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Author : Emmeline L. Chuu
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (37 download)
Download or read book Mechanisms of Estrogen-mediated Gene Repression written by Emmeline L. Chuu and published by . This book was released on 2009 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph Sin
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (54 download)
Download or read book Mechanisms of Estrogen Receptor Alpha Mediated Transcriptional Repression written by Joseph Sin and published by . This book was released on 2009 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prolonged exposure to increased levels of estrogen has been shown to increase the risk of breast cancer. In addition, estrogen has been shown to cause breast cancer cell proliferation. A common form of breast cancer treatment involved selective estrogen receptor modulation. A molecular explanation of how this works is that estrogen regulates and binds to estrogen receptor (ER), a ligand-dependent transcription factor. ER associated with estrogen induces gene transcription by translocating into the nucleus and binding to estrogen response element. ER also recruits cofactor proteins, which results in chromatin remodeling and gene expression regulation through interacting with histone acetylases or transcriptional machinery. Most studies have focused on the study of how ER can activate gene transcription. Recently, ER has been shown to also repress gene transcription. my research has two parts. The first part was to find genes that were down regulated by estrogen in order to increase the data pool of genes down-regulated by estrogen. Four target genes, ARGN, MGC16169, CALML5, and NFIB are suspected to be involved in down-regulation by ER. However, after conducting validation tests, these genes were determined to not be repressed. The second part includes characterizing the specific effects of co-repressors NCoR, NRIP1, and SMRT. Removal of these co-repressors and subsequent effect of their removal on following four ER target sites, HES1, PSCA, SLC35A1, and MME were studied. A knock down of a single co-repressor did not affect the majority of transcriptional activity in ER repressed target genes. A triple knock down was also conducted in hope that removal of multiple co-repressors might affect repression. However, the triple knock down was a failure and future experiments need to be done. Understanding the mechanisms of ER transcriptional repression would significantly aid the creation of effective treatments for breast cancer.
Author : Philippa D. Darbre
Publisher : Academic Press
ISBN 13 : 0128011203
Total Pages : 390 pages
Book Rating : 4.1/5 (28 download)
Download or read book Endocrine Disruption and Human Health written by Philippa D. Darbre and published by Academic Press. This book was released on 2015-03-21 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Endocrine Disruption and Human Health starts with an overview of what endocrine disruptors are, the issues surrounding them, and the source of these chemicals in the ecosystem. This is followed by an overview of the mechanisms of action and assay systems. The third section includes chapters written by specialists on different aspects of concern for the effects of endocrine disruption on human health. Finally, the authors consider the risk assessment of endocrine disruptors and the pertinent regulation developed by the EU, the US FDA, as well as REACH and NGOs. The book has been written for researchers and research clinicians interested in learning about the actions of endocrine disruptors and current evidence justifying concerns for human health but is useful for those approaching the subject for the first time, graduate students, and advanced undergraduate students. - Provides readers with access to a range of information from the basic mechanisms and assays to cutting-edge research investigating concerns for human health - Presents a comprehensive, translational look at all aspects of endocrine disruption and its effects on human health - Offers guidance on the risk assessment of endocrine disruptors and current relevant regulatory considerations
Author : Simeen Malik
Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.:/5 (69 download)
Download or read book Mechanisms of Estrogen-mediated Repression of Estrogen Receptor Alpha Target Genes written by Simeen Malik and published by . This book was released on 2009 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lawanda Schief
Publisher : Page Publishing Inc
ISBN 13 : 1642148903
Total Pages : 162 pages
Book Rating : 4.6/5 (421 download)
Download or read book Xenobiotic Regulation of Estrogen and Progesterone Receptor - Mediated Gene Expression written by Lawanda Schief and published by Page Publishing Inc. This book was released on 2020-11-08 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Have you ever wondered how chemicals in the environment affect cancer? Well, this book can give you some scientific insight on how common pesticide chemicals and industrial waste can affect the growth of breast cancer cells.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309064198
Total Pages : 453 pages
Book Rating : 4.3/5 (9 download)
Download or read book Hormonally Active Agents in the Environment written by National Research Council and published by National Academies Press. This book was released on 2000-02-03 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some investigators have hypothesized that estrogens and other hormonally active agents found in the environment might be involved in breast cancer increases and sperm count declines in humans as well as deformities and reproductive problems seen in wildlife. This book looks in detail at the science behind the ominous prospect of "estrogen mimics" threatening health and well-being, from the level of ecosystems and populations to individual people and animals. The committee identifies research needs and offers specific recommendations to decision-makers. This authoritative volume: Critically evaluates the literature on hormonally active agents in the environment and identifies known and suspected toxicologic mechanisms and effects of fish, wildlife, and humans. Examines whether and how exposure to hormonally active agents occursâ€"in diet, in pharmaceuticals, from industrial releases into the environmentâ€"and why the debate centers on estrogens. Identifies significant uncertainties, limitations of knowledge, and weaknesses in the scientific literature. The book presents a wealth of information and investigates a wide range of examples across the spectrum of life that might be related to these agents.
