The Mitochondrion In The Germline And Early Development
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The Mitochondrion in the Germline and Early Development by Justin St. John Pdf
Current Topics in Developmental Biology provides a comprehensive survey of the major topics in the field of developmental biology. These volumes are valuable to researchers in animal and plant development, as well as to students and professionals who want an introduction to cellular and molecular mechanisms of development. The series has recently passed its 30-year mark, making it the longest-running forum for contemporary issues in developmental biology. Includes many descriptive figures Topics covered include the role of mitochondrial function, the use of ARTs to regulate mtDNA disease, nuclear transfer, and more Latest volume in the series that covers 10 reviews from leading authorities in developmental biology
National Academies of Sciences, Engineering, and Medicine,Institute of Medicine,Board on Health Sciences Policy,Committee on the Ethical and Social Policy Considerations of Novel Techniques for Prevention of Maternal Transmission of Mitochondrial DNA Diseases
Author : National Academies of Sciences, Engineering, and Medicine,Institute of Medicine,Board on Health Sciences Policy,Committee on the Ethical and Social Policy Considerations of Novel Techniques for Prevention of Maternal Transmission of Mitochondrial DNA Diseases Publisher : National Academies Press Page : 201 pages File Size : 48,9 Mb Release : 2016-04-17 Category : Medical ISBN : 9780309388702
Mitochondrial Replacement Techniques by National Academies of Sciences, Engineering, and Medicine,Institute of Medicine,Board on Health Sciences Policy,Committee on the Ethical and Social Policy Considerations of Novel Techniques for Prevention of Maternal Transmission of Mitochondrial DNA Diseases Pdf
Mitochondrial replacement techniques (MRTs) are designed to prevent the transmission of mitochondrial DNA (mtDNA) diseases from mother to child. While MRTs, if effective, could satisfy a desire of women seeking to have a genetically related child without the risk of passing on mtDNA disease, the technique raises significant ethical and social issues. It would create offspring who have genetic material from two women, something never sanctioned in humans, and would create mitochondrial changes that could be heritable (in female offspring), and therefore passed on in perpetuity. The manipulation would be performed on eggs or embryos, would affect every cell of the resulting individual, and once carried out this genetic manipulation is not reversible. Mitochondrial Replacement Techniques considers the implications of manipulating mitochondrial content both in children born to women as a result of participating in these studies and in descendants of any female offspring. This study examines the ethical and social issues related to MRTs, outlines principles that would provide a framework and foundation for oversight of MRTs, and develops recommendations to inform the Food and Drug Administration's consideration of investigational new drug applications.
Maternal Control of Development in Vertebrates by Florence Louise Marlow Pdf
Eggs of all animals contain mRNAs and proteins that are supplied to or deposited in the egg as it develops during oogenesis. These maternal gene products regulate all aspects of oocyte development, and an embryo fully relies on these maternal gene products for all aspects of its early development, including fertilization, transitions between meiotic and mitotic cell cycles, and activation of its own genome. Given the diverse processes required to produce a developmentally competent egg and embryo, it is not surprising that maternal gene products are not only essential for normal embryonic development but also for fertility. This review provides an overview of fundamental aspects of oocyte and early embryonic development and the interference and genetic approaches that have provided access to maternally regulated aspects of vertebrate development. Some of the pathways and molecules highlighted in this review, in particular, Bmps, Wnts, small GTPases, cytoskeletal components, and cell cycle regulators, are well known and are essential regulators of multiple aspects of animal development, including oogenesis, early embryogenesis, organogenesis, and reproductive fitness of the adult animal. Specific examples of developmental processes under maternal control and the essential proteins will be explored in each chapter, and where known conserved aspects or divergent roles for these maternal regulators of early vertebrate development will be discussed throughout this review. Table of Contents: Introduction / Oogenesis: From Germline Stem Cells to Germline Cysts / Oocyte Polarity and the Embryonic Axes: The Balbiani Body, an Ancient Oocyte Asymmetry / Preparing Developmentally Competent Eggs / Egg Activation / Blocking Polyspermy / Cleavage/ Mitosis: Going Multicellular / Maternal-Zygotic Transition / Reprogramming: Epigenetic Modifications and Zygotic Genome Activation / Dorsal-Ventral Axis Formation before Zygotic Genome Activation in Zebrafish and Frogs / Maternal TGF-β and the Dorsal-Ventral Embryonic Axis / Maternal Control After Zygotic Genome Activation / Compensation by Stable Maternal Proteins / Maternal Contributions to Germline Establishment or Maintenance / Perspective / Acknowledgments / References
The Royal Society,National Academy of Sciences,National Academy of Medicine,International Commission on the Clinical Use of Human Germline Genome Editing
Author : The Royal Society,National Academy of Sciences,National Academy of Medicine,International Commission on the Clinical Use of Human Germline Genome Editing Publisher : National Academies Press Page : 239 pages File Size : 41,5 Mb Release : 2021-01-16 Category : Medical ISBN : 9780309671132
Heritable Human Genome Editing by The Royal Society,National Academy of Sciences,National Academy of Medicine,International Commission on the Clinical Use of Human Germline Genome Editing Pdf
