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The Mechanism On Development And Regeneration Of Inner Ear Hair Cells
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Book Synopsis The Mechanism on Development and Regeneration of Inner Ear Hair Cells by : Dongdong Ren
Download or read book The Mechanism on Development and Regeneration of Inner Ear Hair Cells written by Dongdong Ren and published by Frontiers Media SA. This book was released on 2022-09-20 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hair Cell Regeneration, Repair, and Protection by : Richard J. Salvi
Download or read book Hair Cell Regeneration, Repair, and Protection written by Richard J. Salvi and published by Springer Science & Business Media. This book was released on 2008-03-15 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Not male pattern baldness, but the loss of sensory hair, is a very serious topic. Sensory hair cells convert sound and motion into our sense of hearing, movement, and head position. In mammals, the loss of hair cells is irreversible. Or is it? Hair cells in other vertebrates are capable of regenerating and recovering partial or complete function. This book provides a comprehensive survey of the regeneration of sensory hair cells.
Book Synopsis Hair Cell Regeneration by : Mark E. Warchol
Download or read book Hair Cell Regeneration written by Mark E. Warchol and published by Springer Nature. This book was released on 2023-04-27 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a detailed update on progress in the field of hair cell regeneration. This topic is of considerable interest to academicians, clinicians, and commercial entities, including students of auditory and vestibular neuroscience, audiologists, otologists, and industry, all of whom may have interest in hair cell regeneration as a potential future therapy for hearing and balance dysfunction. In 2008, Springer published a SHAR volume on this subject (Hair Cell Regeneration, Repair, and Protection, Editors Richard Salvi and Richard Fay). Since that time, there has been considerable advancement in this field.This book provides a historical perspective on the field, but the emphasis is on more "prospective" views of the various facets of regeneration research, in the hope that the volume will stimulate new projects and approaches, focusing on the limitations of current knowledge and describing promising strategies for future work. The book will include the following key features of hair cell regeneration: • Cellular and molecular control hair cell regeneration in non-mammalian species (in particular zebrafish and chickens) • Our current understanding of the capacity for hair cell replacement in mammals (rodents and humans). • Signals controlling pro-regenerative behaviors in supporting cells, the hair cell progenitors. • New techniques that have been applied to study the genetic and epigenetic regulation of hair cell regeneration in mammals and non-mammals. • Contributions of stem cells toward building new tools to explore how hair cell regeneration is controlled and toward developing cells and tissue for therapeutic transplantation. • Studies that have applied gene and drug therapy to promote regeneration in mammals.
Book Synopsis Development of the Inner Ear by : Matthew Kelley
Download or read book Development of the Inner Ear written by Matthew Kelley and published by Springer Science & Business Media. This book was released on 2006-03-04 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Springer Handbook of Auditory Research presents a series of compreh- sive and synthetic reviews of the fundamental topics in modern auditory - search. The volumes are aimed at all individuals with interests in hearing research including advanced graduate students, postdoctoral researchers, and clinical investigators. The volumes are intended to introduce new investigators to important aspects of hearing science and to help established investigators to betterunderstandthefundamentaltheoriesanddatain?eldsofhearingthatthey may not normally follow closely. Each volume presents a particular topic comprehensively, and each servesas a synthetic overview and guide to the literature. As such, the chapters present neither exhaustive data reviews nor original research that has not yet appeared in peer-reviewed journals. The volumes focus on topics that have developed a solid data and conceptual foundation rather than on those for which a literature is only beginning to develop. New research areas will be covered on a timely basis in the series as they begin to mature. Eachvolumeintheseriesconsistsofafewsubstantialchaptersonaparticular topic. In some cases, the topics will be ones of traditional interest for which there is a substantial body of data and theory, such as auditory neuroanatomy (Vol. 1) and neurophysiology (Vol. 2). Other volumes in the series deal with topics that have begun to mature more recently, suchasdevelopment,plasticity, and computational models of neural processing. In many cases, the series - itorsarejoinedbyaco-editorhavingspecialexpertiseinthetopicofthevolume.
