The Paracellular Channel

The Paracellular Channel
Author: Jianghui Hou
Publsiher: Academic Press
Total Pages: 248
Release: 2018-06-08
Genre: Science
ISBN: 9780128146361

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The Paracellular Channel: Biology, Physiology and Disease serves as the first volume to offer a cohesive and unifying picture of the critical functions of paracellular channels (tight junctions) in different tissues. This new class of ion channel utilizes a completely different mechanism to create ion passage pathways across the cell junction. This volume outlines common principles that govern the organization and regulation of these diverse cellular structures, describes the methodology of study, and highlights the pathophysiologic consequence of abnormal structure and functions of the paracellular channels in human diseases. Coverage includes biochemical, biophysical, structural, physiologic analyses of the paracellular channel, and new technologies for recording and characterization. Offers integrated coverage of all key aspects of the paracellular channel, an understudied field that may hold key insights into some of the most mysterious aspects of physiology Targets different levels of expertise, spanning from graduate students, interns and clinical fellows, to seasoned researchers that study functions, regulation and dysfunctions of different tissue barriers Provides a cohesive and unifying picture that describes the critical functions of paracellular channels (tight junctions) in different tissues

A Laboratory Guide to the Tight Junction

A Laboratory Guide to the Tight Junction
Author: Jianghui Hou
Publsiher: Academic Press
Total Pages: 420
Release: 2020-04-24
Genre: Science
ISBN: 9780128226438

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A Laboratory Guide to the Tight Junction offers broad coverage of the unique methods required to investigate its characteristics. The methods are described in detail, including its biochemical and biophysical principles, step-by-step process, data analysis, troubleshooting, and optimization. The coverage includes various cell, tissue, and animal models. Chapter 1 provides the foundations of cell biology of tight junction. Chapter 2 covers the Biochemical approaches for paracellular channels and is followed by chapter 3 providing the Biophysical approaches. Chapter 4 describes and discusses Histological approaches for tissue fixation and preparation. Chapter 5 discusses Light microscopy, while chapter 6 presents Electron microscopic approaches. Chapter 7 covers Transgenic manipulation in cell cultures, including DNA and siRNA, Mutagenesis, and viral infection. Chapter 8 covers transgenic manipulation in mice, including: Knockout, Knockin, siRNA knockdown, GFP/LacZ reporter, and overexpression. The final chapter discusses the future developments of new approaches for tight junction research. Researchers and advanced students in bioscience working on topics of cell junction, ion channel and membrane protein will benefit from the described methods. Clinicians and pathologists interested in tissue barrier diseases will also benefit from the biochemical and biophysical characterization of tight junctions in organ systems, and their connection to human diseases. Provides consistent and detailed research methods Covers various cell, tissue and animal models Includes step-by-step guidance from beginner to sophisticated levels

Model for the Architecture of Claudin Based Paracellular Ion Channels Through Tight Junctions

Model for the Architecture of Claudin Based Paracellular Ion Channels Through Tight Junctions
Author: Anonim
Publsiher: Unknown
Total Pages: 135
Release: 2015
Genre: Electronic Book
ISBN: OCLC:1052007766

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Calcium Entry Channels in Non Excitable Cells

Calcium Entry Channels in Non Excitable Cells
Author: Juliusz Ashot Kozak,James W. Putney, Jr.
Publsiher: CRC Press
Total Pages: 328
Release: 2017-07-14
Genre: Science
ISBN: 9781498752732

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Calcium Entry Channels in Non-Excitable Cells focuses on methods of investigating the structure and function of non-voltage gated calcium channels. Each chapter presents important discoveries in calcium entry pathways, specifically dealing with the molecular identification of store-operated calcium channels which were reviewed by earlier volumes in the Methods in Signal Transduction series. Crystallographic and pharmacological approaches to the study of calcium channels of epithelial cells are also discussed. Calcium ion is a messenger in most cell types. Whereas voltage gated calcium channels have been studied extensively, the non-voltage gated calcium entry channel genes have only been identified relatively recently. The book will fill this important niche.

Molecular Biology of the Cell

Molecular Biology of the Cell
Author: Bruce Alberts
Publsiher: Unknown
Total Pages: 135
Release: 2004
Genre: Electronic Book
ISBN: 0815332181

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Barriers and Channels Formed by Tight Junction Proteins I

Barriers and Channels Formed by Tight Junction Proteins I
Author: Michael Fromm,Jörg-Dieter Schulzke
Publsiher: Wiley-Blackwell
Total Pages: 252
Release: 2012-06-19
Genre: Science
ISBN: 1573318736

