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Telomerase And Non Telomerase Mechanisms Of Telomere Maintenance
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Book Synopsis Telomerase and non-Telomerase Mechanisms of Telomere Maintenance by : Tammy A. Morrish
Download or read book Telomerase and non-Telomerase Mechanisms of Telomere Maintenance written by Tammy A. Morrish and published by BoD – Books on Demand. This book was released on 2020-04-01 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, Telomerase and non-Telomerase Mechanisms of Telomere Maintenance, is a collection of reviewed and relevant research chapters, offering a comprehensive overview of recent developments in the field of biochemistry, genetics, and molecular biology. The book comprises single chapters authored by various researchers and edited by an expert active in the molecular biology research area. All chapters are individually complete but united under a common research topic. This publication aims to provide a thorough overview of the latest research efforts by international authors on biochemistry, genetics,and molecular biology, and open new possible research paths for further novel developments. A note from the publisher: It is with great sadness and regret that we inform the contributing authors and readers of this book that the Editor, Dr Tammy A. Morrish, passed away during the publishing process of the book and before having a chance to see its publication. The book Telomerase and non-Telomerase Mechanisms of Telomere Maintenance was her first edited volume with us. Fruitful collaboration continued until her final days. We would like to acknowledge Dr Morrish's contribution to scientific publishing, which she made during years of dedicated work, and express our gratitude for her pleasant cooperation with us.
Book Synopsis Telomeres and Telomerase by : Predrag Slijepcevic
Download or read book Telomeres and Telomerase written by Predrag Slijepcevic and published by S. Karger AG (Switzerland). This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomeres are essential functional elements of eukaryotic chromosomes. Their fundamental biological role as protectors of chromosome stability was identified for the first time in the 1930s by Hermann Muller and Barbara McClintock based on pioneering cytological experiments. Modern molecular research carried out more recently revealed that telomeres and telomerase play important roles in processes such as carcinogenesis and cellular senescence. This special issue presents the most recent developments in this highly active field of research. It is becoming increasingly clear that molecular pathways involved in regulation of telomere length and structure are functionally linked with pathways involved in DNA damage response, cellular stress response, chromatin organization and perhaps even pathways that regulate evolutionary chromosome rearrangements. The above functional link is explored by the leading experts in the field of telomere biology. Cell biologists, molecular biologists, oncologists, gerontologists, and radiobiologists with an interest in the role of telomeres/telomerase will appreciate the up-to-date information in this publication.
Book Synopsis Telomeres and Telomerase in Cancer by : Keiko Hiyama
Download or read book Telomeres and Telomerase in Cancer written by Keiko Hiyama and published by Springer Science & Business Media. This book was released on 2009-03-18 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomerase, an enzyme that maintains telomeres and endows eukaryotic cells with immortality, was first discovered in tetrahymena in 1985. In 1990s, it was proven that this enzyme also plays a key role in the infinite proliferation of human cancer cells. Now telomere and telomerase are widely accepted as important factors involved in cancer biology, and as promising diagnostic tools and therapeutic targets. Recently, role of telomerase in “cancer stem cells” has become another attractive story. Until now, there are several good books on telomere and telomerase focusing on biology in ciliates, yeasts, and mouse or basic sciences in human, providing basic scientists or students with updated knowledge.