Book Synopsis Sensory Hair Cell Death and Regeneration by : Michael E. Smith
Download or read book Sensory Hair Cell Death and Regeneration written by Michael E. Smith and published by Frontiers Media SA. This book was released on 2016-12-13 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensory hair cells are the specialized mechanosensory receptors found in vertebrate auditory, vestibular, and lateral line organs that transduce vibratory and acoustic stimuli into the sensations of hearing and balance. Hair cells can be damaged due to such factors as aging, ototoxic chemicals, acoustic trauma, infection, or genetic factors. Loss of these hair cells lead to deficits in hearing and balance, and in mammals, such deficits are permanent. In contrast, non-mammalian vertebrates exhibit the capability to regenerate missing hair cells. Researchers have been examining the process of hair cell death and regeneration in animal models in an attempt to find ways of either preventing hair cell loss or stimulating the production of new hair cells in mammals, with the ultimate goal of finding new therapeutics for human sensorineural hearing and balance deficits. This has led to a wide array of research on sensory hair cells- such as understanding the factors that cause hair cell loss and finding agents that protect them from damage, elucidating the cell signaling pathways activated during hair cell death, examining the genes and cellular pathways that are regulated during the process of hair cell death and regeneration, and characterizing the functional sensory loss and recovery following acoustic or ototoxic insults to the inner ear. This research has involved cell and developmental biologists, physiologists, geneticists, bioinformaticians, and otolaryngologists. In this Research Topic, we have collated reviews of the past progress of hair cell death and regeneration studies and original research articles advancing sensory hair cell death and regeneration research into the future.
Book Synopsis Development of Auditory and Vestibular Systems by : Raymond Romand
Download or read book Development of Auditory and Vestibular Systems written by Raymond Romand and published by Academic Press. This book was released on 2014-05-23 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: Development of Auditory and Vestibular Systems fourth edition presents a global and synthetic view of the main aspects of the development of the stato-acoustic system. Unique to this volume is the joint discussion of two sensory systems that, although close at the embryological stage, present divergences during development and later reveal conspicuous functional differences at the adult stage. This work covers the development of auditory receptors up to the central auditory system from several animal models, including humans. Coverage of the vestibular system, spanning amphibians to effects of altered gravity during development in different species, offers examples of the diversity and complexity of life at all levels, from genes through anatomical form and function to, ultimately, behavior. The new edition of Development of Auditory and Vestibular Systems will continue to be an indispensable resource for beginning scientists in this area and experienced researchers alike. Full-color figures illustrate the development of the stato-acoustic system pathway Covers a broad range of species, from drosophila to humans, demonstrating the diversity of morphological development despite similarities in molecular processes involved at the cellular level Discusses a variety of approaches, from genetic-molecular biology to psychophysics, enabling the investigation of ontogenesis and functional development
Book Synopsis Hair Cell Regeneration in the Crista of the Mouse Vestibular System by : Amber D. Slowik
