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Author: Jong Hoon Park
Publisher: Springer
ISBN: 9811020418
Category : Medical
Languages : en
Pages : 128
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Book Description
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a highly prevalent hereditary renal disorder in which fluid-filled cysts are appeared in both kidneys. Main causative genes of ADPKD are PKD1 and PKD2, encoding for polycystin-1 (PC1) and polycystin-2 (PC2) respectively. Those proteins are localized on primary cilia and function as mechanosensor in response to the fluid flow, translating mechanistic stimuli into calcium signaling. With mutations either of PKD1 or PKD2, hyper-activated renal tubular epithelial cell proliferation is observed, followed by disrupted calcium homeostasis and aberrant intracellular cyclic AMP (cAMP) accumulation. Increased cell proliferation with fluid secretion leads to the development of thousands of epithelial-lined, fluid-filled cysts in kidneys. It is also accompanied by interstitial inflammation, fibrosis, and finally reaching end-stage renal disease (ESRD). In human ADPKD, the age at which renal failure typically occurs is later in life, however no specific targeted medications are available to cure ADPKD. Recently, potential therapeutic targets or surrogate diagnostic biomarkers for ADPKD are proposed with the advances in the understanding of ADPKD pathogenesis, and some of them were attempted for clinical trials. Herein, we will summarize genetic and epi-genetic molecular mechanisms in ADPKD progression, and overview the currently available biomarkers or potential therapeutic reagents suggested.
Author: Jong Hoon Park
Publisher: Springer
ISBN: 9811020418
Category : Medical
Languages : en
Pages : 128
Get Book Here
Book Description
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a highly prevalent hereditary renal disorder in which fluid-filled cysts are appeared in both kidneys. Main causative genes of ADPKD are PKD1 and PKD2, encoding for polycystin-1 (PC1) and polycystin-2 (PC2) respectively. Those proteins are localized on primary cilia and function as mechanosensor in response to the fluid flow, translating mechanistic stimuli into calcium signaling. With mutations either of PKD1 or PKD2, hyper-activated renal tubular epithelial cell proliferation is observed, followed by disrupted calcium homeostasis and aberrant intracellular cyclic AMP (cAMP) accumulation. Increased cell proliferation with fluid secretion leads to the development of thousands of epithelial-lined, fluid-filled cysts in kidneys. It is also accompanied by interstitial inflammation, fibrosis, and finally reaching end-stage renal disease (ESRD). In human ADPKD, the age at which renal failure typically occurs is later in life, however no specific targeted medications are available to cure ADPKD. Recently, potential therapeutic targets or surrogate diagnostic biomarkers for ADPKD are proposed with the advances in the understanding of ADPKD pathogenesis, and some of them were attempted for clinical trials. Herein, we will summarize genetic and epi-genetic molecular mechanisms in ADPKD progression, and overview the currently available biomarkers or potential therapeutic reagents suggested.
Author: Annette Nicke
Publisher: Springer Nature
ISBN: 1071623842
Category : Science
Languages : en
Pages : 401
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Book Description
This detailed volume covers diverse aspects of P2X7 receptor analysis, ranging from its molecular structure to related pharmacological and immunological tools, via its analysis in heterologous expression systems as well as assays using primary cells and whole animal models. After three introductory chapters that focus on its structure, ligands, and physiological functions, the book details the generation of antibody and nanobody tools for P2X7 receptors, provides protocols for the analysis of expressed P2X7 receptors with a focus on their electrophysiological analysis, as well as protocols for the investigation of P2X7 down-stream signaling in immune cells by flow cytometry. Mouse models and procedures suited to investigate P2X7-mediated effects in other primary cells and in vivo are also explained. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, The P2X7 Receptor: Methods and Protocols is a valuable reference not only for the growing community fascinated by this unusual ion channel but also for a broad readership interested in ion channels or purinergic receptors.
