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Books > Medicine > Clinical & internal medicine > Diseases & disorders > Oncology > General

The Sentinel Lymph Node Concept (Hardcover, 2005 ed.): Alfred Schauer, Wolfgang Becker, Maximilian F. Reiser, Kurt Possinger The Sentinel Lymph Node Concept (Hardcover, 2005 ed.)
Alfred Schauer, Wolfgang Becker, Maximilian F. Reiser, Kurt Possinger
R5,384 Discovery Miles 53 840 Ships in 18 - 22 working days

The Sentinel Lymph Node Concept is evaluated from the points of view of pathology, radiodiagnosis and nuclear medicine diagnostics, surgical treatment and clinical oncology. The concept and its practical applications are analyzed for breast cancer, malignant melanoma, tumors of the face, oropharynx, lung, gastrointestinal and urogenital tracts. The first part of the book describes the function and use of the nuclear medicine equipment, the tracers used, colloid solutions and modern developments in histological and immunohistochemical lymph node investigations, as well as possible pitfalls. The consequences of false-negative results are clearly delineated. In the second part, specific tumor-related problems are described.

Cell Signaling & Molecular Targets in Cancer (Hardcover, 2012): Malay Chatterjee, Khosrow Kashfi Cell Signaling & Molecular Targets in Cancer (Hardcover, 2012)
Malay Chatterjee, Khosrow Kashfi
R4,052 Discovery Miles 40 520 Ships in 18 - 22 working days

This book provides an overview of critical components of cell signaling machinery and its role in epithelial morphogenesis, proliferation, invasions and angiogenesis in human cancer and discusses novel types of protein kinase pathways.

Environmental Epigenomics in Health and Disease - Epigenetics and Complex Diseases (Hardcover, 2013 ed.): Randy L Jirtle,... Environmental Epigenomics in Health and Disease - Epigenetics and Complex Diseases (Hardcover, 2013 ed.)
Randy L Jirtle, Frederick L. Tyson
R6,250 Discovery Miles 62 500 Ships in 18 - 22 working days

There are now compelling human epidemiological and animal experimental data that indicate the risk of developing adult-onset complex diseases and neurological disorders are influenced by persistent epigenetic adaptations in response to prenatal and early postnatal exposures to environmental factors. Epigenetics refers to heritable changes in gene function that occur without a change in the sequence of the DNA. The main components of the epigenetic code are DNA methylation, histone modifications, and non-coding RNAs. The epigenetic programs are established as stem cell differentiate during embryogenesis, and they are normally faithfully reproduced during mitosis. Moreover, they can also be maintained during meiosis, resulting in epigenetic transgenerational disease inheritance, and also potentially introducing phenotypic variation that is selected for in the evolution of new species. The objective of this two volumebook is to provide evidence that environmental exposures during early development can alter the risk of developing medical conditions, such as asthma, autism, cancer, cardiovascular disease, diabetes, obesity, and schizophrenia later in life by modifying the epigenome. Consequently, epigenetic research promises to markedly improve our ability to diagnosis, prevent, and treat the pathological conditions of humans; however, it also introduces unique legal and ethical issues. This volume highlights the correlation between environmental factors and complex diseases, such as autism, addiction, neurological diseases, diabetes, obesity and cancer. It concludes with a chapter on legal and ethical implications of epigenetics. "

Vesicle Trafficking in Cancer (Hardcover, 2013 ed.): Yosef Yarden, Gabi Tarcic Vesicle Trafficking in Cancer (Hardcover, 2013 ed.)
Yosef Yarden, Gabi Tarcic
R5,940 R4,808 Discovery Miles 48 080 Save R1,132 (19%) Ships in 10 - 15 working days

Endocytosis and vesicular trafficking determine the landscape of the cell's exterior, namely the density of surface molecules, such as receptors for growth factors and cytokines, adhesion molecules like integrins and cadherins, and a plethora of nutrient carriers. Hence, endocytosis is involved in signal transduction, cell adhesion and migration, as well as metabolism. To exploit these fundamental processes, malignancies subtly and multiply manipulate the endocytosis and the subsequent trafficking of protein cargoes. This is achieved by simultaneously altering the cytoskeleton, vesicle budding, cargo sorting and intracellular degradation. By highlighting the underlying molecular processes and concentrating on specific examples, this book reviews the recent emergence of derailed endocytosis and vesicular trafficking as a landmark of cancer. In-depth understanding of this common feature of tumors might lead the way to drug-induced strategies, able to rectify intracellular trafficking in cancer.