Download or read book Hair Cell Regeneration in the Crista of the Mouse Vestibular System written by Amber D. Slowik and published by . This book was released on 2015 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sensory modalities of hearing and balance are mediated by the six sensory organs of the inner ear that are each comprised of the same two main cell types, support cells and mechanosensory hair cells. Loss of the sensory hair cells from these organs causes permanent hearing loss and/or balance disorders, as there is currently no therapeutic treatment for hair cell loss. In developing organs, hair cells can be generated through the transdifferentiation of support cells caused by inhibition of the Notch signaling pathway, which is normally required to determine and maintain the precise ratio of hair cells and support cells through lateral inhibition. Although the efficacy of this method declines as the organs mature and Notch signaling is downregulated, previous research has shown that the Notch downstream effector, Hes5, is present in the adult cristae, suggesting that Notch signaling may be active and that the cristae of the adult mouse may retain some regenerative ability. In this dissertation, I tested this hypothesis and showed that Notch signaling is active in the peripheral region of the adult cristae and, using hair cell counts and lineage tracing, that supernumerary hair cells can be generated through inhibition of Notch signaling in vitro. Further, through an analysis of the spatial distribution of hair cell birth in the developing cristae, I showed that there is a correlation between the regions that maintain regenerative competence in the adult and the last regions to exit the cell cycle. In addition, to aid future regenerative studies, I identified a new support cell marker that can be used to lineage trace support cells and have used this marker to characterize spontaneous hair cell regeneration in the adult cristae in vivo. I also created standard protocols for lesioning hair cells in vivo in two common mouse strains using the known ototoxin 3,3'--Iminodipropionitrile (IDPN) and for quantifiably assaying vestibular behavior in mice with varying degrees of hair cell lesion. Together, this work establishes the previously uncharacterized mouse cristae as an additional model for studying the mechanisms of hair cell regeneration and provides some of the tools necessary for future studies. Supplemental Movie 1.1 The inner ear contains six distinct sensory organs: The cochlea, utricle, saccule, posterior cristae, horizontal cristae, and anterior cristae. These organs be seen in an intact E15.5 inner ear labeled for the sensory regions with Sox2 (white) and in a color coded model of the position of the Sox2-labeled sensory organs created by 3-dimensionally rendering tracings of the Sox2 regions in the individual confocal slices. Supplemental Movie 2.1 Cristae are highly three-dimensional, composed of two saddle-shaped hemicristae separated by the eminentia cruciatum. Sox9 (red) labels support cells as well as non-sensory cells in the eminentia cruciatum and throughout the ampulla and semicircular canals. Gfi1 (white) labels all hair cells in the sensory epithelium. Hes5-GFP is expressed in a subset of support cells in the Calretinin-negative peripheral zone. Note that while the overall structure of the sensory epithelium was preserved, the normally dome-like Sox9+ ampulla flattened onto the sensory epithelium. Dimensions in [unknown scientific symbol]m (w x h x d) - 544.9 x 272.5 x 75.5. Supplemental Movie 2.2 An example of a lineage traced transitional cell from the mTmG mouse (see Figure7B-B"). The GFP+ cell expressed Gfi1, but had an elongated body similar to a support cell. The nucleus was lifting off of the basement membrane and the apical part of the cell had an unusual appearance unlike a normal hair cell or support cell. There was also another GFP+ support cell that spans the sensory epithelium as well as several non-sensory cells in view. Dimensions in [unknown scientific symbol]m (w x h x d) - 36.4 x 61.2 x 6.9. Supplemental Movie 2.3 An example of a lineage traced transitional cell from the mTmG mouse (see Fig. 7CC"). The GFP+ cell expresses Gfi1 and overall has a normal appearance for a hair cell, except for a thin foot-like projection that extends to the basement membrane. Also in view are two support cells, one of which is directly next to the hair cell. Dimensions in [unknown scientific symbol]m (w x h x d) - 43.3 x 52.6 x 13.0. Supplemental Movie 2.4 An example of a lineage traced hair cell with a kinocilium from the mTmG mouse (see Fig. 7D-D"). The GFP+ cell expressed Gfi1 (red) and had a flask shape with a rounded bottom and a thin neck. A long kinocilium extended up from the apical surface. Nuclei are labeled with Hoechst 33342 (white) and had prominent nucleoli at this fluorescent intensity. Also in view were a couple of GFP+ support cells and a non-sensory cell. Dimensions in [unknown scientific symbol]m (w x h x d) - 28.7 x 64.2 x 13.5.