Author: Jacqueline A. Hubbard
Publisher: Academic Press
ISBN: 0128026243
Category : Medical
Languages : en
Pages : 395
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Book Description
Epilepsy is a devastating group of neurological disorders characterized by periodic and unpredictable seizure activity in the brain. There is a critical need for new drugs and approaches given than at least one-third of all epilepsy patients are not made free of seizures by existing medications and become "medically refractory". Much of epilepsy research has focused on neuronal therapeutic targets, but current antiepileptic drugs often cause severe cognitive, developmental, and behavioral side effects. Recent findings indicate a critical contribution of astrocytes, star-shaped glial cells in the brain, to neuronal and network excitability and seizure activity. Furthermore, many important cellular and molecular changes occur in astrocytes in epileptic tissue in both humans and animal models of epilepsy. The goal of Astrocytes and Epilepsy is to comprehensively review exciting findings linking changes in astrocytes to functional changes responsible for epilepsy for the first time in book format. These insights into astrocyte contribution to seizure susceptibility indicate that astrocytes may represent an important new therapeutic target in the control of epilepsy. Astrocytes and Epilepsy includes background explanatory text on astrocyte morphology and physiology, epilepsy models and syndromes, and evidence from both human tissue studies and animal models linking functional changes in astrocytes to epilepsy. Beautifully labelled diagrams are presented and relevant figures from the literature are reproduced to elucidate key findings and concepts in this rapidly emerging field. Astrocytes and Epilepsy is written for neuroscientists, epilepsy researchers, astrocyte investigators as well as neurologists and other specialists caring for patients with epilepsy. - Presents the first comprehensive book to synthesize historical and recent research on astrocytes and epilepsy into one coherent volume - Provides a great resource on the field of astrocyte biology and astrocyte-neuron interactions - Details potential therapeutic targets, including chapters on gap junctions, water and potassium channels, glutamate and adenosine metabolism, and inflammation
Author: Andrea Nistri
Publisher: Frontiers Media SA
ISBN: 2889194051
Category : Medicine
Languages : en
Pages : 173
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Book Description
Extracellular ATP is currently recognized as one of the most widely distributed neurotransmitters and neuromodulators in the peripheral and central nervous system. ATP-gated P2X receptors are expressed by neurons, glial and many other non-neuronal cells and represent an attractive target for therapeutic interventions. Diverse molecular and cellular mechanisms have been identified for P2X receptor functioning, including the ability to enlarge the size of the ion pore associated with the release of several key immune molecules. A major recent breakthrough was the determination of the X-ray crystal structures of zebrafish P2X4 receptor in ATP-bound and ATP-free states. The P2X receptor research field is rapidly growing, as evidenced by the almost 2000 papers published in the last 5 years. However, despite the fundamental signalling function of extracellular ATP in the nervous system, the widespread roles of P2X receptors have not been widely elucidated and presented in textbooks. In this volume of papers we aim to gather a collection of high quality papers, detailing the latest insights from the most accomplished international P2X receptor researchers. Importantly, basic research into P2X receptors has a strong translational impact and our collection of articles could be a valuable guide for the development of new pharmacological and biotechnological tools addressing the function of P2X receptors. Within this collection we plan to cover receptor structure-function relationships, receptors trafficking, to highlight the special properties of P2X receptors and their pharmacological profiles, and to describe the translational aspects of cellular ATP signaling in pain and in other neurological and vascular diseases.
Author:
Publisher: Academic Press
ISBN: 0128186720
Category : Science
Languages : en
Pages : 554
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Book Description
Tumor Immunology and Immunotherapy – Molecular Methods, Volume 629, the latest release in the Methods in Enzymology series, continues the legacy of this premier serial with quality chapters authored by leaders in the field. Chapters in this release include Droplet digital PCR for measuring circulating tumor-derived DNA, Detection and quantification of cytosolic DNA, Methods to detect endogenous dsRNA induction and recognition, Quantification of eIF2alpha phosphorylation during immunogenic cell death, Assessment of annexin A1 release during immunogenic cell death, Luciferase-assisted detection of extracellular ATP in the course of ICD, The P2X7 receptor: structure and function, and much more. - Contains the authority of authors who are leaders in their field - Provides a comprehensive source on new methods and research in enzymology
Author: Robson Faria
Publisher: BoD – Books on Demand
ISBN: 1789845343
Category : Medical
Languages : en
Pages : 112
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Book Description
This book aims to provide a brief update on the functions of purinergic receptors in various systems, in addition to the signaling pathway activated to mediate these functions. We address the influence of hypoxia by modulating the activity of these receptors under physiological and pathophysiological conditions. Additionally, we describe the mechanisms of induction of pain and inflammation in different systems. Finally, the book discusses some of the main bioinformatics tools currently used to improve or discover new prototypes capable of selectively acting on these receptors with estimated parameters of satisfactory solubility and toxicity for possible commercial implementation.
