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Hormonal Carcinogenesis Ii
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Book Synopsis Hormonal Carcinogenesis II by : Jonathan J. Li
Download or read book Hormonal Carcinogenesis II written by Jonathan J. Li and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: These conference proceedings reflect the resurgence of public awareness and research interest in the field of hormonal carcinogenesis, a phenomenon that is largely the result of the widespread use of therapeutic hormonal agents and the causal association of hormones and a variety of cancers, such as breast, prostatic, unterine and cervical. Significant attention is paid to the popular use of oestrogen therapies in women's health care.
Book Synopsis Hormonal Carcinogenesis III by : Jonathan J. Li
Download or read book Hormonal Carcinogenesis III written by Jonathan J. Li and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since our previous symposium in 1995, the pace of research in hormones and cancer has accelerated. Progress in our understanding of hormonal carcinogenic processes has been a direct result of the advances made in cell biology, endocrinology, and carcinogenesis at the molecular level. The newer fields of molecular genetics and cytogenetics already have and are expected to continue to playa major role in furthering our understanding of the cellular and molecular events in hormonal carcinogenesis. It has become increasingly clear that the risk of naturally occurring sex hormones in carcinogenic processes, both in human and in animal models, requires only minute quantities of hormones, at both the serum and tissue levels. Moreover, hormone target tissues for neoplastic transformation, perhaps with the exception of the liver, generally have relatively modest ability to metabolize sex hormones, such as the breast and prostate. Table 1 summarizes the serum, and in most cases, the tissue levels of sex hormones, both endogenously and exogenously ingested, which are associated with increased risk for endocrine-associated cancers such as breast, endometrium, and prostate, as well as the hormone levels of four experimental models that have been shown to elicit high tumor incidences. In contrast to the human, in which the hormone levels are cyclic, however, the latter require continuous hormone exposure at these relatively low levels.
Book Synopsis Hormonal Carcinogenesis IV by : Jonathan J. Li
Download or read book Hormonal Carcinogenesis IV written by Jonathan J. Li and published by Springer Science & Business Media. This book was released on 2006-08-10 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has been over a decade since the First International Symposium on Hormonal Carcinogenesis convened in 199 1. Since then, the field has rapidly expanded with considerable progress in both breast and prostate cancers; while ovarian and endometrial cancer have been hampered, in part, due to the absence of suitable hormone-mediated animal models. While knock-out, transgenic, and cell-culture systems have been extremely useful in identifying specific genelprotein alterations and the ensuing pathways affected, the precise molecular mechanisms whereby sex hormones elicit their oncogenic effects still remain elusive. Moreover, despite the considerable progress made in breast cancer research, the exact role of progestins in the presence or absence of estrogen in breast growth, differentiation, and malignant transformation is lacking. Elucidating the incipient molecular alterations in earlylpre-invasive lesions elicited by these hormones is a growing important focus of this field. The main purpose of these Symposia has been to address vital questions that impact our understanding of the causation, dependency, progression, resistance, and prevention of hormonally-associated cancers. We are indebted to the Scientific Advisory Board members who worked with us reviewing and offering suggestions to finalize the scientific program. We offer special thanks for the guidance and support of Dr. Gerald Mueller. His wisdom played an indispensable role in maintaining the excellence of these Symposia. We also acknowledge the numerous external reviewers that worked diligently to revise and improve the quality of the manuscripts. We are very grateful to Ms. Tandria Price.