Heritable human genome editing - making changes to the genetic material of eggs, sperm, or any cells that lead to their development, including the cells of early embryos, and establishing a pregnancy - raises not only scientific and medical considerations but also a host of ethical, moral, and societal issues. Human embryos whose genomes have been edited should not be used to create a pregnancy until it is established that precise genomic changes can be made reliably and without introducing undesired changes - criteria that have not yet been met, says Heritable Human Genome Editing. From an international commission of the U.S. National Academy of Medicine, U.S. National Academy of Sciences, and the U.K.'s Royal Society, the report considers potential benefits, harms, and uncertainties associated with genome editing technologies and defines a translational pathway from rigorous preclinical research to initial clinical uses, should a country decide to permit such uses. The report specifies stringent preclinical and clinical requirements for establishing safety and efficacy, and for undertaking long-term monitoring of outcomes. Extensive national and international dialogue is needed before any country decides whether to permit clinical use of this technology, according to the report, which identifies essential elements of national and international scientific governance and oversight.
Brenner's Encyclopedia of Genetics by Stanley Maloy,Kelly Hughes Pdf
The explosion of the field of genetics over the last decade, with the new technologies that have stimulated research, suggests that a new sort of reference work is needed to keep pace with such a fast-moving and interdisciplinary field. Brenner's Encyclopedia of Genetics, Second Edition, Seven Volume Set, builds on the foundation of the first edition by addressing many of the key subfields of genetics that were just in their infancy when the first edition was published. The currency and accessibility of this foundational content will be unrivalled, making this work useful for scientists and non-scientists alike. Featuring relatively short entries on genetics topics written by experts in that topic, Brenner's Encyclopedia of Genetics, Second Edition, Seven Volume Set provides an effective way to quickly learn about any aspect of genetics, from Abortive Transduction to Zygotes. Adding to its utility, the work provides short entries that briefly define key terms, and a guide to additional reading and relevant websites for further study. Many of the entries include figures to explain difficult concepts. Key terms in related areas such as biochemistry, cell, and molecular biology are also included, and there are entries that describe historical figures in genetics, providing insights into their careers and discoveries. This 7-volume set represents a 25% expansion from the first edition, with over 1600 articles encompassing this burgeoning field Thoroughly up-to-date, with many new topics and subfields covered that were in their infancy or not inexistence at the time of the first edition. Timely coverage of emergent areas such as epigenetics, personalized genomic medicine, pharmacogenetics, and genetic enhancement technologies Interdisciplinary and global in its outlook, as befits the field of genetics Brief articles, written by experts in the field, which not only discuss, define, and explain key elements of the field, but also provide definition of key terms, suggestions for further reading, and biographical sketches of the key people in the history of genetics
Ovarian Aging and Reproduction by Wenpei Xiang,Yingying Qin,Huai L. Feng,Jing Li Pdf
The ovary plays a very significant role in aging. The regenerative capacity of stem cells is the key factor to promote healthy aging, and the stem cell viability would decline sharply after the reproductive period, especially in women. Except for stem cell aging and neuroendocrine aging, ovarian aging is also a hotspot in the field of aging research. Recent researches have investigated many factors affecting ovarian function or aging, in terms of gene mutation, epigenetic erosion, endocrine dysfunction and environment-dependent extrinsic factors. This Research Topic aims to explore in detail all the factors related to ovarian aging and female reproduction outcomes. We'll discuss various age-related molecules, such as P16, P21, etc., as well as mutations in premature aging genes, such as FSHR mutations, abnormalities in the mitochondrial respiratory chain, and redox imbalances that contribute to ovarian aging. Also, we are committed to addressing the relationship between female factors and reproductive outcomes. Besides, the discussion also focus on measures to delay ovarian aging, such as antioxidant drugs, mesenchymal stem cell therapy, ovarian tissue engineering exploration, etc. 1) This Research Topic aims to provide nursing suggestions related to ovarian aging and measures to prevent ovarian aging, including psychological intervention, improving living habits, optimizing the environment and other suggestions that may delay ovarian aging, and in turn to provide tips for clinical treatment. 2) This Research Topic aims to reveal the novel factors involved in ovarian aging and their related mechanisms, including function-related gene mutations, mitochondrial and oxidative stresses’ damage, metabolism-related molecules, and the specific mechanisms of these factors. 3) This Research Topic aims to discuss the influence of female-related factors on assisted reproductive outcome, such as female age, BMI, serum hormone level, endometrial preparation program, follicular fluid quality and other factors. 4) This Research Topic aims to explore the role of stem cells and tissue engineering in delaying ovarian aging, such as mesenchymal stem cell intravenous injection and the in situ ovarian tissue transplantation. 5) This Research Topic still involves in the research on anti-aging drugs for ovaries.