Book Synopsis Telomeres and Telomerase by : Derek J. Chadwick
Download or read book Telomeres and Telomerase written by Derek J. Chadwick and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomeres and Telomerase Chairman: Sydney Brenner, 1997 Telomeres are the protective genetic elements located at the ends of chromosomes and are essential for correct chromosomal structure and function. They are not fully replicated by the conventional DNA polymerase system because DNA synthesis occurs only in the 5' to 3' direction and requires an RNA primer for initiation. Consequently, cells require a special enzyme to maintain the telomeric ends of chromosomes during each round of replication. This enzyme, telomerase, is a ribonucleoprotein that extends chromosome ends by adding short stretches of nucleotide repeats using a portion of its integral RNA component as the template. Recently, much excitement has been generated by the suggestion that telomerase, or rather the absence of telomerase and the resultant loss of terminal DNA, is a cause of human ageing. The evidence for this is twofold: the telomeres of certain cells in culture shorten during their lifespan; and immortalization of cells is associated, at least in some cases, with the maintenance of telomeres and telomerase activity. The latter observation prompted the analysis of clinical samples from patients with cancer and the demonstration that, in contrast to normal somatic cells, malignant cells possess telomerase activity. This is a unique book. Not only does it contain the latest experimental results from an international group of experts, but it also includes critical examinations of the current evidence, and discussions that attempt to identify the central and underlying concepts of this rapidly expanding field.
Book Synopsis Telomeres and Telomerase by : John A. Double
Download or read book Telomeres and Telomerase written by John A. Double and published by Springer Science & Business Media. This book was released on 2008-02-02 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental problem that dividing cells have to ov- come is that of end-replication. Chromosomes shorten by many bases during DNA replication and so this presents a major hurdle that a cell has to overcome both to enable it to proliferate and for the larger organism to survive and reproduce. The enzyme telomerase provides a mechanism to ensure chromosome stability in both normal and neoplastic cells. The demonstration of telomerase expression in a majority of tumors and the realization of the potential role of telomerase in aging has opened up the potential for telomerase to be used as a target for therapeutic intervention. There is therefore great interest in the expression and activity of telomerase in a wide range of biological disciplines. Telomeres and Telomerase: Methods and Protocols has been produced as a tool for the many researchers in different areas of cell biology who are interested in following research in the area of telomerase and telomere maintenance, either in the area of fundamental mec- nisms or perhaps in the area of more applied drug discovery work.
Download or read book Telomere written by Marcelo Larramendy and published by BoD – Books on Demand. This book was released on 2016-11-23 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, Telomere - A Complex End of a Chromosome, is organized into nine chapters containing the latest aspects of the current knowledge about the structure of telomeres and the crucial role that telomerase plays not only in maintaining chromosomal stability but also in relation to cell immortality, cell instability, and cancer biology. We now appreciate that these unusual complexes of DNA and proteins we all know as "telomeres" are dynamic and key structures that depend on telomerase and other cellular factors for continuance. Regulation of telomere activity is a dynamic area of current research, and new insights into telomeres and their role in aging and cancer, among other biological functions and pathologies, appear regularly in the scientific world. However, one fact is more than understandable in this difficult biological conundrum: the end of the telomere story is far from being totally unraveled.
Download or read book Neuroblastoma written by Chandrika Gowda and published by BoD – Books on Demand. This book was released on 2017-10-25 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neuroblastoma (NBL) is the most common extracranial solid tumor of childhood, with about 700 new cases of neuroblastoma seen each year in the United States. The 5-year survival rate for children with high-risk NBL is only 50-60%, and this survival rate has not improved over the last 10 years. High-risk patients receive multimodality treatment, including chemotherapy, surgery, radiation therapy, biologic therapy and immunotherapy, all of which are associated with significant morbidity. Recent years have seen many advances in treatment of neuroblastoma, including therapeutic MIBG, immunotherapy, and personalized targeted therapy based on the genetic alterations seen in the tumor. The primary objective of this book is to provide the readers with a comprehensive review of neuroblastoma, from clinical aspects and the currently available treatment to recent advancements and future directions in the field of NBL treatment. The topics and chapters have been compiled keeping in mind a diverse group of readers in different areas of specialty such as pediatric oncology, surgery, radiation oncology, and immunology, as well as physician scientists and basic researchers working in the field of neuroblastoma.