Book Synopsis Hormonal Carcinogenesis by : Jonathan J. Li
Download or read book Hormonal Carcinogenesis written by Jonathan J. Li and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past decade there has been a growing public interest and resurgence in research in the field of hormonal carcinogenesis. This is due to the widespread use of therapeutic hormonal agents worldwide and to the increasing awareness of the causal association of hormones, both endogenous and exogenously administered, and a variety of human cancers. These associations include estrogens in uterine, cervical, vaginal, liver, testicular, prostatic, and possible breast cancers; progesterone and progestational hormones in breast cancer; androgens and anabolic steroids in hepatic and prostatic cancers. Additionally, gonadotrophins playa role in the etiology of ovarian and testicular cancers and thyroid-stimulating hormones in thyroid cancers. Therefore, hormonal carcinogenesis encompasses the study of both natural and synthetic hormonal agents, including growth factors and other peptide and protein factors, which contribute substantially to the etiology of both human and animal neoplasms, benign or malignant. Hormones may be involved in all aspects of neoplastic transformation, including initiation, promotion, and progression, and the inhibition of these processes. There are a number of important issues in women's health that need to be addressed. More than 40 million U. S. women are menopausal, and these women have a life expectancy of over 30 years after the menopause. When these figures are multiplied worldwide, the numbers become staggering. After the menopause, estrogen replacement therapy (ERT) is the choice of most women in industrialized countries.
Book Synopsis Hormonal Carcinogenesis V by : Jonathan J. Li
Download or read book Hormonal Carcinogenesis V written by Jonathan J. Li and published by Springer Science & Business Media. This book was released on 2008-04-24 with total page 647 pages. Available in PDF, EPUB and Kindle. Book excerpt: Information gathered from cell-free systems, cell cultures, animal models, and human studies, together provide important insights to our understanding of hormonal cancer causation, development, and prevention; the primary objective of these Symposia. A special emphasis is placed on the two major endocrine-related cancers, that is, breast and prostate. The emerging fields of colon, lung, and pancreatic cancers in relation to hormones are examined.
Book Synopsis Hormonal Carcinogenesis 5 by : Jonathan J. Li
Download or read book Hormonal Carcinogenesis 5 written by Jonathan J. Li and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hormonally Active Agents in the Environment by : National Research Council
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.
Book Synopsis Hormones, Genes, and Cancer by : Brian E. Henderson
Download or read book Hormones, Genes, and Cancer written by Brian E. Henderson and published by Oxford University Press. This book was released on 2003-03-13 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hormonal carcinogenesis is an important and controversial area of current research. In addition to accelerating existing cancers, can hormones play the role of primary carcinogens? How do genetic factors influence hormone-related cancer risk? Hormones, Genes, and Cancer addresses these questions. Over the past few decades, cancer research has focused on external environmental causes(e.g., tobacco smoke, viruses, asbestos). With the advent of new genetic sequencing techniques, we are just now beginning to understand how the body's internal environment(i.e., the hormones and growth factors that determine normal development) influences cancer etiology and prevention. From molecular insights to clinical analyses, this volume provides state-of-the-art information on the complex interactions between hormones and genes and cancer. The epidemiology and molecular endocrinology of prostate, breast, uterine, ovarian and testicular cancer are detailed in this timely treatise.
Book Synopsis Hormonal Carcinogenesis by : Jonathan J. Li
Download or read book Hormonal Carcinogenesis written by Jonathan J. Li and published by Springer. This book was released on 1992-09-23 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past decade there has been a growing public interest and resurgence in research in the field of hormonal carcinogenesis. This is due to the widespread use of therapeutic hormonal agents worldwide and to the increasing awareness of the causal association of hormones, both endogenous and exogenously administered, and a variety of human cancers. These associations include estrogens in uterine, cervical, vaginal, liver, testicular, prostatic, and possible breast cancers; progesterone and progestational hormones in breast cancer; androgens and anabolic steroids in hepatic and prostatic cancers. Additionally, gonadotrophins playa role in the etiology of ovarian and testicular cancers and thyroid-stimulating hormones in thyroid cancers. Therefore, hormonal carcinogenesis encompasses the study of both natural and synthetic hormonal agents, including growth factors and other peptide and protein factors, which contribute substantially to the etiology of both human and animal neoplasms, benign or malignant. Hormones may be involved in all aspects of neoplastic transformation, including initiation, promotion, and progression, and the inhibition of these processes. There are a number of important issues in women's health that need to be addressed. More than 40 million U. S. women are menopausal, and these women have a life expectancy of over 30 years after the menopause. When these figures are multiplied worldwide, the numbers become staggering. After the menopause, estrogen replacement therapy (ERT) is the choice of most women in industrialized countries.
