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Growth Control During Cell Aging

Growth Control During Cell Aging PDF Author: Eugenia Wang
Publisher: CRC Press
ISBN: 1000141519
Category : Science
Languages : en
Pages : 280

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Book Description
The purpose of this book is to provide information on senescent cells and why they are prevented from multiplying via cell division. It includes main sections on the nature of Go/1 transition, factors promoting the cell cycle traverse and avoiding the Go/1 arrest, and negative factors arresting the cell cycle traverse and promoting the stay in the Go/1 stage. Filled with illustrations and explanations, it collectively presents the mechanisms that control the cellular aging process. This reference is a must for anyone with special interests in the biological community, and specifically the field of gerontology.

Growth Control During Cell Aging

Growth Control During Cell Aging PDF Author: Eugenia Wang
Publisher: CRC Press
ISBN: 1000141519
Category : Science
Languages : en
Pages : 280

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Book Description
The purpose of this book is to provide information on senescent cells and why they are prevented from multiplying via cell division. It includes main sections on the nature of Go/1 transition, factors promoting the cell cycle traverse and avoiding the Go/1 arrest, and negative factors arresting the cell cycle traverse and promoting the stay in the Go/1 stage. Filled with illustrations and explanations, it collectively presents the mechanisms that control the cellular aging process. This reference is a must for anyone with special interests in the biological community, and specifically the field of gerontology.

Cellular Aging and Cell Death

Cellular Aging and Cell Death PDF Author: Nikki J. Holbrook
Publisher: John Wiley & Sons
ISBN: 9780471121237
Category : Science
Languages : en
Pages : 344

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Book Description
Cellular AGING AND CELL DEATH Edited by Nikki J. Holbrook, George R. Martin, and Richard A.Lockshin Cellular Aging and Cell Death provides a thorough understanding ofthe mechanisms responsible for cellular aging, covering the recentresearch on programmed cell death and senescence, and describingtheir role in the control of cell proliferation and the agingprocess. This one-of-a-kind book is the first to combine the twohottest research areas of cell biology into one comprehensivetext. Leading experts contribute to give readers an authoritativeoverview of the distinct fields of cellular aging and programmedcell death, as well as to demonstrate how both fields are criticalto understanding the aging process. They address the large andgrowing interest in apoptosis, especially with regard to themolecular signals that induce and regulate programmed cell death,and the role of apoptosis in a variety of age-associated diseasesand disabilities. Throughout the book, a strong emphasis is placedon the interrelationship of the molecular, cellular, andphysiological aspects of senescence. Individual chapters discuss such topics as the role and regulationof apoptosis in development, the potential impact of cell death onsuch postmitotic tissues as nerve and muscle, and suggest thatprogrammed cell death plays an important role in both pathologicaland nonpathological aspects of aging, including neurodegenerativediseases. One important chapter focuses on the most recent research involvingthe study of telomeres, whose reduction in length with age and celldivision may underlie cellular senescence. The subject of neuronalcell death is also put into the perspective of aging. Cellular Aging and Cell Death bridges the rapidly growing fields ofcellular aging and programmed cell death. This thorough, yetconcise book will be of particular interest to graduate studentsand researchers within the fields of cell and developmentalbiology, neurobiology, immunology, and physiology. Physicians andmedical students involved in the fields of gerontology andpathology will also find this an informative reference.

