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Author: Miguel Angel Brieño-Enriquez
Publisher: Frontiers Media SA
ISBN: 2889765679
Category : Science
Languages : en
Pages : 287
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Book Description
Author: Miguel Angel Brieño-Enriquez
Publisher: Frontiers Media SA
ISBN: 2889765679
Category : Science
Languages : en
Pages : 287
Get Book Here
Book Description
Author:
Publisher:
ISBN: 9780815332183
Category : Cells
Languages : en
Pages : 0
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Book Description
Author: Barry R. Zirkin
Publisher: Springer Science & Business Media
ISBN: 1461222060
Category : Medical
Languages : en
Pages : 303
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Book Description
An exploration of germ cell development, division, disruption and death, designed for reproductive endocrinologists, microbiologists and physiologists. Topics covered include: cloning and characterization of genes expressed in germ cell lines; spermatological transplantation; and testicular ageing.
Author: Richard Ivell
Publisher: Springer Science & Business Media
ISBN: 1461559138
Category : Medical
Languages : en
Pages : 335
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Book Description
THE FASCINATION The male germ cell is the only cell of the human organism that leaves the body when it has achieved its final, highly sophisticated structure and properties. The male germ cell is designed for one purpose only: to reach the female gametes and to fertilize them. The various stages in the development of the male germ cell are characterized by proliferative phases, by the recombination of the maternal and paternal chromosomes, and by the differentiation and development of a specialized transport vehicle, the spermato zoon. Furthermore, the establishment of a special pool of stem cells, the spermatogonia, guarantees the continuity of the sperm-generation process from puberty to old age. THE FATE OF THE MALE GERM CELL The destiny of any individual germ cell is determined by a program that we know only in fragments. On the one hand every human male is able to produce many billions of germ cells in his lifetime, yet the chance of any single sperm reaching and fertilizing the female germ cell is exceedingly rare. A fertility disturbance means that somewhere during the complicated playing out of the germ cell program mistakes are made, and the program fails. It is still a fact that more than 50% of men presenting with male factor infertility have to be diagnosed as idiopathic, largely because of our lack of knowledge and conse quent lack of appropriate diagnostic tools.
Author: Heide Schatten
Publisher: Humana Press
ISBN: 9781588291219
Category : Science
Languages : en
Pages : 316
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Book Description
All sexually reproducing organisms produce primordial germ cells, a small population of cells that differentiate into gametes of either sex and carry to- potency, an ability to develop into an entire new organism. The study of germ cells has undergone enormous advances in recent years and has entered into an explosive phase of new discoveries with the introduction of transgenic te- nologies and nuclear cloning. Basic knowledge and techniques developed for lower vertebrate and invertebrate systems have facilitated the study of higher vertebrates, including humans. Many experiments that have first been performed on lower vertebrates provided the tools and strategies that could later be applied to other less readily available mammalian systems. The discovery of centrosomes in ascidians and sea urchin eggs now benefits studies of fertility and infertility in mammals. External in vitro fertilization, now a common technique in assisted fertilization, has only been possible as a result of numerous studies in lower systems in which external fertilization is natural. Egg activation, first explored in sea urchin and ascidian eggs, now benefits techniques designed to increase cl- ing efficiency in farm and domestic animals. Gene manipulations and molecular methods have added to the possibilities of producing live offspring with en- mous biomedical, ecological, and economic implications. The two volumes on germ cells combine techniques in a variety of d- ferent systems; we have selected those systems that have provided landmarks in advancing our knowledge on germ cells.
Author: Carlos Simón
Publisher: Cambridge University Press
ISBN: 1107034477
Category : Medical
Languages : en
Pages : 199
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Book Description
Stem cell science has the potential to impact human reproductive medicine significantly - cutting edge technologies allow the production and regeneration of viable gametes from human stem cells offering potential to preciously infertile patients. Written by leading experts in the field Stem Cells in Reproductive Medicine brings together chapters on the genetics and epigenetics of both the male and female gametes as well as advice on the production and regeneration of gene cells in men and women, trophoblasts and endometrium from human embryonic and adult stem cells. Although focussing mainly on the practical elements of the use of stem cells in reproductive medicine, the book also contains a section on new developments in stem cell research. The book is essential reading for reproductive medicine clinicians, gynecologists and embryologists who want to keep abreast of practical developments in this rapidly developing field.
Author: Arlene Chiu
Publisher: Springer Science & Business Media
ISBN:
Category : Science
Languages : en
Pages : 488
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Book Description
A discussion of all the key issues in the use of human pluripotent stem cells for treating degenerative diseases or for replacing tissues lost from trauma. On the practical side, the topics range from the problems of deriving human embryonic stem cells and driving their differentiation along specific lineages, regulating their development into mature cells, and bringing stem cell therapy to clinical trials. Regulatory issues are addressed in discussions of the ethical debate surrounding the derivation of human embryonic stem cells and the current policies governing their use in the United States and abroad, including the rules and conditions regulating federal funding and questions of intellectual property.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309036879
Category : Nature
Languages : en
Pages : 476
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Book Description
The most recent volume in the Drinking Water and Health series contains the results of a two-part study on the toxicity of drinking water contaminants. The first part examines current practices in risk assessment, identifies new noncancerous toxic responses to chemicals found in drinking water, and discusses the use of pharmacokinetic data to estimate the delivered dose and response. The second part of the book provides risk assessments for 14 specific compounds, 9 presented here for the first time.
Author: Albert Altchek
Publisher: Elsevier
ISBN: 008049451X
Category : Medical
Languages : en
Pages : 595
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Book Description
This updated second edition of Diagnosis and Management of Ovarian Disorders provides thorough, yet succinct insight into the ever-changing realm of ovarian disorders. It presents a novel multidisciplinary approach to the subject as described by clinicians, surgeons, pathologists, basic scientists and related medical researchers. Topics covered include reproductive technology, early diagnosis of ovarian cancer, and management of menopause among others. The breadth of information provided by this book will appeal to clinicians and researchers involved in the study and treatment of ovarian disorders. KEY FEATURES* Includes updated information on early diagnosis of ovarian cancer* Reviews new diagnostic techniques for ovarian disorders* Discusses latest information on reproductive technology* Presents translational treatment linking laboratory research with clinical medicine
Author: Hidetaka Katabuchi
Publisher: Springer
ISBN: 9811079412
Category : Medical
Languages : en
Pages : 165
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Book Description
This unique compilation focuses on a very curious organ, the ovary. There are still many unknown facts about the origins of ovarian tissue and ovarian cancer, and each chapter describes in detail the latest insights into the ovary from basic to clinical aspects. Expert authors reveal the most recent findings on ovariogenesis and ovarian carcinogenesis by shedding light on stem cell biology for the ovarian surface epithelial cells or primordial germ cells. Readers will greatly increase their understanding of the relevance of the cells that constitute the ovary, which is of vast significance in comprehending the occurrence mechanism of ovarian tissue and ovarian cancer. In this way the book covers a wide range of fields concerned with the ovary. This work benefits not only gynecologists and obstetricians, but also basic researchers in the field of stem cell biology and all clinicians who are involved in the management of fertility preservation or ovarian cancer.