Author :IARC Working Group on the Evaluation of Carcinogenic Risks to Humans Publisher :World Health Organization ISBN 13 : Total Pages :692 pages Book Rating :4.3/5 (91 download)
Book Synopsis Hormonal Contraception and Post-menopausal Hormonal Therapy by : IARC Working Group on the Evaluation of Carcinogenic Risks to Humans
Download or read book Hormonal Contraception and Post-menopausal Hormonal Therapy written by IARC Working Group on the Evaluation of Carcinogenic Risks to Humans and published by World Health Organization. This book was released on 1999 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluates evidence for an increased risk of cancer in women using combined oral contraceptives, progestogen-only hormonal contraceptives, post-menopausal estrogen therapy, and post-menopausal estrogen-progestogen therapy. Although the carcinogenicity of these preparations has been extensively investigated, the book stresses the many complex methodological issues that must be considered when interpreting findings and weighing results. Evidence of an association between use of these preparations and positive effects on health, including a reduced risk of some cancers, is also critically assessed. The first and most extensive monograph evaluates evidence of an association between the use of combined oral contraceptives and cancer at nine sites. Concerning breast cancer, the evaluation concludes that, even if the association is causal, the excess risk for breast cancer associated with patterns of use that are typical today is very small. Studies of predominantly high-dose preparations found an increased risk of hepatocellular carcinoma in the absence of hepatitis viruses. Citing these findings, the evaluation concludes that there is sufficient evidence in humans for the carcinogenicity of combined oral contraceptives. The evaluation also found sufficient evidence for the carcinogenicity of some, but not all, combined preparations in animals. Combined oral contraceptives were classified as carcinogenic to humans. The evaluation also cites conclusive evidence that these agents have a protective effect against cancers of the ovary and endometrium. Progestogen-only contraceptives are evaluated in the second monograph, which considers the association with cancer at six sites. The evaluation found no evidence of an increased risk for breast cancer. Although the evaluation found sufficient evidence in animals for the carcinogenicity of medroxyprogesterone acetate, evidence for the carcinogenicity of progestogen-only contraceptives in humans was judged inadequate. Progestogen-only contraceptives were classified as possibly carcinogenic to humans. The third monograph, on post-menopausal estrogen therapy, considers evidence of an association with cancer at eight sites. Findings from a large number of epidemiological studies indicate a small increase in the risk of breast cancer in women who have used these preparations for five years or more. Studies consistently show an association between use of post-menopausal estrogen therapy and an increased risk for endometrial cancer. Data on the association with other cancers were either inconclusive or suggested no effect on risk. The evaluation concludes that post-menopausal estrogen therapy is carcinogenic to humans. The final monograph evaluates the association between the use of post-menopausal estrogen-progestogen therapy and cancer at four sites. The evaluation of limited data on breast cancer found an increased relative risk observed with long-term use. Data were judged insufficient to assess the effects of past use and of different progestogen compounds, doses, and treatment schedules. For endometrial cancer, the evaluation found an increase in risk relative to non-users when the progestogen was added to the cycle for 10 days or fewer. Post-menopausal estrogen-progestogen therapy was classified as possibly carcinogenic to humans. Concerning post-menopausal therapy in general, the book notes that evidence of carcinogenic risks must be placed in perspective of potential benefits. The prevention of osteoporotic fractures is cited as the best-established benefit. Evidence also suggests that estrogen prevents heart disease and may prevent memory loss and dementia.
Book Synopsis Hormonal Carcinogenesis by : Jonathan J Li
Download or read book Hormonal Carcinogenesis written by Jonathan J Li and published by . This book was released on 1992-09-23 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERBB-2 Expression in Hormonal Carcinogenesis and Studies of Estrogen Homologs by : Muriel M. Liberto
Download or read book ERBB-2 Expression in Hormonal Carcinogenesis and Studies of Estrogen Homologs written by Muriel M. Liberto and published by . This book was released on 1996 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hormones and Carcinogenesis by : Aurel Lupulescu
Download or read book Hormones and Carcinogenesis written by Aurel Lupulescu and published by Praeger Publishers. This book was released on 1983-03-01 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hormones, Genes, and Cancer by : Brian E. Henderson
Download or read book Hormones, Genes, and Cancer written by Brian E. Henderson and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hormonal carcinogenesis is an important and controversial area of research. In addition to accelerating existing cancers, can hormones play the role of primary carcinogens? And how do genetic factors influence hormone-related cancer risk? This work addresses these questions.