Author: Luc Maroteaux
Publisher: Springer Nature
ISBN: 3030559203
Category : Medical
Languages : en
Pages : 401
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Book Description
This contributed volume provides a comprehensive assessment of the roles played by 5-HT2B receptors in humans. These receptors have been shown to play an important role is the cardiac, intestinal, and central nervous systems as well as in bone marrow formation and growth. In this book, expert researchers present their findings on molecular and physiological/pathological aspects of 5-HT2B receptors. The molecular section includes a discussion of the genetics of 5-HT2B receptors and impulse control. The physiological section covers their role in many biological systems including the nervous system, the heart, and the lungs.
Author:
Publisher: Academic Press
ISBN: 0123855330
Category : Science
Languages : en
Pages : 558
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Book Description
This is an overview of the fast-moving field of purinergic signalling through adenosine and ATP receptors. - Authors are the leading authorities in their fields - Subject matter is important for understanding tissue protection - Subject matter is of intense interest for new drug development
Author: Bir Bhanu
Publisher: Springer
ISBN: 3319237241
Category : Computers
Languages : en
Pages : 407
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Book Description
The advances of live cell video imaging and high-throughput technologies for functional and chemical genomics provide unprecedented opportunities to understand how biological processes work in subcellularand multicellular systems. The interdisciplinary research field of Video Bioinformatics is defined by BirBhanu as the automated processing, analysis, understanding, data mining, visualization, query-basedretrieval/storage of biological spatiotemporal events/data and knowledge extracted from dynamic imagesand microscopic videos. Video bioinformatics attempts to provide a deeper understanding of continuousand dynamic life processes.Genome sequences alone lack spatial and temporal information, and video imaging of specific moleculesand their spatiotemporal interactions, using a range of imaging methods, are essential to understandhow genomes create cells, how cells constitute organisms, and how errant cells cause disease. The bookexamines interdisciplinary research issues and challenges with examples that deal with organismal dynamics,intercellular and tissue dynamics, intracellular dynamics, protein movement, cell signaling and softwareand databases for video bioinformatics.Topics and Features• Covers a set of biological problems, their significance, live-imaging experiments, theory andcomputational methods, quantifiable experimental results and discussion of results.• Provides automated methods for analyzing mild traumatic brain injury over time, identifying injurydynamics after neonatal hypoxia-ischemia and visualizing cortical tissue changes during seizureactivity as examples of organismal dynamics• Describes techniques for quantifying the dynamics of human embryonic stem cells with examplesof cell detection/segmentation, spreading and other dynamic behaviors which are important forcharacterizing stem cell health• Examines and quantifies dynamic processes in plant and fungal systems such as cell trafficking,growth of pollen tubes in model systems such as Neurospora Crassa and Arabidopsis• Discusses the dynamics of intracellular molecules for DNA repair and the regulation of cofilintransport using video analysis• Discusses software, system and database aspects of video bioinformatics by providing examples of5D cell tracking by FARSIGHT open source toolkit, a survey on available databases and software,biological processes for non-verbal communications and identification and retrieval of moth imagesThis unique text will be of great interest to researchers and graduate students of Electrical Engineering,Computer Science, Bioengineering, Cell Biology, Toxicology, Genetics, Genomics, Bioinformatics, ComputerVision and Pattern Recognition, Medical Image Analysis, and Cell Molecular and Developmental Biology.The large number of example applications will also appeal to application scientists and engineers.Dr. Bir Bhanu is Distinguished Professor of Electrical & C omputer Engineering, Interim Chair of theDepartment of Bioengineering, Cooperative Professor of Computer Science & Engineering, and MechanicalEngineering and the Director of the Center for Research in Intelligent Systems, at the University of California,Riverside, California, USA.Dr. Prue Talbot is Professor of Cell Biology & Neuroscience and Director of the Stem Cell Center and Core atthe University of California Riverside, California, USA.
Author: Jonathan Soboloff
Publisher: CRC Press
ISBN: 149870509X
Category : Medical
Languages : en
Pages : 258
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Book Description
T cells play a vital role mediating adaptive immunity, a specific acquired resistance to an infectious agent produced by the introduction of an antigen. There are a variety of T cell types with different functions. They are called T cells, because they are derived from the thymus gland. This volume discusses how T cells are regulated through the operation of signaling mechanisms. Topics covered include positive and negative selection, early events in T cell receptor engagement, and various T cell subsets.
