Preimplantation Embryo Development
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Preimplantation Embryo Development
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Author : Barry D. Bavister
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Preimplantation Embryo Development written by Barry D. Bavister and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This volume contains the Proceedings of the Serono Symposium on Pre implantation Embryo Development, held in Newton, Massachusetts, in 1991. The idea for the symposium grew out of the 1989 Serono Symposium on Fertilization in Mammals* at which preimplantation development was the predominant suggestion for a follow-up topic. This was indeed a timely subject in view of the recent resurgence of interest in this funda mental phase of embryogenesis and its relevance to basic research and applied fertility studies in humans, food-producing animals, and endangered species. The symposium brought together speakers from a broad range of disciplines in order to focus on key regulatory mechanisms in embryo development, using a wide variety of animal models, and on representative topics in human preimplantation embryogenesis. The culmination of preimplantation development is a blastocyst con taining the first differentiated embryonic tissues and capable of initiating and sustaining pregnancy. The central objective of the symposium was to throw light on the regulation of cellular and molecular events underlying blastocyst formation. It was particularly appropriate that the date of the symposium marked the 20th anniversary of the publication of the classic volume Biology of the Blastocyst, the proceedings of an international workshop held in 1970. This book, which summarized most of the information then available on this topic in mammals, was edited by the pioneer in blastocyst research, Dr. Richard B1andau, who was the guest speaker at the symposium.
The Mammalian Preimplantation Embryo
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Author : Barry D. Bavister
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Mammalian Preimplantation Embryo written by Barry D. Bavister and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
With a few notable exceptions, mammalian preimplantation embryos grown in vitro are likely to exhibit sub-optimal or retarded development. This may be manifested in different ways, depending on the species and on the stage(s) of embryonic development that are being examined. For example, bovine embryos often experience difficulty in cleaving under in vitro conditions, and usually cease development at about the 8-cell stage (Wright and Bondioli, 1981). The block to development is stage-dependent; embryos cultured for 24 hr from the I-cell stage are much more capable of developing into viable blastocysts after transfer to oviducts than embryos cultured for 24 hr from the 4-cell stage prior to transfer (Eyestone et oZ. , 1985). Similar problems with in vitro embryo development are encountered in other species. Pig embryos can be grown up to the 4-cell stage in vitro but usually no further (Davis and Day, 1978). In the golden hamster, in the rat and in many outbred strains of mice, development of zygotes in vitro is blocked at the 2-cell stage (Yanagimachi and Chang, 1964; Whittingham, 1975). Even with some inbred mouse strains, embryo development is reduced if very early cleavage stages are used as the starting point for in vitro culture (Spielmann et oZ. , 1980). A common finding is that embryos grown in vitro have reduced cell counts (Harlow and Quinn, 1982; Kane, 1985) and their viability is reduced (Bowman and McLaren, 1970; Papaioannou and Ebert, 1986) compared to equivalent developmental stages recovered from mated animals.
Preimplantation Embryo Development
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Author : Barry D. Bavister
language : en
Publisher: Springer
Release Date : 1998-07-17
Preimplantation Embryo Development written by Barry D. Bavister and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-07-17 with Science categories.
This volume contains the Proceedings of the Serono Symposium on Pre implantation Embryo Development, held in Newton, Massachusetts, in 1991. The idea for the symposium grew out of the 1989 Serono Symposium on Fertilization in Mammals* at which preimplantation development was the predominant suggestion for a follow-up topic. This was indeed a timely subject in view of the recent resurgence of interest in this funda mental phase of embryogenesis and its relevance to basic research and applied fertility studies in humans, food-producing animals, and endangered species. The symposium brought together speakers from a broad range of disciplines in order to focus on key regulatory mechanisms in embryo development, using a wide variety of animal models, and on representative topics in human preimplantation embryogenesis. The culmination of preimplantation development is a blastocyst con taining the first differentiated embryonic tissues and capable of initiating and sustaining pregnancy. The central objective of the symposium was to throw light on the regulation of cellular and molecular events underlying blastocyst formation. It was particularly appropriate that the date of the symposium marked the 20th anniversary of the publication of the classic volume Biology of the Blastocyst, the proceedings of an international workshop held in 1970. This book, which summarized most of the information then available on this topic in mammals, was edited by the pioneer in blastocyst research, Dr. Richard B1andau, who was the guest speaker at the symposium.
Human Preimplantation Embryo Selection
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Author : Jacques Cohen
language : en
Publisher: CRC Press
Release Date : 2007-09-26
Human Preimplantation Embryo Selection written by Jacques Cohen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-26 with Medical categories.
The most profound dilemma in assisted reproduction to date is the inability to recognize potentially viable embryos before their replacement into the reproductive tract. Application of increasingly advanced new technology has allowed the field of embryo evaluation to evolve rapidly and dramatically over the past five years.Human Preimplantation Emb
Human Gametes And Preimplantation Embryos
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Author : David K. Gardner
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-05-27
Human Gametes And Preimplantation Embryos written by David K. Gardner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-27 with Health & Fitness categories.
