Liquid Chromatography-mass Spectrometry-based Neuropeptide Characterizations Across Neuronal Models

Liquid Chromatography-mass Spectrometry-based Neuropeptide Characterizations Across Neuronal Models PDF Author:
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Languages : en
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Analysis of Neuropeptides by Liquid Chromatography and Mass Spectrometry

Analysis of Neuropeptides by Liquid Chromatography and Mass Spectrometry PDF Author: D.M. Desiderio
Publisher: Elsevier
ISBN: 0080875548
Category : Science
Languages : en
Pages : 255

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Analysis of Neuropeptides by Liquid Chromatography and Mass Spectrometry

Characterizing Neural Tissues with Mass Spectrometry Imaging Via Enhanced Computational Approaches

Characterizing Neural Tissues with Mass Spectrometry Imaging Via Enhanced Computational Approaches PDF Author: Tyler A. Zimmerman
Publisher:
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Category :
Languages : en
Pages :

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Neuropeptides affect the activity of the myriad of neuronal circuits in the brain. They are under tight spatial and chemical control and the dynamics of their release and catabolism directly modify neuronal network activity. Understanding neuropeptide functioning requires approaches to determine their chemical and spatial heterogeneity within neural tissue, but most imaging techniques do not provide the complete information desired. To provide chemical information, most imaging techniques used to study the nervous system require preselection and labeling of the peptides of interest; however, mass spectrometry imaging (MSI) detects analytes across a broad mass range without the need to target a specific analyte. When used with matrix-assisted laser desorption/ionization (MALDI), MSI detects analytes in the mass range of neuropeptides. MALDI MSI simultaneously provides spatial and chemical information resulting in images that plot the spatial distributions of neuropeptides over the surface of a thin slice of neural tissue. Here a variety of approaches for neuropeptide characterization are developed. Specifically, several computational approaches are combined with MALDI MSI to create improved approaches that provide spatial distributions and neuropeptide characterizations. After successfully validating these MALDI MSI protocols, the methods are applied to characterize both known and unidentified neuropeptides from neural tissues. The methods are further adapted from tissue analysis to be able to perform tandem MS (MS/MS) imaging on neuronal cultures to enable the study of network formation. In addition, MALDI MSI has been carried out over the timecourse of nervous system regeneration in planarian flatworms resulting in the discovery of two novel neuropeptides that may be involved in planarian regeneration. In addition, several bioinformatic tools are developed to predict final neuropeptide structures and associated masses that can be compared to experimental MSI data in order to make assignments of neuropeptide identities. The integration of computational approaches into the experimental design of MALDI MSI has allowed improved instrument automation and enhanced data acquisition and analysis. These tools also make the methods versatile and adaptable to new sample types.

El Papelerito

El Papelerito PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 87

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Peptidomics

Peptidomics PDF Author: Mikhail Soloviev
Publisher: John Wiley & Sons
ISBN: 0470196491
Category : Science
Languages : en
Pages : 432

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Book Description
The definitive guide to peptidomics- a hands-on lab reference The first truly comprehensive book about peptidomics for protein and peptide analysis, this reference provides a detailed description of the hows and whys of peptidomics and how the techniques have evolved. With chapters contributed by leading experts, it covers naturally occurring peptides, peptidomics methods and new developments, and the peptidomics approach to biomarker discovery. Explaining both the principles and the applications, Peptidomics: Methods and Applications: * Features examples of applications in diverse fields, including pharmaceutical science, toxicity biomarkers, and neuroscience * Details the successful peptidomic analyses of biological material ranging from plants to mammals * Describes a cross section of analytical techniques, including traditional methodologies, emerging trends, and new techniques for high throughput approaches An enlightening reference for experienced professionals, this book is sufficiently detailed to serve as a step-by-step guide for beginning researchers and an excellent resource for students taking biotechnology and proteomics courses. It is an invaluable reference for protein chemists and biochemists, professionals and researchers in drug and biopharmaceutical development, analytical and bioanalytical chemists, toxicologists, and others.

Neuropeptide Systems as Targets for Parasite and Pest Control

Neuropeptide Systems as Targets for Parasite and Pest Control PDF Author: Timothy G. Geary
Publisher: Springer Science & Business Media
ISBN: 1441969020
Category : Medical
Languages : en
Pages : 246

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Book Description
The need to continually discover new agents for the control or treatment of invertebrate pests and pathogens is undeniable. Agriculture, both animal and plant, succeeds only to the extent that arthropod and helminth consumers, vectors and pathogens can be kept at bay. Humans and their companion animals are also plagued by invertebrate parasites. The deployment of chemical agents for these purposes inevitably elicits the selection of resistant populations of the targets of control, necessitating a regular introduction of new kinds of molecules. Experience in other areas of chemotherapy has shown that a thorough understanding of the biology of disease is an essential platform upon which to build a discovery program. Unfortunately, investment of research resources into understanding the basic physiology of invertebrates as a strategy to illuminate new molecular targets for pesticide and parasiticide discovery has been scarce, and the pace of introduction of new molecules for these indications has been slowed as a result. An exciting and so far unexploited area to explore in this regard is invertebrate neuropeptide physiology. This book was assembled to focus attention on this promising field by compiling a comprehensive review of recent research on neuropeptides in arthropods and helminths, with contributions from many of the leading laboratories working on these systems.

Brain Peptides

Brain Peptides PDF Author: Dorothy T. Krieger
Publisher: Wiley-Interscience
ISBN:
Category : Medical
Languages : en
Pages : 1054

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Book Description
The first major comprehensive overview of the anatomical, physiological, evolutionary, and embryological aspects of brain peptides, focusing on peptides described in the past decade. Examines the role of peptides in affecting major homeostatic systems. Presents the methodologies applicable to the study of brain peptides. Summarizes current knowledge of individual peptides.

Neuropeptides and Other Bioactive Peptides

Neuropeptides and Other Bioactive Peptides PDF Author: Lloyd D. Fricker
Publisher: Morgan & Claypool Publishers
ISBN: 1615045066
Category : Medical
Languages : en
Pages : 123

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Book Description
Neuropeptides and peptide hormones represent the largest class of chemical messengers that transmit information from one cell to another. In this review, several decades of research on peptides in cell-cell signaling are summarized, with a focus on neuropeptide discovery, biosynthesis, and function. In addition to covering the well-studied aspects of neuropeptides, emerging concepts are discussed, including classical versus non-classical neuropeptides and direct versus indirect neuropeptides. Other potential functions for peptides in intercellular and intracellular signaling are also discussed. Table of Contents: Overview of Neuropeptides / Neuropeptide Discovery / Neuropeptide Biosynthesis / Neuropeptides After Secretion: Receptors and Peptidases / Representative Neuropeptides / Concluding Remarks and Future Directions / References / Author Biography

Neuroproteomics

Neuroproteomics PDF Author: Oscar Alzate
Publisher: CRC Press
ISBN: 1420076264
Category : Medical
Languages : en
Pages : 356

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Book Description
In this, the post-genomic age, our knowledge of biological systems continues to expand and progress. As the research becomes more focused, so too does the data. Genomic research progresses to proteomics and brings us to a deeper understanding of the behavior and function of protein clusters. And now proteomics gives way to neuroproteomics as we beg

Methods in computational genomics

Methods in computational genomics PDF Author: Nathan Olson
Publisher: Frontiers Media SA
ISBN: 2832544231
Category : Science
Languages : en
Pages : 159

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