Book Synopsis The International Research Fellowship Program by :
Download or read book The International Research Fellowship Program written by and published by . This book was released on 1984 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Telomeres, Diet and Human Disease by : Amelia Marti
Download or read book Telomeres, Diet and Human Disease written by Amelia Marti and published by CRC Press. This book was released on 2017-08-30 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: The maintenance of telomeres—repetitive sequences at the end of chromosome—is essential to health. Dysfunction in telomere maintenance pathways plays a role in aging, cancer, atherosclerosis and other diseases. This has led to telomere maintenance as a prime target for patient therapies. This book describes the advances in telomere research as it applies to human health and especially how lifestyle and dietary factors could modify the telomerase maintenance process. The book examines the mechanisms involved, the primary of which are oxidative stress and the role of sirtuins, and how they can be modified by dietary patterns such as Mediterranean diet.
Book Synopsis Origin and Evolution of Telomeres by : Jozef Nosek
Download or read book Origin and Evolution of Telomeres written by Jozef Nosek and published by CRC Press. This book was released on 2008-05-26 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Linear chromosomes represent an evolutionary innovation associated with the origin of eukaryotic cells. This book describes how linear chromosomes and primordial pathways for maintaining their terminal structures, telomeres, emerged in early eukaryotes.Telomeres, derived from the Greek meaning terminal part, were first described by Hermann Muller i
Book Synopsis Telomeres and Telomerase in Aging, Disease, and Cancer by : K. Lenhard Rudolph
Download or read book Telomeres and Telomerase in Aging, Disease, and Cancer written by K. Lenhard Rudolph and published by Springer Science & Business Media. This book was released on 2007-11-07 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telomere shortening represents one of the basic aspects of ageing and telomere dysfunction could contribute to the accumulation of DNA damage during ageing. This book summarizes evidence and data indicating that telomere dysfunction influences human ageing, diseases and cancer. The book describes our current knowledge on checkpoints that limit cellular lifespan and survival in response to telomere dysfunction. There is special focus on adult stem cells.
Download or read book Telomerases written by Neal F. Lue and published by John Wiley & Sons. This book was released on 2012-05-22 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive and up-to-date review and evaluation of the contemporary status of telomerase research. Chapters in this volume cover the basic structure, mechanisms, and diversity of the essential and regulatory subunits of telomerase. Other topics include telomerase biogenesis, transcriptional and post-translational regulation, off-telomere functions of telomerase and the role of telomerase in cellular senescence, aging and cancer. Its relationship to retrotransposons, a class of mobile genetic elements that shares similarities with telomerase and serves as telomeres in selected organisms, are also reviewed.
Book Synopsis Telomerases, Telomeres and Cancer by : Guido Krupp
Download or read book Telomerases, Telomeres and Cancer written by Guido Krupp and published by Taylor & Francis US. This book was released on 2003-01-31 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides broad insights to the most recent discoveries in telomere biology, with current applications in tumor diagnostics and future potentials in therapy. Special features of diverse organisms are presented, with ciliates, the "telomerase discoverer organisms"; yeasts, the "molecular genetisists' toy for eukaryotes"; including plants and insects as well. 28 chapters were written by a group of leading research scientists, working in the telomere/telomerase fields today. This book will be a core reference for any physician, scientist or "educated reader" with an interest in the exciting developments in this research field.