In recent years, the advancing science and increasing availability of assisted reproduction have given new hope to infertile couples. However, the use of IVF and ART has also led to marked increases in the number of multiple-infant live births. This poses a public health concern, as these neonates have a higher rate of pre-term delivery, compromising their survival chances and increasing their risk of lifelong disability. By optimizing the selection of gametes and embryos with high probabilities of implantation, it is possible to reduce the number of embryos transferred and, by extension, the number of high-risk multiple gestations, while maintaining or increasing pregnancy rates. Human Gametes and Preimplantation Embryos: Assessment and Diagnosis provides a broad yet concise overview of established and developing methodologies for assessment of gamete and embryo viability in assisted reproduction. This book elucidates the best practices for precisely selecting viable specimens based on morphology and cleavage rate and covers the spectrum of emerging adjunctive technologies for predicting reproductive potential. The authors present their extensive knowledge of “omics” approaches (genomics, transcriptomics, proteomics, and metabolomics), with unbiased delineation of the associated advantages and potential pitfalls. This valuable clinical resource is well suited to infertility specialists, Ob/Gyn physicians, IVF laboratory technicians, and researchers in the fields of embryology and reproductive medicine.
Mammalian Preimplantation Development
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Author :
language : en
Publisher: Academic Press
Release Date : 2016-07-26
Mammalian Preimplantation Development written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-26 with Science categories.
Mammalian Preimplantation Development, the latest volume in the Current Topics in Developmental Biology series covers mammalian preimplantation development, and includes contributions from an international board of authors. The book's chapters provide a comprehensive set of reviews covering such topics as cell proliferation, cell differentiation, and biological significance. Covers the area of mammalian preimplantation development Includes contributions from an International board of authors Provides a comprehensive set of reviews covering such topics as cell proliferation, cell differentiation, and biological significance
Art And The Human Blastocyst
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Author : David K. Gardner
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Art And The Human Blastocyst written by David K. Gardner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
The field of human artificial reproductive technology (ART) is continually advancing and has witnessed significant changes since the inception of Louise Brown in 1978. Though Louise Brown herself was conceived after the trans fer of a blastocyst, there remain significant confusion and debate regarding the stage at which the human embryo conceived in the laboratory should be replaced in the mother. Developments in culture media formulations, leading to the introduction of sequential media, have brought the role of the blasto cyst in human ART back into the spotlight. It was due to this resurgence of interest in the niche of extended culture in human infertility treatment that the symposium on "ART and the Human Blastocyst" was held. of this meeting within this volume bring to the forefront The proceedings the main issues raised with the transfer of embryos at the blastocyst stage. It is evident from the chapters that follow that ART needs to be perceived as a continuum of procedures, each one dependent on the preceding one, and all equally as important as each other. That is to say, the development of a com petent embryo is ultimately dependent on the quality of the gametes from which it was derived. With regard to the oocyte, this then places the emphasis on the physician to use a stimulation protocol that both produces quality oocytes and does not impair endometrial function. Maintenance of gamete and embryo quality is the laboratory's role.
Metabolism And Nutrition Of The Hamster Preimplantation Embryo
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Author : Deborah K. Barnett
language : en
Publisher:
Release Date : 1992
Metabolism And Nutrition Of The Hamster Preimplantation Embryo written by Deborah K. Barnett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Molecular And Clinical Advances In Understanding Early Embryo Development
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Author : Lon J Winkle
language : en
Publisher: Mdpi AG
Release Date : 2023-05-12
Molecular And Clinical Advances In Understanding Early Embryo Development written by Lon J Winkle and has been published by Mdpi AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-12 with Science categories.
This reprint considers a wide variety of topics concerning molecular and clinical advances in understanding early mammalian embryo development. The authors of various chapters of this book examine oocyte biology, preimplantation embryo development, blastocyst implantation in the uterus, and second cellular lineage differentiation. In addition, epigenetic contributions to reproduction, which may occur throughout pregnancy and in resultant offspring, are also considered. Environmentally induced epigenetic changes in germ cells can render mammalian offspring less healthy, and these changes can be difficult to reverse. Included in these changes are those caused by assisted reproductive technologies (ARTs). It remains to be determined whether the healthiest preimplantation embryos develop in vitro in conditions that mimic the physiological environment in vivo or whether simpler conditions can also foster this development in vitro. In this regard, a number of advances as well as challenges in ART are considered by the authors of the chapters included in this book.
Programmed Cell Death During Mammalian Preimplantation Embryo Development Microform Genetic Regulation And Developmental Consequences
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Author : Andrea Jurisicova
language : en
Publisher: National Library of Canada = Bibliothèque nationale du Canada
Release Date : 1998
Programmed Cell Death During Mammalian Preimplantation Embryo Development Microform Genetic Regulation And Developmental Consequences written by Andrea Jurisicova and has been published by National Library of Canada = Bibliothèque nationale du Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.