The Human Mitochondrial Genome by Giuseppe Gasparre,Anna Maria Porcelli Pdf
The Human Mitochondrial Genome: From Basic Biology to Disease offers a comprehensive, up-to-date examination of human mitochondrial genomics, connecting basic research to translational medicine across a range of disease types. Here, international experts discuss the essential biology of human mitochondrial DNA (mtDNA), including its maintenance, repair, segregation, and heredity. Furthermore, mtDNA evolution and exploitation, mutations, methods, and models for functional studies of mtDNA are dealt with. Disease discussion is accompanied by approaches for treatment strategies, with disease areas discussed including cancer, neurodegenerative, age-related, mtDNA depletion, deletion, and point mutation diseases. Nucleosides supplementation, mitoTALENs, and mitoZNF nucleases are among the therapeutic approaches examined in-depth. With increasing funding for mtDNA studies, many clinicians and clinician scientists are turning their attention to mtDNA disease association. This book provides the tools and background knowledge required to perform new, impactful research in this exciting space, from distinguishing a haplogroup-defining variant or disease-related mutation to exploring emerging therapeutic pathways. Fully examines recent advances and technological innovations in the field, enabling new mtDNA studies, variant and mutation identification, pathogenic assessment, and therapies Disease discussion accompanied by diagnostic and therapeutic strategies currently implemented clinically Outlines and discusses essential research protocols and perspectives for young scientists to pick up Features an international team of authoritative contributors from basic biologists to clinician-scientists
Transgenerational Epigenetics by Trygve Tollefsbol Pdf
Transgenerational Epigenetics provides a comprehensive analysis of the inheritance of epigenetic phenomena between generations. Recent research points to the existence of biological phenomena that are controlled not through gene mutations, but rather through reversible and heritable epigenetic processes. Epidemiological studies have suggested that environmental factors may be heritable. In fact, environmental factors often play a role in transgenerational epigenetics, which may have selective or adverse effects on the offspring. This epigenetic information can be transferred through a number of mechanisms including DNA methylation, histone modifications or RNA and the effects can persist for multiple generations. This book examines the evolution of epigenetic inheritance, its expression in animal and plant models, and how human diseases, such as metabolic disorders and cardiovascular diseases, appear to be affected by transgenerational epigenetic inheritance. It discusses clinical interventions in transgenerational epigenetic inheritance that may be on the horizon to help prevent diseases before the offspring are born, or to reduce the severity of diseases at the very earliest stages of development in utero, and current controversies in this area of study, as well as future directions for research. Focused discussion of metabolic disorders, cardiovascular diseases and longevity, which appear most affected by reversible and heritable epigenetic processes Encompasses both foundational and clinical aspects including discussions of preventative in utero therapies Covers history, future outlook, disease management and current controversies
Why is life the way it is? Bacteria evolved into complex life just once in four billion years of life on earth-and all complex life shares many strange properties, from sex to ageing and death. If life evolved on other planets, would it be the same or completely different? In The Vital Question, Nick Lane radically reframes evolutionary history, putting forward a cogent solution to conundrums that have troubled scientists for decades. The answer, he argues, lies in energy: how all life on Earth lives off a voltage with the strength of a bolt of lightning. In unravelling these scientific enigmas, making sense of life's quirks, Lane's explanation provides a solution to life's vital questions: why are we as we are, and why are we here at all? This is ground-breaking science in an accessible form, in the tradition of Charles Darwin's The Origin of Species, Richard Dawkins' The Selfish Gene, and Jared Diamond's Guns, Germs and Steel.
