Aromatase Activity In The Brain Of Medaka And Its Regulation By Sex Steroids PDF Download
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Author | : Ana Clara Lesus de Melo Rodrigues |
Publisher | : |
Total Pages | : 372 |
Release | : 2001 |
Genre | : |
ISBN | : |
Download Aromatase Activity in the Brain of Medaka and Its Regulation by Sex Steroids Book in PDF, ePub and Kindle
Author | : JSG Edmunds |
Publisher | : |
Total Pages | : 13 |
Release | : 1999 |
Genre | : Androgens |
ISBN | : |
Download Localization and Sex Steroid Regulation of Brain Aromatase Activity Book in PDF, ePub and Kindle
We performed assays for aromatase activity in serial 200 ?m sections of the three orthogonal planes of the brain and produced a three dimensional reconstruction of aromatase levels in Medaka (Oryzias latipes) brain. The regulation of this brain aromatase activity by sex steroids was then examined by in vivo exposure bioassays. We demonstrate that the activity of brain aromatase is localized to an area that contains the hypothalamus, a region of the brain involved in the regulation of the reproductive function. The exposure of Medaka to estradiol lead to increased brain aromatase levels; whereas, exposure to methyl-testosterone lead to decreased brain aromatase levels. The regulation of brain aromatase levels by both product and substrate may provide a sensitive trigger for environmental cues to alter sex behavior.
Author | : Jacques Balthazart |
Publisher | : Oxford University Press |
Total Pages | : 553 |
Release | : 2012-11-15 |
Genre | : Medical |
ISBN | : 0199841195 |
Download Brain Aromatase, Estrogens, and Behavior Book in PDF, ePub and Kindle
This book concerns how estrogens are synthesized in the brain and their two modes of action on behavior: a slow process involving gene transcription and a faster action at the cell membrane. The significance of the regulation and distribution of the estrogen synthesizing enzyme aromatase in the brain is also highlighted.
Author | : |
Publisher | : |
Total Pages | : 642 |
Release | : 2001 |
Genre | : Environmental health |
ISBN | : |
Download Environmental Health Perspectives Book in PDF, ePub and Kindle
Author | : Diane Susan Henshel |
Publisher | : ASTM International |
Total Pages | : 500 |
Release | : 1999 |
Genre | : Biochemical markers |
ISBN | : 0803126182 |
Download Environmental Toxicology and Risk Assessment Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 918 |
Release | : 2005 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle
Author | : Minoru Tanaka |
Publisher | : Springer Nature |
Total Pages | : 231 |
Release | : 2022-11-07 |
Genre | : Science |
ISBN | : 9811953597 |
Download Spectrum of Sex Book in PDF, ePub and Kindle
This book introduces cutting-edge studies on the spectrum of sex. The sex spectrum can be understood as an interwoven mechanism sustaining graded phenotypes between the two sexes. The book overviews three elements that develop the sex spectrum: genetics, the endocrine system, and the environment. Part I discusses the genetic regulation during sex determination, which often results in a mixture of two sexes or sex reversal. The evolutionary aspects of the genetic determinants are also discussed. Part II presents the involvement of endocrine regulation in the sex spectrum, which covers a broad range of phenotypic events, including sexual behavior and metabolism. Interestingly, sex hormones can also act as sex determinants. Finally, Part III shows that intrinsic factors, such as sex-determining genes and sex hormones, are not the only factors in sex development. The environment surrounding organisms, such as symbiosis and metabolism, act on the sex as critical factors, generating the sex spectrum. Determination and development of the two sexes have been a topic of great interest and a long-standing issue in biology. The book updates the conventional view that biological sex is fixed after birth and sets new perspectives for understanding sex as a spectrum manifested in multiple phenomena. Each chapter contributed by leading experts explains the sex spectrum in various organisms and their underlying mechanisms from the latest ongoing studies. The book provides a valuable resource for not only experts in developmental biology, physiology, and medical science, but also non-scientists and anyone interested in the topic.
Author | : Linda Caroline Hall |
Publisher | : |
Total Pages | : 306 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download Estrogenic and Reproductive Effects of the Herbicide Surflan(TM) and Its Active Ingredient Oryzalin Book in PDF, ePub and Kindle
Author | : Carlos Beyer |
Publisher | : Raven Press (ID) |
Total Pages | : 428 |
Release | : 1979 |
Genre | : Medical |
ISBN | : |
Download Endocrine Control of Sexual Behavior Book in PDF, ePub and Kindle
Author | : David Norris |
Publisher | : Academic Press |
Total Pages | : 297 |
Release | : 2011-05-04 |
Genre | : Technology & Engineering |
ISBN | : 0080962297 |
Download Hormones and Reproduction of Vertebrates, Volume 1 Book in PDF, ePub and Kindle
This series of volumes represents a comprehensive and integrated treatment of reproduction in vertebrates from fishes of all sorts through mammals. It is designed to provide a readable, coordinated description of reproductive basics in each group of vertebrates as well as an introduction to the latest trends in reproductive research and our understanding of reproductive events. Whereas each chapter and each volume is intended to stand alone as a review of that topic or vertebrate group, respectively, the volumes are prepared so as to provide a thorough topical treatment across the vertebrates. Terminology has been standardized across the volumes to reduce confusion where multiple names exist in the literature, and a comprehensive glossary of these terms and their alternative names is provided. A complete, essential and up to date reference for research scientists working on vertebrate hormones and reproduction - and on animlals as models in human reproductive research Covers the endocrinology, neuroendocrinology, physiology, behaviour and anatomy of vertebrate reproduction Structured coverage of the major themes for all five vertebrate groups allows a consistent treatment for all Special chapters elaborate on features specific to individual vertebrate groups and to comparative aspects, similarities and differences between them