Biomedical Index to PHS-supported Research

Biomedical Index to PHS-supported Research PDF Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages :

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Research Awards Index

Research Awards Index PDF Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1380

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The Aging Gap Between Species

The Aging Gap Between Species PDF Author: Anca Ioviţă
Publisher: Anca Ioviţă
ISBN: 8822878795
Category : Science
Languages : en
Pages :

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Book Description
Aging is a puzzle to solve. This process is traditionally studied in a couple of biological models like fruit flies, worms and mice. What all these species have in common is their fast aging. This is excellent for lab budgets. It is a great short-term strategy. Who has time to study species that live for decades? But lifespan differences among species are magnitudes of order larger than any lifespan variation achieved in the lab. This is the reason for which I studied countless information resources in an attempt to gather highly specialized research into one easy-to-follow book. I wanted to see the forest among the trees. I wanted to expose the aging gap between species in an easy-to-follow and logical sequence. This book is my attempt at doing just that. What are the mechanisms underlying the aging gap between species? I intentionally chose to write the answer to this question in plain English. Aging research is too important to hide it behind the closed doors of formal scientific jargon. This book could not have existed if green tea, libraries and the Internet were not invented. The amount of data I had to browse in order to keep the essential patterns is huge. Yet this book is not exhaustive. This is not a dry academic textbook. I tried to instill life in a topic that is hugely important for the extension of human lifespan. Only you can decide if I achieved this. ********* TABLE OF CONTENTS *********** Finding the Forest Among the Trees Being Reliable Counts The Mathematics of Aging The Speed of Senescence Case Study: Aging in Fish How to Estimate Chronological Age Taking Life Slowly On Temperature and Aging Dormancy The Housekeeping Problem Case Study: Aging in Turtles Intracellular Junk Case Study: Aging in Crustaceans Extracellular Junk Case Study: Protein Quality Control The Sweet Poison Are Cell Membranes the Pacemakers of Metabolism? Could Reproduction Set up the Pacemaker of Senescence? The Segregation of Somatic and Germ Cells Clonal Senescence Versus Mechanical Senescence Same Species, Different Lifespans Case Study: Eusocial Species Case Study: Parasite/Free-Living Populations Case Study: Island Versus Inland Populations Hormones as Pacemakers of Senescence Case Study: Low Hormone Levels in Long-lived Rodents Is Aging a Form of Dehydration? The Immune Pacemaker of Senescence Innate Versus Adaptive Immunity Senescent Cells Case Study: Thymic Involution in Negligible Senescence Species Reverse Engineering the Body Case Study: Why Are Sponges Potentially Immortal? Modular Growth and Aging Case Study: Youth Is Forever Gone. Unless You Are a Hydra. Or an Immortal Jellyfish Down The Neoteny Lane Case Study: Neoteny in Amphibians Case Study: Neoteny in Mammals It's All About Neoteny Does Aging Start When Growth Stops? Case Study: Indeterminate Growth in Crustaceans The Rate of Growth Case Study: Aging in Bivalves Is Telomerase The New Fountain of Youth? Case Study: Same Species, Different Telomerase Expression Telomerase Gene Therapy Case Study: Sea Urchins Perennial Plants and Their Regenerating Roots Case Study: The Bristlecone Pine Unitary Versus Colonial Organisms Cancer The Paradox of Peto Case Study: Cancer in Long-Lived Species The End Acknowledgments Bibliography

Growth, Development, and Aging

Growth, Development, and Aging PDF Author:
Publisher:
ISBN:
Category : Aging
Languages : en
Pages : 258

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The spatiotemporal dynamics of longevity-defining cellular processes and its modulation by genetic, dietary and pharmacological anti-aging interventions

The spatiotemporal dynamics of longevity-defining cellular processes and its modulation by genetic, dietary and pharmacological anti-aging interventions PDF Author: Vladimir I. Titorenko
Publisher: Frontiers E-books
ISBN: 9782889190904
Category :
Languages : en
Pages :

