Hormones and Embryonic Development :Advances in the Biosciences

Publication subTitle :Advances in the Biosciences

Author: Raspé   G.  

Publisher: Elsevier Science‎

Publication year: 2013

E-ISBN: 9781483151717

P-ISBN(Paperback): 9780080182391

P-ISBN(Hardback):  9780080182391

Subject: Q-1 Current Situation and Development of Bioscience

Language: ENG

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Description

Advances in the Biosciences 13: Hormones and Embryonic Development investigates various aspects of hormones and embryonic development, including their physiological and pharmacological effects. More specifically, this volume considers which maternal hormones are essential for normal mammalian embryonic development, as well as the time course of the occurrence of endocrine systems during mammalian fetal development. In addition, it examines the role of maternal or fetal hormones in the induction and differentiation processes during embryonic or fetal development.

Comprised of 13 chapters, this book begins with an analysis of the metabolic effects of insulin and glucagon in fetal and newborn rats, as well as their physiologic significance during the perinatal period in rat and other species. The next chapter deals with sexual differentiation in the rat fetus; how hormones regulate sexual development and disrupt sexual differentiation; the role of progesterone and estrone in pregnant rats fed a protein-free diet; and effects of brain implants of testosterone propionate in newborn hamsters on sexual differentiation. The link between diethylstilbestrol ingestion during pregnancy and development of clear-cell adenocarcinoma in the vagina and cervix of the female offspring is also examined.

This monograph will be of interest to biologists, bioscientists, physiologists, and pharmacologists.

Chapter

Chapter 1. Glucagon and Perinatal Metabolism in the Rat

Abstract

Problem

Material and Methods

Results and Discussion

References

Chapter 2. Sexual Programing of the Rat Fetus and Neonate Studied by Selective Biochemical Testosterone-Depriving Agents

Introduction

Hypothalamic Sex

Anatomic Sex

Sexual Programing of Human Anatomic Sex

Testicular Feminization

Biochemical Sex

Selective Testosterone-Depriving Agents

Development of Testosterone Biosynthesis

Testosterone Deficiency in Congenital Adrenal Hyperplasia

Inhibition of the Oxidoreductase

Animal Models

Critical Periods

Mammary Gland Differentiation

Antibodies to Testosterone

Antibodies to LH:FSH

Progestins and Hypospadias

Congenital Adrenal Hyperplasia Produced by Estradiol-17β

Further Evidence for Explanation of Paradoxic Effects

Specificity and Persistence of Analog Uptake and Action

Pubertal Expression of Programing Defects in the Fetus

Female Hypothalamic Centers Controlling Puberty

Saccharin Preference

Target Organ, Steroid-Metabolizing Enzyme Levels

Castration-Induced Elevation of Adrenal 5α-Reductase

Review

References

Chapter 3. Hormonal Control of Sexual Development

Introduction

History of Experimental Research on Sex Differentiation

The Sex-Dependent Differentiation of the Mammary Gland

Conclusion

References

Chapter 4. Hormone-Induced Disturbances in Sexual Differentiation

Abstract

Introduction

Basic Remarks on Sex Differentiation

Progestogens

Effects of "pure"1) progestogens

Effects of Progestogens with Androgenic = Virilizing, Antiandrogenic = Feminizing, and Paradoxical Side Effects

Androgens and Anabolics

Estrogens

Concluding Remarks

Acknowledgements

References

Chapter 5. The Maintenance of Pregnancy by Progesterone and Estrone in Rats Fed a Protein-Free Diet

Abstract

Introduction

Materials and Methods

Results and Discussion

References

Chapter 6. Effects of Brain Implants of Testosterone Propionate in Newborn Hamsters on Sexual Differentiation

Abstract

Introduction

Methods

Results

Review

References

Chapter 7. Induction of Conditions Leading to Cancer in the Genital Tract by Estrogen During the Differentiation Phase of the Genital Epithelium

Abstract

Introduction

Arguments for an Association between Diethylstilbestrol (DES) Ingestion during Pregnancy and Clear-Cell Adenocarcinoma in the Cervix and Vagina of the Female Offspring

Comments on the Use of DES and the Incidence of Clear-Cell Adenocarcinoma in the Population

The Relationship between Clear-Cell Adenocarcinoma and Vaginal Adenosis

Possible Modes for DES Influencing the Cervicovaginal Epithelium

Conclusion

Acknowledgements

References

Chapter 8. Androgens in Prenatal Development: Behavior Changes in Nonhuman Primates and Men

Abstract

Introduction

Nonhuman Primates: Prenatal Androgenization in Genetic Female Rhesus Monkeys

Androgenic Effects on Human Sexually Dimorphic Behavior

Review

Acknowledgements

References

Chapter 9. A Comparative Endocrinological and Pharmacological View of the Maintenance or Interruption of Pregnancy

Introduction

Maintenance of Pregnancy

Abortive Effects

Conclusion

References

Chapter 10. Steroid Hormone Levels During Pregnancy in Various Species

Abstract

Introduction

Progesterone

Estrogens

Conclusion

References

Chapter 11. Ovarian Steroids in Embryonic Development Before Nidation

Abstract

Introduction

Development of the Blastocyst

Hormone-Sensitive Proteins in Blastocyst Development

Exogenous Estrogens Interrupt Preimplantational Development

Exogenous Progestins are Beneficial for Preimplantational Blastocysts

Steroids in Blastocyst-Uterine Metabolic Relationships

Effect of Steroids on In Vitro Development

Presence and Function of Steroids in Blastocyst Compartments

Ovarian Hormones and Blastocyst Development at Abnormal Conditions

Conclusion

Acknowledgement

References

Chapter 12. Hormone Control of Early Pregnancy

Abstract

Introduction

Hormone Control of Oviductal Functions

Neuronal activity

Oviductal fluid

Hormone Control of Uterine Functions

Implantation

Acknowledgements

References

Chapter 13. Morphology of Development of the Endocrine System in Human Embryos and Fetuses

Acknowledgement

References

Lecturers

Name Index

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