Author : Kenneth S. Korach
Publisher : Springer Science & Business Media
ISBN 13 : 9783540402503
Total Pages : 240 pages
Book Rating : 4.4/5 (25 download)
Download or read book New Molecular Mechanisms of Estrogen Action and Their Impact on Future Perspectives in Estrogen Therapy written by Kenneth S. Korach and published by Springer Science & Business Media. This book was released on 2004-06-21 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: From our current knowledge, it is obvious that estrogen action in volves more than reproduction and fertility. Rather, estrogens affect and influence a number of other organ systems such as the immune, cardiovascular and central nervous system as well as the gastrointes tinal tract, urinary tract and skeleton. The importance of estrogens and estrogen receptor activity is appreciated from the spectrum of significant physiological dysfunctions that occur when there is a loss The participants of the workshop VI Preface of the hormone or the receptor activity. Loss of estrogen, however (for instance during menopause), occurs with time and results in a variety of clinical conditions. We know that the developmental loss of estrogen, as seen in clinical cases of aromatase gene mutations and experimental models, has dramatic effects in both men and women alike. The evidence that these effects are mediated through the estrogen receptor(s) is based on similar but not always identical phenotypes as observed in experimental animal models of estrogen receptor mutations as well as the single clinical case of an estrogen receptor alpha mutant patient. Developing an understanding of the spectrum of estrogen in a variety of tissues related to the condition of estrogen loss is a major and highly active clinical as well as basic scientific research area. Following the discovery of a second estrogen receptor and possible receptor ligand-independent activity as well as the genomic and non genomic actions of estrogen, it is clear that the mechanisms of the effects of estrogen are multifaceted.
Author : Radin Aur
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Non-transcriptional Estrogen Signaling Mechanism Affecting Nuclear Localization and De-repression written by Radin Aur and published by . This book was released on 2006 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Subhrangsu S. Mandal
Publisher : John Wiley & Sons
ISBN 13 : 3527322817
Total Pages : 678 pages
Book Rating : 4.5/5 (273 download)
Download or read book Gene Regulation, Epigenetics and Hormone Signaling written by Subhrangsu S. Mandal and published by John Wiley & Sons. This book was released on 2017-10-23 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first of its kind, this reference gives a comprehensive but concise introduction to epigenetics before covering the many interactions between hormone regulation and epigenetics at all levels. The contents are very well structured with no overlaps between chapters, and each one features supplementary material for use in presentations. Throughout, major emphasis is placed on pathological conditions, aiming at the many physiologists and developmental biologists who are familiar with the importance and mechanisms of hormone regulation but have a limited background in epigenetics.
Author : Xiaoting Zhang
Publisher : Humana Press
ISBN 13 : 9783030075934
Total Pages : 432 pages
Book Rating : 4.0/5 (759 download)
Download or read book Estrogen Receptor and Breast Cancer written by Xiaoting Zhang and published by Humana Press. This book was released on 2019-11-08 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The discovery of ER by Dr. Elwood Jensen exactly 60 years ago has not only led to the birth of a whole new vital nuclear receptor research field but also made a rapid, direct and lasting impact on the treatment and prevention of breast cancer. Since that landmark discovery, tremendous progress has been made in our understanding of the molecular functions of ER and development of targeted therapies against ER pathways for breast cancer treatment. However, there is currently no book available addressing these discoveries and recent advancement in a historical and systematic fashion. This book is intended to provide comprehensive, most up-to-date information on the history and recent advancement of ER and breast cancer by world renowned leaders in the field. These chapters include the history of the discovery of ER; physiological and pathological roles of ER; recent discovery of ER cistrome, transcriptome and its regulation of noncoding RNAs such as microRNAs and enhancer RNAs in breast cancer; development and clinical practices of the first targeted therapy Tamoxifen and other antiestrogens for breast cancer treatment; structural basis of ER and antiestrogen actions; molecular insights into endocrine resistance; the role of ER mutants, ER-beta and environmental estrogens in breast cancer; and emerging state-of-the-art therapeutic approaches currently in development to overcome treatment resistance and future perspectives. The book will provide undergraduate and graduate students, basic scientists and clinical cancer researchers, residents, fellows, as well as clinicians, oncology educators and the general public a thorough and authoritative review of these exciting topics.
