currently approved to treat the various complications from sepsis...
June 17, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28624389/plasma-proteome-analysis-in-patients-with-pulmonary-arterial-hypertension-an-observational-cohort-study
#20
Christopher J Rhodes, John Wharton, Pavandeep Ghataorhe, Geoffrey Watson, Barbara Girerd, Luke S Howard, J Simon R Gibbs, Robin Condliffe, Charles A Elliot, David G Kiely, Gerald Simonneau, David Montani, Olivier Sitbon, Henning Gall, Ralph T Schermuly, H Ardeschir Ghofrani, Allan Lawrie, Marc Humbert, Martin R Wilkins
BACKGROUND: Idiopathic and heritable pulmonary arterial hypertension form a rare but molecularly heterogeneous disease group. We aimed to measure and validate differences in plasma concentrations of proteins that are associated with survival in patients with idiopathic or heritable pulmonary arterial hypertension to improve risk stratification. METHODS: In this observational cohort study, we enrolled patients with idiopathic or heritable pulmonary arterial hypertension from London (UK; cohorts 1 and 2), Giessen (Germany; cohort 3), and Paris (France; cohort 4)...
June 14, 2017: Lancet Respiratory Medicine
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