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Book Description
Aging of multicellular and unicellular eukaryotic organisms is a highly complex biological phenomenon that affects a plethora of processes within cells. This wide array of longevity-defining cellular processes - which are governed by an evolutionarily conserved signaling network - includes oxidative metabolism and protein synthesis in mitochondria, lipid and carbohydrate metabolism, NAD+ homeostasis, amino acid biosynthesis and degradation, ammonium and amino acid uptake, ribosome biogenesis and translation, proteasomal protein degradation, nuclear DNA replication, chromatin assembly and maintenance, actin organization, apoptosis, necrosis, autophagy, protein folding, stress response, signal transduction, cell cycle, and cell growth. The focus of this Frontiers Special Topic Issue is on an important conceptual advance in our understanding of how cells integrate and control these numerous processes and how genetic, dietary and pharmacological anti-aging interventions extend longevity by altering their functional states and spatiotemporal dynamics. The Issue will highlight the various strategies used by evolutionarily diverse organisms for coordinating these longevity-defining cellular processes in space and time, critically evaluate the molecular and cellular mechanisms underlying such coordination, and outline the most important unanswered questions and directions for future research in this vibrant and rapidly evolving field.

National Library of Medicine Current Catalog

National Library of Medicine Current Catalog PDF Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages :

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Two Faces of Evil: Cancer and Neurodegeneration

Two Faces of Evil: Cancer and Neurodegeneration PDF Author: Thomas Curran
Publisher: Springer Science & Business Media
ISBN: 3642166024
Category : Medical
Languages : en
Pages : 166

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Book Description
Homeostasis involves a delicate interplay between generative and degenerative processes to maintain a stable internal environment. In biological systems, equilibrium is established and controlled through a series of negative feedback mechanisms driven by a range of signal transduction processes. Failures in these complex communication pathways result in instability leading to disease. Cancer represents a state of imbalance caused by an excess of cell proliferation. In contrast, neurodegeneration is a consequence of excessive cell loss in the nervous system. Both of these disorders exhort profound tolls on humanity and they have been subject to a great deal of research designed to ameliorate this suffering. For the most part, the topics have been viewed as distinct and rarely do opportunities arise for transdisciplinary discussions among experts in both fields. However, cancer and neurodegeneration represent yin-yang counterpoints in the regulation of cell growth, and it is reasonable to hypothesize that key regulatory events mediated by oncogenes and tumor suppressor genes in cancer may also affect neurodegenerative processes

Senolytics in Disease, Ageing and Longevity

Senolytics in Disease, Ageing and Longevity PDF Author: Daniel Muñoz-Espin
Publisher: Springer Nature
ISBN: 3030449033
Category : Science
Languages : en
Pages : 222

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Book Description
This book offers comprehensive information on the new and rapidly evolving science of identifying and targeting senescent cells, and on the exciting prospect of new diagnostic and therapeutic opportunities for stopping, and even reversing, the progression of disease and the deterioration of the human body due to ageing. According to recent United Nations data, by 2050 one in six people worldwide will be older than age 65, with peaks rising to one in four people in Europe and North America. Remarkably, the number of persons aged 80 years or older is expected to triple, from 143 million in 2019 to 426 million in 2050. First documented in the 1960s, the concept of cellular senescence as an underlying cause of ageing has been established in the course of the last decade. Using genetically engineered mouse models, researchers have demonstrated that the selective elimination of senescent cells can block and even reverse a number of age-related dysfunctions and pathologies, promoting both better health and longer life in the elderly. These include cardiovascular diseases; neurological disorders; type 1 and type 2 diabetes; inflammatory diseases; fibrosis; geriatric syndromes; chronic diseases resulting in organ dysfunction; the integrity of the musculoskeletal system; and cancer. Some senolytic agents have already progressed into trials. These include UBX0101 for the treatment of osteoarthritis (now in phase II), a cocktail of dasatinib and quercetin for the management of idiopathic pulmonary fibrosis and chronic kidney disease, and ABT-263 in combination with senescence-inducing chemotherapies for the treatment of advanced solid tumours. In addition, the book discusses pathways to early phase clinical trials and translational approaches in medicine and ageing, highlighting new opportunities as well as current limitations, challenges and alternatives. Given its scope, it will benefit a broad audience of advanced educators, researchers, graduate students and practitioners.