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The Dna Restart

Author : Sharon Moalem
ISBN : 9781623366681
Genre : Health & Fitness
File Size : 85.96 MB
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The DNA Restart turns traditional dietary advice on its head with groundbreaking research that demonstrates that we all require different diets based on our genes. In The DNA Restart, Sharon Moalem, MD, PhD, provides a revolutionary step-by-step guide to the diet and lifestyle perfect for your individual genetic makeup. A physician, scientist, neurogeneticist, and New York Times bestselling author, Dr. Moalem has spent the last two decades researching and formulating how to reset your own genetic code using five essential pillars: eat for your genes; reverse aging; eat umami; drink oolong tea; and slow living. The DNA Restart plan utilizes decades of in-depth scientific research into genetics, epigenetics, nutrition, and longevity to explain the pivotal role genes play in the journey to ideal weight and health status. Dr. Moalem's unique 28-day plan shows how to upgrade sleep, harness sensory awareness, and use exercise to reset your DNA; how to determine the right amounts of protein, carbs, and fats you need for your individual genetic make-up; and how to incorporate umami-rich recipes and oolong tea into your diet to genetically thrive. Delicious recipes with mix-and-match meal plans, inspiring testimonials, and genetic self-tests round out this paradigm shifting diet book.
Category: Health & Fitness

Dna Replication Controls Volume 2

Author : Eishi Noguchi
ISBN : 9783038425724
Genre : Science
File Size : 81.74 MB
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This book is a printed edition of the Special Issue "DNA Replication Controls" that was published in Genes
Category: Science

Genome Instability Induced By Structured Dna And Replication Fork Restart

Author : Stephanie Schalbetter
ISBN : OCLC:809550985
Genre :
File Size : 64.56 MB
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DNA replication is a central mechanism to all forms of life. Errors occurring during DNA replication can result in mutagenesis and genome rearrangements, which can cause various diseases. In this work I have investigated the stability of direct tandem repeats (TRs) in the context of replication and replication-associated repair mechanisms. During DNA replication the replication fork encounters many obstacles, such as DNA-protein barriers, secondary DNA structures and DNA lesions. How and if replication resumes or restarts in these circumstances in order to complete genome replication is not well understood and the fidelity of replication in response to such obstacles remains unclear. I have developed TR assays to assess replication errors in the context of replication fork restart and secondary structures. The results suggest that structured DNA (G4) can cause instability of TRs in the context of normal replication and that restarted replication can be intrinsically error-prone. Surprisingly, the mutagenic effect of G4-DNA on TR stability was not elevated in the context of replication fork restart. Therefore, deletions of TRs containing G4-DNA are not more susceptible to the compromised fidelity of a restarted replication fork. Structures such as stalled replication forks can induce checkpoint responses to maintain genome stability. The stabilisation of replication forks is central in the response to replication stress. These protective mechanisms include the regulation of enzymatic activities. Mus81-Eme1 is a structurespecific endonuclease which is regulated by the DNA replication checkpoint, but has also been shown to be required for replication fork restart in certain circumstances. In collaboration with Professor Neil McDonald I analysed a novel domain identified in Mus81-Eme1. Mutagenesis of key residues deduced from the protein structure and comparison of their genetic analysis to known phenotypes of Mus81-Eme1 suggests distinct requirements for this domain.

Dna Repair Enzymes Cell Molecular And Chemical Biology

Author :
ISBN : 9780128118474
Genre : Science
File Size : 51.26 MB
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DNA Repair Enzymes, Part A, Volume 591 is the latest volume in the Methods in Enzymology series and the first part of a thematic that focuses on DNA repair enzymes. Topics in this new release include chapters on the Optimization of Native and Formaldehyde iPOND Techniques for Use in Suspension Cells, the Proteomic Analyses of the Eukaryotic Replication Machinery, DNA Fiber Analysis: Mind the Gap!, Comet-FISH for Ultrasensitive Strand-Specific Detection of DNA Damage in Single Cells, Examining DNA Double-Strand Break Repair in a Cell Cycle-Dependent Manner, Base Excision Repair Variants in Cancer, and Fluorescence-Based Reporters for Detection of Mutagenesis in E. coli. Includes contributions from leading authorities working in enzymology Focuses on DNA repair enzymes Informs and updates on all the latest developments in the field of enzymology
Category: Science

Studies On Periodontal Disease

Author : Daisuke Ekuni
ISBN : 9781461495574
Genre : Science
File Size : 41.6 MB
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The chapters of Studies on Periodontal Disease comprise four parts. Part 1 provides basic sciences from the general to the particular. The findings of cell culture and animal models supply the mechanism between periodontal disease and oxidative stress. In part 2, human clinical studies are mainly addressed. The effects of periodontal therapy on circulating oxidative stress are also discussed. The relationships between periodontal disease and systemic diseases are examined in part 3. The involvement of oxidative stress and inflammation are discussed through in vivo and in vitro study results. Part 4 discusses future strategies, including the effects of antioxidants and nutrition on periodontal disease. This thorough examination of the relationship between oxidative stress and periodontal disease is essential reading for researchers in oxidative stress and periodontal clinicians, alike.
Category: Science