Book Synopsis The Evolving Telomeres by : Arthur J. Lustig
Download or read book The Evolving Telomeres written by Arthur J. Lustig and published by Frontiers Media SA. This book was released on 2016-07-19 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: What controls the different rates of evolution to give rise to conserved and divergent proteins and RNAs? How many trials until evolution can adapt to physiological changes? Every organism has arisen through multiple molecular changes, and the mechanisms that are employed (mutagenesis, recombination, transposition) have been an issue left to the elegant discipline of evolutionary biology. But behind the theory are realities that we have yet to ascertain: How does an evolving cell accommodate its requirements for both conserving its essential functions, while also providing a selective advantage? In this volume, we focus on the evolution of the eukaryotic telomere, the ribo-nuclear protein complex at the end of a linear chromosome. The telomere is an example of a single chromosomal element that must function to maintain genomic stability. The telomeres of all species must provide a means to avoid the attrition from semi-conservative DNA replication and a means of telomere elongation (the telomere replication problem). For example, telomerase is the most well-studied mechanism to circumvent telomere attrition by adding the short repeats that constitutes most telomeres. The telomere must also guard against the multiple activities that can act on an unprotected double strand break requiring a window (or checkpoint) to compensate for telomere sequence loss as well as protection against non-specific processes (the telomere protection problem). This volume describes a range of methodologies including mechanistic studies, phylogenetic comparisons and data-based theoretical approaches to study telomere evolution over a broad spectrum of organisms that includes plants, animals and fungi. In telomeres that are elongated by telomerases, different components have widely different rates of evolution. Telomerases evolved from roots in archaebacteria including splicing factors and LTR-transposition. At the conserved level, the telomere is a rebel among double strand breaks (DSBs) and has altered the function of the highly conserved proteins of the ATM pathway into an elegant means of protecting the chromosome end and maintaining telomere size homeostasis through a competition of positive and negative factors. This homeostasis, coupled with highly conserved capping proteins, is sufficient for protection. However, far more proteins are present at the telomere to provide additional species-specific functions. Do these proteins provide insight into how the cell allows for rapid change without self-destruction?
Book Synopsis Telomerase, Aging and Disease by : M.P. Mattson
Download or read book Telomerase, Aging and Disease written by M.P. Mattson and published by . This book was released on 2001-10-12 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of Advances in Cell Aging and Gerontology critically reviews the rapidly advancing area of telomerase research with a focus at the molecular and cellular levels. The clearly established function of telomerase is to maintain chromosome ends during successive rounds of cell division by adding a six base DNA repeat on to the telomeric ends of chromosomes. As presented in the chapters of this volume, the mechanisms that regulate telomerase expression and activity are complex. Moreover, emerging data suggest additional roles for telomerase in the regulation of cell differentiation and survival. It is expected that this quite comprehensive volume will provide a valuable resource for graduate students and postdocs in the telomerase field and for established investigators in other fields who are beginning to study telomerase in their particular research program. With an increasing number of proteins being brought into the fold of telomerase research (e.g., DNA damage and repair response proteins, heat-shock proteins, and proteins in various signal transduction cascades) many new scientists are beginning to study this enzyme from novel vantage points.
Book Synopsis Telomeres in Health and Disease by :
Download or read book Telomeres in Health and Disease written by and published by Academic Press. This book was released on 2014-06-26 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: This special volume of Progress in Molecular Biology and Translational Science focuses on telomeres in health and disease. This volume covers a variety of topics with reviews written by experts in the field. Contributions from specialists in telomere diseases Informs and updates on how telomere dysfunction may cause disease in humans
Book Synopsis Telomere Territory and Cancer by : Parvin Mehdipour
Download or read book Telomere Territory and Cancer written by Parvin Mehdipour and published by Springer Science & Business Media. This book was released on 2012-08-13 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Timing, racing, combating, struggling and targeting are some actions through which cellular fate could be reflected and evaluated. Interaction between cell territory and environment occur during pre-embryonic, fetal development, and post-natal periods. What the researchers observe as the outcome of telomeres behavior is only the peak of an ice mountain within a stormy ocean. Cellular life depends on programmed behavior of telomeres, capable to surprise the cells. Telomeres provide an introduction to the history of our cells which govern the quality of life and status of health. Telomeres as the cooperative territory are capable of stabilizing the chromosomal territory. The status of telomeres reflects the key information, announcing the real age of individuals, and may be a valuable marker for prognosis and predicting cancer. Telomere territory is characterized with a multi-disciplinary manner. Therefore, this book is aimed to offer a wide range of chapters, hoping to be useful for diverse audiences, including hematologists-oncologists, radiotherapists, surgeons, cancer researchers, and all the sectors who affect the macro- and micro- environmental domains. Finally, telomeres are sensitive, cooperative, and trustable targets. It is worth to state that ‘telomeres are messengers of NATURE’, let’s to know them as they are.