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Tight junctions between epithelial and endothelial cells form selective barriers and paracellular channels and regulate paracellular transport of solutes, immune cells, and drugs. More specifically, tight junctions consist of proteins that laterally interconnect neighboring cells of epithelia and endothelia. Certain proteins seal the tight junction, so that a nearly impermeable barrier develops, whereas others form channels that allow for permeation between the cells. Recent investigations have focused on tight junction proteins, belonging to the claudin family (claudins-1 to -27 in humans) and the newly defined group of TAMP (three proteins: occludin, Marvel-D2, and tricellulin). Barriers and Channels Formed by Tight Junction Proteins I showcases work in this area clustered around three major themes: the molecular properties of tight junctions, for example, the role of the claudin family of proteins and the formation of ion and charge-selective channels; the regulation of tight junction and barrier functions via genetic mechanisms and scaffold protein mediation; and the functional role of the tight junction in various tissues, such as the skin, lungs, endothelia, and nervous system NOTE: Annals volumes are available for sale as individual books or as a journal. For informatio.n on institutional journal subscriptions, please visit http://ordering.onlinelibrary.wiley.com/subs.asp?ref=1749-6632&doi=10.111/(ISSN)1749-6632. ACADEMY MEMBERS: Please contact the New York Academy of Sciences directly to place your order (www.nyas.org). Members of the New York Academy of Science receive full-text access to the Annals online and discounts on print volumes. Please visit http://www.nyas.org/MemberCenter/Join.aspx for more information about becoming a member.

Biological Barriers to Protein Delivery

Biological Barriers to Protein Delivery
Author: Kenneth L. Audus,Thomas J. Raub,T. L. Raub
Publsiher: Springer Science & Business Media
Total Pages: 495
Release: 1993
Genre: Medical
ISBN: 0306443686

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A current and critical review of information regarding peptide and protein transport and metabolism as it relates to delivery of endogenous (physiological ligands) and recombinant proteins to mammalian organs, tissues, and cells. Each chapter emphasizes mechanisms of transport including quantitative evidence and structure/function (cause/effect) relationships. The volume is intended to be a comprehensive, state-of-the-art treatise for use by academic and industrial scientists who either are just beginning or are entrenched in the field of protein drug delivery. Annotation copyright by Book News, Inc., Portland, OR

Introduction to Cellular Biophysics Volume 2

Introduction to Cellular Biophysics  Volume 2
Author: Armin Kargol
Publsiher: Morgan & Claypool Publishers
Total Pages: 106
Release: 2019-12-13
Genre: Science
ISBN: 9781643277561

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All living matter is comprised of cells, small compartments isolated from the environment by a cell membrane and filled with concentrated solutions of various organic and inorganic compounds. Some organisms are single-cell, where all life functions are performed by that cell. Others have groups of cells, or organs, specializing in one particular function. The survival of the entire organism depends on all of its cells and organs fulfilling their roles. While the cells are studied by different sciences, they are seen differently by biologists, chemists, or physicists. Biologists concentrate their attention on cell structure and function. What the cells consists of? Where are its organelles? What function each organelle fulfils? From a chemists’ point of view, a cell is a complex chemical reaction chamber where various molecules are synthesized or degraded. The main question is how these, sometimes very complicated chains of reactions are controlled. Finally, from a physics standpoint, some of the fundamental questions are about the physical movement of all these molecules between organelles within the cell, their exchange with the extracellular medium, as well as electrical phenomena resulting from such transport. The aim of this book is to look into the basic physical phenomena occurring in cells. These physical transport processes facilitate chemical reactions in the cell and various electrical effects, and that in turn leads to biological functions necessary for the cell to satisfy its role in the mother organism. Ultimately, the goals of every cell are to stay alive and to fulfill its function as a part of a larger organ or organism. The first volume of this book is an inventory of physical transport processes occurring in cells while this second volume provides a closer look at how complex biological and physiological cell phenomena result from these very basic physical processes.

The Cerebral Circulation

The Cerebral Circulation
Author: Marilyn J. Cipolla
Publsiher: Biota Publishing
Total Pages: 80
Release: 2016-07-28
Genre: Medical
ISBN: 9781615047239

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This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.

Cell Cell Channels

Cell Cell Channels
Author: František Baluška,Dieter Volkmann,Peter W. Barlow
Publsiher: Springer Science & Business Media
Total Pages: 321
Release: 2007-08-10
Genre: Science
ISBN: 9780387469577

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he biological sciences are dominated by the idea that cells are the functionally autonomous, physically separated, discrete units of life. TThis concept was propounded in the 19th century by discoveries of the cellular structuring of both plants and animals. Moreover, the ap parent autonomy of unicellular eukaryotes, as well as the cellular basis of the mammalian brain (an organ whose anatomy for a long while defied attempts to validate the idea of the cellular nature of its neurons), seemed to provide the final conclusive evidence for the completeness of *cell theory', a theory which has persisted in an almost dogmatic form up to the present day. However, it is very obvious that there are numerous observations which indicate that it is not the cells which serve as the basic units of biological life but that this property falls to some other, subcellular assemblage. To deal with this intricate problem concerning the fundamental unit of living matter, we proposed the so-called Cell Body concept which, in fact, devel ops an exceedingly original idea proposed by Julius Sachs at the end of the 19th century. In the case of eukaryotic cells, DNA-enriched nuclei are intimately associated with a microtubular cytoskeleton. In this configuration—as a Cell Body—these two items comprise the fundamental functional and struc tural unit of eukaryotic living matter. The Cell Body seems to be inherent to all cells in all organisms.