Links Between Recombination And Replication

Author : Proceedings of the National Academy of Sciences
ISBN : 9780309074247
Genre : Electronic book
File Size : 29.33 MB
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There has been a sea change in how we view genetic recombination. When germ cells are produced in higher organisms, genetic recombination assures the proper segregation of like chromosomes. In the course of that process, called meiosis, recombination not only assures segregation of one chromosome of each type to progeny germ cells, but also further shuffles the genetic deck, contributing to the unique inheritance of individuals. In a nutshell, that is the classical view of recombination. We have also known for many years that in bacteria recombination plays a role in horizontal gene transfer and in replication itself, the latter by establishing some of the replication forks that are the structural scaffolds for copying DNA. In recent years, however, we have become increasingly aware that replication, which normally starts without any help from recombination, is a vulnerable process that frequently leads to broken DNA. The enzymes of recombination play a vital role in the repair of those breaks. The recombination enzymes can function via several different pathways that mediate the repair of breaks, as well as restoration of replication forks that are stalled by other kinds of damage to DNA. Thus, to the classical view of recombination as an engine of inheritance we must add the view of recombination as a vital housekeeping function that repairs breaks suffered in the course of replication. We have also known for many years that genomic instability-including mutations, chromosomal rearrangements, and aneuploidy-is a hallmark of cancer cells. Although genomic instability has many contributing causes, including faulty replication, there are many indications that recombination, faulty or not, contributes to genome instability and cancer as well. The (Nas colloquium) Links Between Recombination and Replication: Vital Roles of Recombination was convened to broaden awareness of this evolving area of research. Papers generated by this colloquium are published here. To encourage the desired interactions of specialists, we invited some contributions that deal only with recombination or replication in addition to contributions on the central thesis of functional links between recombination and replication. To aid the nonspecialist and specialist alike, we open the set of papers with a historical overview by Michael Cox and we close the set with a commentary on the meeting and the field by Andrei Kuzminov.
Category: Electronic book

Dna Damage And Repair

Author : Jac A. Nickoloff
ISBN : 9781592590957
Genre : Science
File Size : 42.80 MB
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Jac A. Nickoloff and Merl F. Hoekstra update and expand their two earlier acclaimed volumes (Vol. I: DNA Repair in Prokaryotes and Lower Eukaryotes and Vol. II: DNA Repair in Higher Eurkaryotes) with cutting-edge reviews by leading authorities of primary experimental findings about DNA repair processes in cancer biology. The reviews cover a wide range of topics from viruses and prokaryotes to higher eukaryotes, and include several new topics, among them the role of recombination in replication of damaged DNA, X-ray crystallographic analysis of DNA repair protein structures, DNA repair proteins and teleomere function, and the roles of BRCA1 and BRCA2 in DNA repair. Authoritative and up-to-date, DNA Damage and Repair, Vol. III: Advances from Phage to Humans surveys the rapidly moving research in DNA damage and repair, and explains the important functional relationships among different DNA repair pathways and the relationship between DNA repair pathways, cancer etiology, and cancer therapies.
Category: Science

Cellular Signaling In Health And Disease

Author : Martin Beckerman
ISBN : 038798173X
Genre : Science
File Size : 81.90 MB
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In today’s world, three great classes of non-infectious diseases – the metabolic syndromes (such as type 2 diabetes and atherosclerosis), the cancers, and the neurodegenerative disorders – have risen to the fore. These diseases, all associated with increasing age of an individual, have proven to be remarkably complex and difficult to treat. This is because, in large measure, when the cellular signaling pathways responsible for maintaining homeostasis and health of the body become dysregulated, they generate equally stable disease states. As a result the body may respond positively to a drug, but only for a while and then revert back to the disease state. Cellular Signaling in Health and Disease summarizes our current understanding of these regulatory networks in the healthy and diseased states, showing which molecular components might be prime targets for drug interventions. This is accomplished by presenting models that explain in mechanistic, molecular detail how a particular part of the cellular signaling web operates properly in health and improperly in disease. The stability of the health- and disease-associated states is dynamic and supported by multiple feedback loops acting positively and negatively along with linkages between pathways. During the past few years an ongoing series of important discoveries have been made that advance our understanding of how the body works and may guide us on how to better deal with these diseases. These include the discovery of chronic inflammation as a causal factor in all of these disease classes, the appearance of reactive oxygen species as a messenger molecule that can act both positively and negatively, the propensity of proteins to misfold into aggregation- and disease-prone forms, and the rise of epigenetics including the emergence of small non-coding RNA with important regulatory functions out of the so-called junk RNA. Chapters are devoted to each of these classes of findings with additional details integrated into the chapters dealing directly with the diseases. The connections responsible for maintaining stability are explored in depth.
Category: Science