Book Synopsis Development of Auditory and Vestibular Systems-3: Molecular Development of the Inner Ear by : Raymond Romand
Download or read book Development of Auditory and Vestibular Systems-3: Molecular Development of the Inner Ear written by Raymond Romand and published by Academic Press. This book was released on 2003-12-10 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thanks to advances in genetics and genomics, research on inner ear development has flourished. Better approaches and experimental models have shed light on the function of a variety of vertebrate genes and their related proteins. This latest volume of Current Topics in Developmental Biology delves into this new research to show how the discovery of more genes involved in the development of the inner ear leads to the generation of new models that examine a wealth of issues -- from the origins of human deafness to the roles of genes during inner ear induction, development and differentiation. The wide variety of experimental approaches will help readers to understand the broad range of issues related to inner ear morphogenesis and other concepts from complementary areas of investigation. This state-of-the-art overview will be essential reading for researchers, clinicians and students alike. * Scores of high-quality, full- color figures * Detailed schemes on the structure and timing of ear development * Current Topics in Developmental Biology is the longest-running forum for contemporary issues in developmental biology
Book Synopsis Regenerative Medicine for the Inner Ear by : Juichi Ito
Download or read book Regenerative Medicine for the Inner Ear written by Juichi Ito and published by Springer. This book was released on 2014-08-05 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research described in this book represents important steps toward understanding the development of inner ear medicine and new perspectives in regenerative medicine, including efficacy in cochlear implants and various other treatments. The book depicts the mechanisms that underlie inner ear diseases, their experimental models, and proposals for new strategies to treat their symptoms. As well, the exciting future prospects for dealing with the very common problem of inner ear diseases are explained. These disorders occur among many people and include sensorineural hearing loss (SNHL), sudden deafness, senile deafness, noise-induced deafness, tinnitus, dizziness–vertigo, and Ménière’s disease. In Japan alone, there are more than 6 million deaf patients including those with middle-range deafness. There is currently no effective treatment, and regardless of the underlying cause, the damage has been considered irreversible. However, the results of recent research show that these patients actually can recover. The study of hair cells, spiral ganglion neurons, and stem cells for inner ear diseases such as SNHL, tinnitus, dizziness, and vertigo is at the forefront of regenerative medicine and may provide solutions to some of these problems. The information presented here makes this book a valuable professional reference work for all doctors and researchers in the field of otolaryngology who focus on regenerative treatments for inner ear diseases.
Book Synopsis Auditory System Plasticity and Regeneration by : Richard Salvi
Download or read book Auditory System Plasticity and Regeneration written by Richard Salvi and published by Thieme. This book was released on 1996 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributions from leading international specialists critically document the rapid and substantive progress achieved in understanding plasticity and regeneration of the adult auditory system. Articles synthesize what is currently known about the principles and mechanisms of hair cell regeneration and identify future research directions in this challenging area of hearing science.
Book Synopsis Cochlear Neuron and Ribbon Synapse: Development, Degeneration, Repair and Regeneration by : Tejbeer Kaur
Download or read book Cochlear Neuron and Ribbon Synapse: Development, Degeneration, Repair and Regeneration written by Tejbeer Kaur and published by Frontiers Media SA. This book was released on 2022-11-02 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Role of Fat2 and Fat3 Cadeherins on Hair Cell Development and Planar Cell Polarity in the Zebrafish Lateral Line by : Philippine E Alba
Download or read book The Role of Fat2 and Fat3 Cadeherins on Hair Cell Development and Planar Cell Polarity in the Zebrafish Lateral Line written by Philippine E Alba and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanosensory hair cells in the inner ear are responsible for converting the physical vibrations of sound waves into electrical signals which the brain can then interpret. Damage to these cells can result in loss of hearing and balance. While hair cells in mammals lose their ability to regenerate, some non-mammalian vertebrates are able to generate fully functioning hair cells following death or damage throughout their entire life span; one such species is the zebrafish (Danio rerio) whose hair cells are stereotypically organized along the lateral line in sensory clusters called neuromasts. Understanding the molecular mechanisms underlying hair cell regeneration is necessary in order to explore potential treatments for hearing loss caused by damage to these mechanosensory cells. Past studies have found that the Fat family of proteins may play a role in both planar cell polarity (PCP) and epithelial cell division and are therefore suitable candidates for exploring potential roles in regeneration. This study aimed to replicate the immunohistochemical and MO assays done in the past for Fat2 and Fat3 cadherins, looking for effects on hair cell development and PCP. I compared hair cell counts and planar polarity in 4 conditions: control (phenol red), Fat3 with P53, Fat2 with P53, Fat3, Fat2 and P53 knock-downs. Results found significant effects of all 3 knockdown conditions on hair cells counts when compared to controls but yield no differences between knockdown groups. These results suggests that Fat2 and Fat3 are employed in the same pathway regulating hair cell development. Assays exploring PCP yielding inconclusive results.