Book Synopsis Carcinogenic Hormones by : C.H. Lingeman
Download or read book Carcinogenic Hormones written by C.H. Lingeman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Either deficient or excessive hormone production has been observed with respect to some rather bizarre clinical manifestations. Starting with the synthesis or isolation of pure hormones in the early 30s, estrogens (the female sex hormones) and androgens (the male sex hormones) have become readily available for clinical and other uses and their physiologic activity has been intensively studied. The relationship between hormones and cancer was perhaps one of the earliest research areas in cancer. In the early work of the 20s it was clearly shown in experimental animals that under certain conditions both endogenous and exogenous hormones could induce certain cancers and tumors. More recently, attention has been focused on the use of androgenic anabolic steroids by athletes as body builders and the widescale multiple use of estrogens in terms of carcinogenic hazard. Most striking in recent years are the potential adverse effects of estrogens relevant to sterility, gall bladder disease, and neoplasia. The pervasive environmental hazard contributed by estrogens may arise from variant sources. Such sources may be: (a) endogenous hormones, (b) estrogenic compounds occurring naturally in foods or as fungal con taminants in food stuffs, ( c) estrogens added to livestock feed, (d) estrogenic additives to cosmetics, (e) oral contraceptives, and (f) estrogens used clinically for threatened abortions, lactation suppres sion, menstrual anomalies, and therapeutic treatment of certain forms of cancer.
Book Synopsis Cellular and Molecular Mechanisms of Hormonal Carcinogenesis by : James Huff
Download or read book Cellular and Molecular Mechanisms of Hormonal Carcinogenesis written by James Huff and published by Wiley-Liss. This book was released on 1996-02-22 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cellular and Molecular Mechanisms of Hormonal Carcinogenesis ENVIRONMENTAL INFLUENCES Edited by James Huff, Ph.D., Jeff Boyd, Ph.D., and J. Carl Barrett, Ph.D. The influence of hormonal perturbations on carcinogenesis is attracting increased research attention today—a trend encouraged by the mounting number of both natural and synthetic hormone-mimetic agents found in certain drugs, industrial products or wastes, and elsewhere in the contemporary environment. Cellular and Molecular Mechanisms of Hormonal Carcinogenesis: Environmental Influences offers an authoritative, up-to-date overview of the role of environmental factors in the development of hormonally modulated cancers—as well as a comprehensive account of the latest research into the basic mechanisms of hormonal carcinogenesis in both human and animal models. The text opens with a review of the central issues relevant to environmental factors and hormonal carcinogenesis, including time trends, dietary effects, and chemically induced hormonal cancers. Subsequent sections examine molecular mechanisms and experimental and human mechanistic studies. Finally, the book closes with essays offering unique perspectives on this area, plus a discussion of the potential future of the field. Some of the specific topics covered in the text include: Dietary influences on tumors of hormonal tissues Modulating effects of hormones on carcinogenesis Transplacental hormonal carcinogenesis (diethylstilbestrol as an example) Estrogen as a carcinogen: genetics and molecular biology of human endometrial carcinoma Mechanisms of chemically induced follicular cell carcinogenesis of the thyroid gland Environmental causes of breast cancer: future research directions Featuring contributions from leading experimental and epidemiological researchers, Cellular and Molecular Mechanisms of Hormonal Carcinogenesis: Environmental Influences effectively summarizes the current status of this increasingly important area, and offers valuable data to guide ongoing investigations in the field. Biomedical and clinical researchers in oncology or endocrinology and cell/development biologists—particularly those interested in growth regulation or environmental toxicology—will find this work a stimulating and useful resource.
Download or read book ICRDB Cancergram written by and published by . This book was released on 1986 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: