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| Author | : Charles J. Epstein |
| Publisher | : Cambridge University Press |
| Total Pages | : 0 |
| Release | : 2007-07-26 |
| Genre | : Medical |
| ISBN | : 052103809X |
This book considers chromosome imbalance which affects all stages of life in ways ranging from spontaneous abortion and retardation to behavioural problems and malignancy.
| Author | : G. Lubec |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 380 |
| Release | : 1999-12-02 |
| Genre | : Medical |
| ISBN | : 9783211833773 |
This book contains updated reviews and original research work on Down Syndrome focussing on brandnew results in neurobiology, in particular results on gene hunting (subtractive hybridization, differential display) and neurochemistry. The book provides new data such as a subtractive library of Down Syndrome brain showing cDNAs that are overexpressed or downregulated and can be regarded as a source for further research on the preliminary transcriptional data given. A 2D-electrophoretic map of human brain proteins including Down Syndrome brain protein expression established by in-gel-digestion of spots with subsequent MALDI-identification provides the scientific basis for protein work to the neuroscientist. Altogether, the book provides a series of new candidate genes possibly involved in Down Syndrome neurobiology, tools for neuroscience studies on Down Syndrome brain thus serving as a manual and updated views and aspects on Down Syndrome pathobiology.
| Author | : R.J. MKinlay Gardner |
| Publisher | : OUP USA |
| Total Pages | : 650 |
| Release | : 2012 |
| Genre | : Medical |
| ISBN | : 0195375335 |
Advances in cytogenetics continue to crop up in wonderful ways, and we know exponentially more about chromosomes now than mere decades ago. Likewise, the necessary skills in offering genetic counseling continue to evolve. This new edition of Chromosome Abnormalities in Genetic Counseling offers a practical, up-to-date guide for the genetic counselor to marshal cytogenetic data and analysis clearly and effectively to families.
| Author | : National Research Council |
| Publisher | : National Academies |
| Total Pages | : 436 |
| Release | : 1990-02-01 |
| Genre | : Science |
| ISBN | : 0309039959 |
This book reevaluates the health risks of ionizing radiation in light of data that have become available since the 1980 report on this subject was published. The data include new, much more reliable dose estimates for the A-bomb survivors, the results of an additional 14 years of follow-up of the survivors for cancer mortality, recent results of follow-up studies of persons irradiated for medical purposes, and results of relevant experiments with laboratory animals and cultured cells. It analyzes the data in terms of risk estimates for specific organs in relation to dose and time after exposure, and compares radiation effects between Japanese and Western populations.
| Author | : Ilan R. Kirsch |
| Publisher | : CRC Press |
| Total Pages | : 556 |
| Release | : 1992-12-21 |
| Genre | : Science |
| ISBN | : 9780849388934 |
The Causes and Consequences of Chromosomal Aberrations explores one of the most dramatic examples of genomic instability-chromosomal aberrations. It describes some of the more recent techniques used to map genes within the human genome, study chromosomal aberrations at the cellular level, and define the organization of the interphase nucleus. General overviews are provided to build a conceptual framework for understanding the generality and specificity of chromosomal aberrations. The Causes and Consequences of Chromosomal Aberrations also explores the role of recombinases and topoisomerases in the development of chromosomal aberrations. It contains studies of chromosomal aberrations, which offer separate instructive treatises on specific malignancies. The Causes and Consequences of Chromosomal Aberrations is useful to medical and graduate students, physicians, molecular biologists, and cytogeneticists. It will benefit anyone interested in the concepts, contributions, and development in the field of molecular cytogenetics.
| Author | : Rebecca Ruth Beach |
| Publisher | : |
| Total Pages | : 222 |
| Release | : 2016 |
| Genre | : |
| ISBN | : |
When cells divide, they must properly duplicate and segregate their genome to generate two identical daughter cells with faithful transmission of the genomic content. Errors in chromosome segregation lead to aneuploidy, a state of chromosomal imbalance where the karyotype is not an exact multiple of the haploid complement. At an organismal level, aneuploidy is the leading cause of miscarriage and developmental defects, while at a cellular level, aneuploidy causes proliferative defects and is detrimental to cell fitness. However, aneuploidy is also associated with cancer, a disease of uncontrolled proliferation. Understanding the effects of aneuploidy on cellular physiology has broad implications for many areas of human health. Here, I have characterized the G1 delay in aneuploid S. cerevisiae. Aneuploid yeast exhibited a growth defect in G1. Additionally, aneuploid cells displayed a cell cycle entry delay due to delayed accumulation of G1 cyclins. Like other cellular stresses, aneuploidy interferes with the cell's ability to grow and to enter the cell cycle. I also developed a novel method to systematically examine the immediate consequences of gaining and-for the first time-losing single or multiple chromosomes. Using this system, I found that phenotypes wide-spread among aneuploid cells develop immediately following chromosome mis-segregation. Also, phenotypes common to chromosome gains are also wide-spread among cells that lost chromosomes, indicating that chromosome gains and losses fundamentally affect cells in similar ways. Finally, cell cycle analyses following chromosome mis-segregation revealed a surprising phenotypic variability among cells harboring the same aneuploidies. Together, these results provide insights into the mechanisms for the observed consequences of chromosome gains and losses on cellular physiology.
| Author | : Alison Fiander |
| Publisher | : Cambridge University Press |
| Total Pages | : 557 |
| Release | : 2016-10-13 |
| Genre | : Education |
| ISBN | : 1107667135 |
A fully updated and illustrated handbook providing comprehensive coverage of all curriculum areas covered by the MRCOG Part 1 examination.
| Author | : R.J. McKinlay Gardner |
| Publisher | : Oxford University Press |
| Total Pages | : 729 |
| Release | : 2018-02-06 |
| Genre | : Medical |
| ISBN | : 019932901X |
Even as classic cytogenetics has given way to molecular karyotyping, and as new deletion and duplication syndromes are identified almost every day, the fundamental role of the genetics clinic remains mostly unchanged. Genetic counselors and medical geneticists explain the "unexplainable," helping families understand why abnormalities occur and whether they're likely to occur again. Chromosome Abnormalities and Genetic Counseling is the genetics professional's definitive guide to navigating both chromosome disorders and the clinical questions of the families they impact. Combining a primer on these disorders with the most current approach to their best clinical approaches, this classic text is more than just a reference; it is a guide to how to think about these disorders, even as our technical understanding of them continues to evolve. Completely updated and still infused with the warmth and voice that have made it essential reading for professionals across medical genetics, this edition of Chromosome Abnormalities and Genetic Counseling represents a leap forward in clinical understanding and communication. It is, as ever, essential reading for the field.
| Author | : Orlando J. Miller |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 508 |
| Release | : 2011-06-28 |
| Genre | : Medical |
| ISBN | : 1461301394 |
The fourth edition of this well-known text provides students, researchers and technicians in the area of medicine, genetics and cell biology with a concise, understandable introduction to the structure and behavior of human chromosomes. This new edition continues to cover both basic and up-to-date material on normal and defective chromosomes, yet is particularly strengthened by the complete revision of the material on the molecular genetics of chromosomes and chromosomal defects. The mapping and molecular analysis of chromosomes is one of the most exciting and active areas of modern biomedical research, and this book will be invaluable to scientists, students, technicians and physicians with an interest in the function and dysfunction of chromosomes.
| Author | : Marilyn S. Arsham |
| Publisher | : John Wiley & Sons |
| Total Pages | : 1216 |
| Release | : 2017-04-24 |
| Genre | : Science |
| ISBN | : 1119061229 |
Cytogenetics is the study of chromosome morphology, structure, pathology, function, and behavior. The field has evolved to embrace molecular cytogenetic changes, now termed cytogenomics. Cytogeneticists utilize an assortment of procedures to investigate the full complement of chromosomes and/or a targeted region within a specific chromosome in metaphase or interphase. Tools include routine analysis of G-banded chromosomes, specialized stains that address specific chromosomal structures, and molecular probes, such as fluorescence in situ hybridization (FISH) and chromosome microarray analysis, which employ a variety of methods to highlight a region as small as a single, specific genetic sequence under investigation. The AGT Cytogenetics Laboratory Manual, Fourth Edition offers a comprehensive description of the diagnostic tests offered by the clinical laboratory and explains the science behind them. One of the most valuable assets is its rich compilation of laboratory-tested protocols currently being used in leading laboratories, along with practical advice for nearly every area of interest to cytogeneticists. In addition to covering essential topics that have been the backbone of cytogenetics for over 60 years, such as the basic components of a cell, use of a microscope, human tissue processing for cytogenetic analysis (prenatal, constitutional, and neoplastic), laboratory safety, and the mechanisms behind chromosome rearrangement and aneuploidy, this edition introduces new and expanded chapters by experts in the field. Some of these new topics include a unique collection of chromosome heteromorphisms; clinical examples of genomic imprinting; an example-driven overview of chromosomal microarray; mathematics specifically geared for the cytogeneticist; usage of ISCN’s cytogenetic language to describe chromosome changes; tips for laboratory management; examples of laboratory information systems; a collection of internet and library resources; and a special chapter on animal chromosomes for the research and zoo cytogeneticist. The range of topics is thus broad yet comprehensive, offering the student a resource that teaches the procedures performed in the cytogenetics laboratory environment, and the laboratory professional with a peer-reviewed reference that explores the basis of each of these procedures. This makes it a useful resource for researchers, clinicians, and lab professionals, as well as students in a university or medical school setting.
