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Mass Spectrometry-based Approaches for Targeted Quantitative Proteomics in Biomarker Development

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Release : 2015
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Kind : eBook
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Book Synopsis Mass Spectrometry-based Approaches for Targeted Quantitative Proteomics in Biomarker Development by : Mary Joan Castillo

Download or read book Mass Spectrometry-based Approaches for Targeted Quantitative Proteomics in Biomarker Development written by Mary Joan Castillo. This book was released on 2015. Available in PDF, EPUB and Kindle. Book excerpt:

Proteomic and Metabolomic Approaches to Biomarker Discovery

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Release : 2013-05-20
Genre : Science
Kind : eBook
Book Rating : 952/5 ( reviews)

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Book Synopsis Proteomic and Metabolomic Approaches to Biomarker Discovery by : Haleem J. Issaq

Download or read book Proteomic and Metabolomic Approaches to Biomarker Discovery written by Haleem J. Issaq. This book was released on 2013-05-20. Available in PDF, EPUB and Kindle. Book excerpt: Proteomic and Metabolomic Approaches to Biomarker Discovery demonstrates how to leverage biomarkers to improve accuracy and reduce errors in research. Disease biomarker discovery is one of the most vibrant and important areas of research today, as the identification of reliable biomarkers has an enormous impact on disease diagnosis, selection of treatment regimens, and therapeutic monitoring. Various techniques are used in the biomarker discovery process, including techniques used in proteomics, the study of the proteins that make up an organism, and metabolomics, the study of chemical fingerprints created from cellular processes. Proteomic and Metabolomic Approaches to Biomarker Discovery is the only publication that covers techniques from both proteomics and metabolomics and includes all steps involved in biomarker discovery, from study design to study execution. The book describes methods, and presents a standard operating procedure for sample selection, preparation, and storage, as well as data analysis and modeling. This new standard effectively eliminates the differing methodologies used in studies and creates a unified approach. Readers will learn the advantages and disadvantages of the various techniques discussed, as well as potential difficulties inherent to all steps in the biomarker discovery process. A vital resource for biochemists, biologists, analytical chemists, bioanalytical chemists, clinical and medical technicians, researchers in pharmaceuticals, and graduate students, Proteomic and Metabolomic Approaches to Biomarker Discovery provides the information needed to reduce clinical error in the execution of research. - Describes the use of biomarkers to reduce clinical errors in research - Includes techniques from a range of biomarker discoveries - Covers all steps involved in biomarker discovery, from study design to study execution

Advancing Mass Spectrometry-based Discovery and Targeted Approaches for Disease Proteomic and Ptm Analyses

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Release : 2019
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Kind : eBook
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Book Synopsis Advancing Mass Spectrometry-based Discovery and Targeted Approaches for Disease Proteomic and Ptm Analyses by : Xiaofang Zhong (Ph.D.)

Download or read book Advancing Mass Spectrometry-based Discovery and Targeted Approaches for Disease Proteomic and Ptm Analyses written by Xiaofang Zhong (Ph.D.). This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt: Stable-isotope labeling coupled with mass spectrometry (MS) has emerged as the central technology for proteome quantification. Chemical stable isotope labels can be categorized into two major classes, namely mass difference labels and isobaric labels. Based on the various labeling approaches, we firstly develop a strategy for discovery and verification of candidate biomarkers in cerebrospinal fluid of preclinical Alzheimer's disease (AD), an asymptomatic phase with neuropathological abnormalities but no cognitive impairment. To further improve quantification accuracy, we develop 5-plex mass defect-based N,N-dimethyl leucine (mdDiLeu) tags for quantitative proteomics as an MS1-centric quantification method. The limitations of current quantification methods used for biomarker verification include low specificity in complex backgrounds, limited analytical throughput, and wide dynamic range, we developed a hybrid offset-triggered multiplex absolute quantification (HOTMAQ) strategy for targeted proteomics. HOTMAQ combines cost-effective mass difference and isobaric tags to address these issues simultaneously. Given the controversial discovery of protein biomarkers in AD and no reliable protein biomarkers for early detection are available in mild cognitive impairment (MCI, a symptomatic predementia phase) or AD so far, it is pivotal to define new players to aid in accurate diagnosis of this devastating disease. Protein glycosylation is one of the most common and complex post-translational modifications (PTMs), playing a fundamental role in many key biological processes. we develop large-scale comparative N-glycoproteomics of cerebrospinal fluid to elucidate glycoprotein microheterogeneity and relate the subtle changes in glycan structural repertoire to disease progression of AD. Phosphorylation, another common PTM, has been revealed to regulate cell dedifferentiation in restenosis. Transforming growth factor beta (TGF-[beta]) and its signaling protein Smad3 play important roles in vascular restenosis, but very little is yet known about the downstream regulation in response to elevated TGF-[beta]/Smad3 in smooth muscle cell (SMC). We develop a highly multiplexed quantitative proteomics and phosphoproteomics approach to assess dynamic protein expression and phosphorylation changes in SMC. Taken together, this work not only improves the quantification strategies for discovery and targeted proteomics and global PTM analyses, but also presents a useful platform to discover biomarkers and explore the underlying molecular mechanism of several diseases.