Download or read book GM3 Signaling written by Cheorl-Ho Kim and published by Springer Nature. This book was released on 2020-07-10 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews recent progress in understanding of the signaling and biochemistry of GM3 ganglioside in eukaryotic cells. GM3 is the simplest of the gangliosides and the precursor of other gangliosides. It is expressed in the outer leaflet of plasma cell membranes and has roles in the recognition, interaction, binding, adhesion, and motility of cells. In addition, GM3 has been documented to have functional roles in cell migration, proliferation, senescence, and apoptosis. The full range of topics of interest are addressed in the book. The early chapters discuss the synthesis of GM3, its molecular localization in cells, and its basic function as an interacting molecule. The ways in which GM3 exerts its effects via various growth factor receptors are fully explored. Current knowledge of the part played by GM3 in health and disease is discussed in depth. For example, its roles in preventing inflammation, inhibiting tumor angiogenesis and tumor growth, and suppressing arthritis are highlighted, and attention drawn to the significance of GM3 as a driver of impaired wound healing in diabetics. The book will be of interest to all who want a comprehensive update on research in this field.
Download or read book Renewal of Life! written by Avis Simmonds and published by Xlibris Corporation. This book was released on 2018-12-29 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concept of this book, Renewal of Life!, was thought of as I traveled around and observed how life is renewed in so many forms. One is not only revived or renewed from an unconscious state, but as one will see from the variety of pictures, life in any form is being renewed. For example, I have seen a flower blooming from a limb of the tree that is obviously dormant, or in forest-ecology terms, a snag. That scene moved my thoughts even more about how awesome life is and that I must share my findings. Therefore, we must take time out of our busy, hectic lifestyle and find the renewals of our own lives, observing the many facets of this life. By so doing, our inner souls will become renewed about this precious life we have.
Book Synopsis Regeneration of Vertebrate Sensory Receptor Cells by : Gregory R. Bock
Download or read book Regeneration of Vertebrate Sensory Receptor Cells written by Gregory R. Bock and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: An international group of leading investigators discuss recent progress of sensory structures in lower and higher vertebrates. Experts in two relevant fields--the cell cycle and mitogenic growth factors--present insightful contributions in the search for precursors and/or stem cells in each sense organ plus the signals which regulate those precursors' differentiation both in normal development and regeneration.
Book Synopsis Developmental, Physiological, and Functional Neurobiology of the Inner Ear by : Andrew K. Groves
Download or read book Developmental, Physiological, and Functional Neurobiology of the Inner Ear written by Andrew K. Groves and published by Humana. This book was released on 2022-01-04 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume explores the latest techniques in inner ear development, analysis of its sensory cells, and characterization and manipulation of the central auditory and vestibular pathways. The chapters in this book cover topics such as dissection and imaging of the cochlea; behavioral evaluation of animal models of diseases like tinnitus; hair cell function and regeneration; and recent advances in sequencing technology. In the Neuromethods series style, chapters include the kind of detail and key advice from the specialists needed to get successful results in your laboratory. Cutting-edge and comprehensive, Developmental, Physiological, and Function Neurobiology of the Inner Ear is a valuable resource for scientists and researchers interested in learning more about this developing field.
Book Synopsis Hair Cells: Regeneration, Repair and Death by : Jacob Evans
Download or read book Hair Cells: Regeneration, Repair and Death written by Jacob Evans and published by States Academic Press. This book was released on 2021-11-16 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sensory receptors which belong to the vestibular and auditory systems of vertebrates are termed as hair cells. They are present within the ears. These cells are able to detect movement around them through mechanotransduction. In mammals, hair cells are located in the cochlea of the inner ear. These cells can be categorized into two types, the inner and outer hair cells. They are functionally and anatomically different from each other. The inner hair cells are responsible for converting the sound vibrations in the fluids of the cochlea into electrical signals which are then conveyed to the brain. They are unable to regenerate. Therefore, any injury or damage to them is permanent and can lead to a decrease in hearing sensitivity. This book covers in detail some existent theories and innovative concepts revolving around the regeneration, repair and death of hair cells. Its aim is to present researches that have transformed this discipline and aided its advancement. This book will help the readers in keeping pace with the rapid changes in this field.