Barriers and Channels Formed by Tight Junction Proteins

Barriers and Channels Formed by Tight Junction Proteins
Author: Anonim
Publsiher: Unknown
Total Pages: 135
Release: 2011
Genre: Electronic Book
ISBN: OCLC:1075781079

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Current Frontiers and Perspectives in Cell Biology

Current Frontiers and Perspectives in Cell Biology
Author: Stevo Najman
Publsiher: BoD – Books on Demand
Total Pages: 576
Release: 2012-04-25
Genre: Science
ISBN: 9789535105442

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A numerous internationally renowned authors in the pages of this book present the views of the fields of cell biology and their own research results or review of current knowledge. Chapters are divided into five sections that are dedicated to cell structures and functions, genetic material, regulatory mechanisms, cellular biomedicine and new methods in cell biology. Multidisciplinary and often quite versatile approach by many authors have imposed restrictions of this classification, so it is certain that many chapters could belong to the other sections of this book. The current frontiers, on the manner in which they described in the book, can be a good inspiration to many readers for further improving, and perspectives which are highlighted can be seen in many areas of fundamental biology, biomedicine, biotechnology and other applications of knowledge of cell biology. The book will be very useful for beginners to gain insight into new area, as well as experts to find new facts and expanding horizons.

International Review of Cytology

International Review of Cytology
Author: Kwang W. Jeon
Publsiher: Elsevier
Total Pages: 320
Release: 2006-02-20
Genre: Science
ISBN: 008047862X

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International Review of Cytology presents current advances and comprehensive reviews in cell biology – both plant and animal. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research. Articles in this volume address new insights into fatty acid modulation of pancreatic beta cell function; drosophila RNA binding proteins; plasticity of pelvic autonomic ganglia and urogenital innervation; vomeronasal vs. olifactory epithelium: cellular basis for human vomeronasal perception; and tight junctions.

Drug Delivery Systems

Drug Delivery Systems
Author: Anonim
Publsiher: Academic Press
Total Pages: 792
Release: 2019-10-23
Genre: Medical
ISBN: 9780128145081

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Drug Delivery Systems examines the current state of the field within pharmaceutical science and concisely explains the history of drug delivery systems, including key developments. The book translates the physicochemical properties of drugs into drug delivery systems administered via various routes, such as oral, parenteral, transdermal and inhalational. Regulatory and product development topics are also explored. Written by experts in the field, this volume in the Advances in Pharmaceutical Product Development and Research series deepens our understanding of drug delivery systems within the pharmaceutical sciences industry and research, as well as in chemical engineering. Each chapter delves into a particular aspect of this fundamental field to cover the principles, methodologies and technologies employed by pharmaceutical scientists. This book provides a comprehensive examination that is suitable for researchers and advanced students working in pharmaceuticals, cosmetics, biotechnologies, and related industries. Provides up-to-date information on how to translate the physicochemical properties of drugs into drug delivery systems Explores how drugs are administered via various routes, such as oral, parenteral, transdermal and inhalational Contains extensive references and further reading for course and self-study

Brenner and Rector s The Kidney E Book

Brenner and Rector s The Kidney E Book
Author: Alan S. L. Yu,Glenn M. Chertow,Valerie Luyckx,Philip A. Marsden,Karl Skorecki,Maarten W. Taal
Publsiher: Elsevier Health Sciences
Total Pages: 2784
Release: 2015-10-25
Genre: Medical
ISBN: 9780323262590

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Overcome the toughest clinical challenges in nephrology with Brenner & Rector’s The Kidney -- the most well-known nephrology resource in the world. A diverse team of more than 200 international contributors brings you the latest knowledge and best practices on every front in nephrology worldwide. From basic science and pathophysiology to clinical best practices, Brenner & Rector’s The Kidney is your go-to resource for any stage of your career. Review of the basic science that underpins clinical nephrology, comprehensive selection of the most important bibliographical sources in nephrology, and Board Review-style questions help you prepare for certification or recertification. Coverage of kidney health and disease from pre-conception through fetal and infant health, childhood, adulthood, and into old age. Expanded sections and chapter on global perspective and ethical considerations. Uniform terminology and nomenclature in line with emerging consensus in world kidney community. More than 700 full-color high-quality photographs as well as carefully chosen figures, algorithms, and tables to illustrate essential concepts, nuances of clinical presentation and technique, and decision making provide a visual grasp and better understanding of critical information. Internationally diverse, trusted guidance and perspectives from a team of well-respected global contributors . An editorial team headed by Dr. Skorecki and handpicked by Dr. Brenner ensures the ongoing adherence to previous standards of excellence. All chapters have been extensively updated or entirely rewritten by authorities in their respective fields. The latest clinical information including recent clinical trials, genetic causes of kidney disease, cardiovascular and renal risk prediction in chronic kidney disease, new paradigms in fluid and electrolyte management, and pediatric kidney disease, keep you current with the rapid development of care and research worldwide.