Author :
Publisher : Academic Press
ISBN 13 : 0123869528
Total Pages : 403 pages
Book Rating : 4.1/5 (238 download)
Download or read book G Protein-Coupled Receptors in Energy Homeostasis and Obesity Pathogenesis written by and published by Academic Press. This book was released on 2013-01-10 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Obesity is an epidemic with enormous health, economic and social burdens. Current drugs for obesity treatment are far from ideal in terms of efficacy and side effects. Reviews in this volume of Progress in Molecular Biology and Translational Science summarize current status in studies of a number of G protein-coupled receptors that were shown to be promising targets for obesity treatments. Some of these receptors also cause monogenic obesity in humans. - Subject matter: obesity is an epidemic and G protein-coupled receptors are promising drug targets, with significant potential as new anti-obesity drugs - Chapters are written by leading experts
Download or read book Estrogen Receptor Ligands and Regulation of Gene Expression written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth Wing Merrell
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (367 download)
Download or read book Mechanisms of Estrogen Receptor Alpha Mediated Transcriptional Suppression written by Kenneth Wing Merrell and published by . This book was released on 2007 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: A better understanding of the molecular mechanisms of ER function will likely provide insight into the role of estrogens and ERs in breast cancer biology. Identification of differential mechanisms of transcriptional repression may suggest potential targets in the treatment of hormone-dependent breast cancers.
Author : Ajay K. Singh
Publisher : Academic Press
ISBN 13 : 0080920462
Total Pages : 534 pages
Book Rating : 4.0/5 (89 download)
Download or read book Textbook of Nephro-Endocrinology written by Ajay K. Singh and published by Academic Press. This book was released on 2009-01-12 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Textbook of Nephro-Endocrinology is the definitive translational reference in the field of nephro-endocrinology, investigating both the endocrine functions of the kidneys and how the kidney acts as a target for hormones from other organ systems. It offers researchers and clinicians expert, gold-standard analyses of nephro-endocrine research and translation into the treatment of diseases such as anemia, chronic kidney disease (CKD), rickets, osteoporosis, and, hypoparathyroidism. - Investigates both the endocrine functions of the kidneys and how the kidney acts as a target for hormones from other organ systems - Presents a uniquely comprehensive and cross-disciplinary look at all aspects of nephro-endocrine disorders in one reference work - Clear translational presentations by the top endocrinologists and nephrologists in each specific hormone or functional/systems field
Author : Malcolm G. Parker
Publisher :
ISBN 13 :
Total Pages : 434 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nuclear Hormone Receptors written by Malcolm G. Parker and published by . This book was released on 1991 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the supergene family made up of those nuclear hormone receptors which recognize thyroid and steroid hormones, vitamen D and retinoic acid and which are characterized by their ability to bind both ligands and the genes which respond to them.
Author : Smitha P. Sripathy
Publisher :
ISBN 13 :
Total Pages : 262 pages
Book Rating : 4.:/5 (261 download)
Download or read book Mechanisms of Transcriptional Regulation written by Smitha P. Sripathy and published by . This book was released on 2008 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Mdpi AG
ISBN 13 : 9783038972969
Total Pages : 304 pages
Book Rating : 4.9/5 (729 download)
Download or read book Molecular Pathways of Estrogen Receptor Action written by and published by Mdpi AG. This book was released on 2018-10-16 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Estrogen receptors (ERs) are typical members of the superfamily of nuclear receptors that mainly function as ligand-inducible transcription factors that bind chromatin, as homodimers, at specific response elements. A tight reciprocal coupling between rapid 'non-genomic' and 'genomic' ER actions may also occur in many physiological processes. ERs have long been evaluated for their roles in controlling the expression of genes involved in vital cellular processes such as proliferation, apoptosis, and differentiation. Therefore, given the various and pleiotropic functions of ERs, the dysregulation of their pathways contributes to several diseases such as the hormone-dependent breast; endometrial and ovarian cancers; and neurodegenerative diseases, cardiovascular diseases, and osteoporosis. In this printed edition of the Special Issue, "Molecular Pathways of Estrogen Receptor Action," promising results on understanding the mechanisms underlying ER-mediated effects in various pathophysiological processes are represented, covering different roles of ER pathways in the tumorigenesis, the resistance to endocrine therapy, the dynamics of 3D genome organization, and cross-talk with other signaling pathways. This Special Issue also provides insight into the emerging roles of estrogen-signaling pathways in lung cancer, the tumor microenvironment, and the immune system.]