Quantitative Proteomics

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Release : 2014-01-10
Genre : Science
Kind : eBook
Book Rating : 091/5 ( reviews)

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Book Synopsis Quantitative Proteomics by : Claire E Eyers

Download or read book Quantitative Proteomics written by Claire E Eyers. This book was released on 2014-01-10. Available in PDF, EPUB and Kindle. Book excerpt: As a component of post-genome science, the field of proteomics has assumed great prominence in recent years. Whereas quantitative analyses focussed initially on relative quantification, a greater emphasis is now placed on absolute quantification and consideration of proteome dynamics. Coverage of the topic of quantitative proteomics requires consideration both of the analytical fundamentals of quantitative mass spectrometry and the specific demands of the problem being addressed. Quantitative Proteomics aims to outline the state of the art in mass spectrometry-based quantitative proteomics, describing recent advances and current limitations in the instrumentation used, together with the various methods employed for generating high quality data. Details on both strategies describing how stable isotope labelling can be applied and methods for performing quantitative analysis of proteins in a label-free manner are given. The utility of these strategies to understanding cellular protein dynamics are then exemplified with chapters looking at spatial proteomics, dynamics of protein function as determined by quantifying changes in protein post-translational modification and protein turnover. Finally, a key application of these techniques to biomarker discovery and validation is presented, together with the rapidly developing area of quantitative analysis of protein-based foodstuffs. This exemplary book is essential reading for analytical and biological mass spectrometrists working in proteomics research, as well as those undertaking either fundamental or clinical-based investigations with an interest in understanding protein dynamics and/or biomarker assessment.

Mass Spectrometry-Based Chemical Proteomics

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Release : 2019-09-04
Genre : Science
Kind : eBook
Book Rating : 553/5 ( reviews)

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Book Synopsis Mass Spectrometry-Based Chemical Proteomics by : W. Andy Tao

Download or read book Mass Spectrometry-Based Chemical Proteomics written by W. Andy Tao. This book was released on 2019-09-04. Available in PDF, EPUB and Kindle. Book excerpt: PROVIDES STRATEGIES AND CONCEPTS FOR UNDERSTANDING CHEMICAL PROTEOMICS, AND ANALYZING PROTEIN FUNCTIONS, MODIFICATIONS, AND INTERACTIONS—EMPHASIZING MASS SPECTROMETRY THROUGHOUT Covering mass spectrometry for chemical proteomics, this book helps readers understand analytical strategies behind protein functions, their modifications and interactions, and applications in drug discovery. It provides a basic overview and presents concepts in chemical proteomics through three angles: Strategies, Technical Advances, and Applications. Chapters cover those many technical advances and applications in drug discovery, from target identification to validation and potential treatments. The first section of Mass Spectrometry-Based Chemical Proteomics starts by reviewing basic methods and recent advances in mass spectrometry for proteomics, including shotgun proteomics, quantitative proteomics, and data analyses. The next section covers a variety of techniques and strategies coupling chemical probes to MS-based proteomics to provide functional insights into the proteome. In the last section, it focuses on using chemical strategies to study protein post-translational modifications and high-order structures. Summarizes chemical proteomics, up-to-date concepts, analysis, and target validation Covers fundamentals and strategies, including the profiling of enzyme activities and protein-drug interactions Explains technical advances in the field and describes on shotgun proteomics, quantitative proteomics, and corresponding methods of software and database usage for proteomics Includes a wide variety of applications in drug discovery, from kinase inhibitors and intracellular drug targets to the chemoproteomics analysis of natural products Addresses an important tool in small molecule drug discovery, appealing to both academia and the pharmaceutical industry Mass Spectrometry-Based Chemical Proteomics is an excellent source of information for readers in both academia and industry in a variety of fields, including pharmaceutical sciences, drug discovery, molecular biology, bioinformatics, and analytical sciences.

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