Mitochondrial DNA, Mitochondria, Disease and Stem Cells by Justin C. St. John Pdf
This volume investigates how the mitochondrial genome is transmitted, segregated, and inherited. It starts by describing mtDNA mutations and deletions and how these impact on the offspring’s well-being. It progresses to discuss how mutations to the mtDNA-nuclear-encoded transcription, replication and translational factors lead to mtDNA-depletion syndromes and how these affect cellular function and lead to the pathology of human mitochondrial disease. It also highlights the importance of the mitochondrial assembly factors and how mutations to these can lead to mitochondrial disease. The reader is then introduced to how mtDNA is transmitted through the oocyte and how stem cells can be used to study mitochondrial biogenesis and mtDNA replication and transcription in undifferentiated pluripotent and differentiating cells and how mitochondria adapt during this process. It then discusses how diseases like cancer are initiated and regulated by mutations to mitochondrial DNA and dysfunctional mitochondria. Finally, it draws on assisted reproductive technologies to discuss how some of these approaches might be adapted to prevent the transmission of mutant and deleted mtDNA from one generation to the next.
Biological Innovations that Built the World by Roberto Ligrone Pdf
The book is a detailed account of major biological events that contributed to create the present world and our species, with emphasis on cause-effect interrelationships and environmental impact. Its main goal is to guide the reader toward an understanding of the continuity of life across diversity, and of its large-scale interactions with the planet. Combining scientific soundness with a constant effort for clarity, the book begins with a cloud of dust in a corner of the Galaxy and, covering an immense lapse of time, terminates with an organism that ponders about the texture of the Universe. Comprehensive, updated references added to each chapter will help the reader wishing to expand any of the topics. A glossary explains less common technical terms.
Author : Gianpiero D. Palermo,Zsolt Peter Nagy Publisher : Cambridge University Press Page : 175 pages File Size : 53,5 Mb Release : 2021-11-25 Category : Medical ISBN : 9781108743839
Manual of Intracytoplasmic Sperm Injection in Human Assisted Reproduction by Gianpiero D. Palermo,Zsolt Peter Nagy Pdf
"Not everything in medical science has a clear beginning. The first realization of infertility and putative remedies remain shrouded in contextual history, but likely goes back to the dawn of our species, well before there was a written record. Childlessness was, and is still, considered a burden in some communities"--
Genetics and Genomics in Medicine by Tom Strachan,Anneke Lucassen Pdf
The second edition of this textbook written for undergraduate students, graduate students and medical researchers, Genetics and Genomics in Medicine explains the science behind the uses of genetics and genomics in medicine today, and how it is being applied. Maintaining the features that made the first edition so popular, this second edition has been thoroughly updated in line with the latest developments in the field. DNA technologies are explained, with emphasis on the modern techniques that are revolutionizing the use of genetic information in medicine and indicating the role of genetics in common diseases. Epigenetics and non-coding RNA are covered in-depth as are genetic approaches to treatment and prevention, including pharmacogenomics, genetic testing, and personalized medicine. A dedicated chapter charts the latest insights into the molecular basis of cancers, cancer genomics and novel approaches to cancer detection. Coverage of genetic testing at the level of genes, chromosomes and genomes has been significantly expanded and updated. Extra prominence has been given to additional genomic analyses, ethical aspects, and novel therapeutic approaches. Various case studies illustrate selected clinical applications. Key Features Comprehensive and integrated account of how genetics and genomics affect the entire spectrum of human health and disease Exquisite artwork illuminates the key concepts and mechanisms Summary points at the end of each chapter help to consolidate learning For each chapter, an abundance of further reading to help provide the reader with direction for further study Inclusive online question bank to test understanding Standard boxes summarizing certain key principles in genetics Clinical boxes summarizing selected case studies, pathogenesis mechanisms or novel therapies for selected diseases This book is equally suited for newcomers to the field as well as for engineers and scientists that have basic knowledge in this field but are interested in obtaining more information about specific future applications..
Human Molecular Genetics by Tom Strachan,Andrew Read Pdf
Human Molecular Genetics is an established and class-proven textbook for upper-level undergraduates and graduate students which provides an authoritative and integrated approach to the molecular aspects of human genetics. While maintaining the hallmark features of previous editions, the Fourth Edition has been completely updated. It includes new Key Concepts at the beginning of each chapter and annotated further reading at the conclusion of each chapter, to help readers navigate the wealth of information in this subject. The text has been restructured so genomic technologies are integrated throughout, and next generation sequencing is included. Genetic testing, screening, approaches to therapy, personalized medicine, and disease models have been brought together in one section. Coverage of cell biology including stem cells and cell therapy, studying gene function and structure, comparative genomics, model organisms, noncoding RNAs and their functions, and epigenetics have all been expanded.