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9780128111147: Cell Physiology Sourcebook (Advanced Topics in Biomaterials)

Sinopsis

Cell Physiology Source Book, Fifth Edition covers a broad range of topics in cell physiology. The book discusses research areas that have become active since the last edition (e.g., aquaporins, apicoplast and other organelles) and broadens its scope to include chronobiology, expansion of receptor/sensory physiology, endocrinology, and other topics such as quorum sensing and taxis. As methods or approaches on performing experiments appear to be very valuable parts of books to which readers tend to frequently refer, expansion of these types of chapters and/or appendices are included in this edition. Applicable to scientists, researchers, postdocs and graduate students across physiological, biochemical, biological and biomedical backgrounds, cell physiology is important for understanding larger organisms and potential advances in biomedicine.

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Acerca de los autores

Research Interests Research in his laboratory focuses on the molecular and cellular physiology of carrier protein molecules that actively transport chloride ions (Cl-) across the plasma membrane of neurons and epithelial cells. Specifically, they study some members of the cation-coupled-chloride contransporter gene/protein family SLC12A: the Na+, K+, 2 Cl- cotransporters (NKCC1 and NKCC2) and the K+-Cl- cotransporters (KCC1, 2, 3 and 4). These carrier proteins play key roles in: intracellular Cl- homeostasis in neurons, GABA- and glycine-mediated synaptic signaling, neuronal development, sensory transduction including nociception, transepithelial salt transport, cell water volume control, and extracellular K+ scavenging. Not surprisingly, altered function of these proteins underlies several pathologies and hence they have become significant targets for therapeutic interventions and translational research. To study the function of these proteins we use state-of-the-art live-cell imaging microscopy and fluorescent probes for measuring and manipulating intracellular ions and water in dissociated neurons and epithelial cells. Some of these optical methods have been developed in their lab, and are used in conjunction with molecular methods, knockout models, and several microanatomical techniques. Their current research involves two projects: Mechanisms regulating intracellular chloride in primary afferent neurons and their impact on GABA-mediated presynaptic inhibition and sensory transduction. This project aims at understanding the molecular mechanisms that determine intracellular Cl- concentration in primary afferent neurons, their regulation, and the role they play in presynaptic inhibition, acute somatic pain, neurogenic inflammation and proprioception. Roles of cation-coupled-chloride contransporters of choroid plexus epithelial cells in the regulation of cerebrospinal fluid ion composition. The choroid plexus epithelial cells (CPECs) form the blood-cerebrospinal fluid (CSF) barrier. CPECs secrete CSF and regulate its electrolyte composition. Regulation of CSF ion levels is fundamental for maintaining normal brain function. The overarching goal of this project is to understand how NKCC1, KCCs and aquaporins control the ion composition of the cerebrospinal fluid. Current emphasis is on the molecular and cellular mechanisms used by CPECs to regulate and maintain the CSF K+ concentration, a fundamental problem of broad physiological significance. CSF composition has a major impact on the fluid microenvironment of neurons and glial cells, and vice versa. Extracellular K+ homeostasis is critical for normal brain function; small changes in extracellular K+ profoundly affect neuronal excitability and osmotic water balance of glial cells and neurons.

Dr. Eric Delpire teaches at the Vanderbilt University, Nashville, USA

De la contraportada

Applicable to scientists, researchers, postdocs, and graduate students across physiological, biochemical, biological and biomedical backgrounds, cell physiology is important for understanding larger organisms and potential advances in biomedicine. Identifying the normal patterns in the cell allows researchers to further identify malfunctions that lead to disease. Studies in cell physiology are also now targeting human conditions including, ischemic heart disease, ageing, neurodegenerative diseases, diabetes, blood clotting and stroke.The fifth edition edition contains a broader range of topics in cell physiology. Some new topics include research areas that have become active since the last edition (e.g., aquaporins, apicoplast and other organelles) and broadened to include chronobiology, expansion of receptor/sensory physiology, endocrinology, and other topics such as quorum sensing and taxis. As methods or approaches on performing experiments appear to be very valuable parts of books to which readers tend to frequently refer, expansion of these types of chapters and/or appendices are included in this edition.

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