Diagnosis, Prevention and Management of T-Cell Leukemia (Hardcover): George Singer Diagnosis, Prevention and Management of T-Cell Leukemia (Hardcover)
George Singer
R1,779 R1,645 Discovery Miles 16 450 Save R134 (8%) Ships in 18 - 22 working days
Urologic Oncology (Hardcover, New edition): Herbert Lepor, Timothy L. Ratliff Urologic Oncology (Hardcover, New edition)
Herbert Lepor, Timothy L. Ratliff
R5,279 Discovery Miles 52 790 Ships in 18 - 22 working days

Where do you begin to look for a recent, authoritative article on the diagnosis or management of a particular malignancy? The few general oncology text books are generally out of the date. Single papers in specialized journals are informative but seldom comprehensive; these are often preliminary reports on a very limited number of patients. Certain general journals frequently publish good in depth reviews of cancer topics, and published symposium lectures are often the best overviewes available. Unfortunately, these reviews and supplements appear sporadically, and the reader can never be sure when a topic of special interest will be covered. Cancer Treatment and Research is a series of authoritative volumes which aim to meet this need. it is an attempt to establish a critical mass of oncology literature covering virtually all oncology topics, revised frequently to keep the coverage up to date, easily available on a single library shelf or by a single personal subscription. We have approached the problem in the following fashion. First, by dividing the oncology literature into specific subdivisions such as lung cancer, genito urinary cancer, pediatric oncology, etc. Second, by asking eminent authori ties in each of these areas to edit a volume on the specific topic on an annual or biannual basis. Each optic and tumor type is covered in a volume appear ing frequently and predictably, discussing current diagnosis, staging, markers, all forms of treatment modalities, basic biology, and more."

Cancer Genetics (Hardcover, 2010): Boris Pasche Cancer Genetics (Hardcover, 2010)
Boris Pasche
R2,640 Discovery Miles 26 400 Ships in 18 - 22 working days

Cancer Genetics is a collection of chapters covering the key recent developments in cancer genetics which have an impact on clinical care. The target audience will be physicians and scientists who need to be apprised on the most recent developments in the field.

Head & Neck Cancer: Current Perspectives, Advances, and Challenges (Hardcover, 2013 ed.): James A. Radosevich Head & Neck Cancer: Current Perspectives, Advances, and Challenges (Hardcover, 2013 ed.)
James A. Radosevich
R5,356 Discovery Miles 53 560 Ships in 18 - 22 working days

This is a nearly complete collection of Chapters that provide an up to date overview of all aspects of Head and Neck cancer. It is written by professionals but is not only intended for other professionals, but students, patients, policy makers, etc. There are so many aspects to this group of diseases that even the most seasoned professional will learn something from having read this book.

Hemostatic Mechanisms and Metastasis (Hardcover, 1984 ed.): Kenneth V. Honn, Bonnie F. Sloane Hemostatic Mechanisms and Metastasis (Hardcover, 1984 ed.)
Kenneth V. Honn, Bonnie F. Sloane
R5,389 Discovery Miles 53 890 Ships in 18 - 22 working days
Inflammation and Lung Cancer (Hardcover, 2015 ed.): Steven M. Dubinett Inflammation and Lung Cancer (Hardcover, 2015 ed.)
Steven M. Dubinett
R4,391 R3,320 Discovery Miles 33 200 Save R1,071 (24%) Ships in 10 - 15 working days

In recent years there have been various discoveries connecting inflammation and lung cancer and clearly there is growing interest in this area of cancer research. The link between unresolved inflammation and cancer has been well established with estimates that 15% of cancer deaths are inflammation-related. Evidence for this link includes the following: a) some inflammatory diseases are associated with increased risk of cancer development; b) inflammatory mediators are present surrounding and within most tumors; c) overexpression of inflammatory cytokines increases cancer development and progression in murine studies; d) inhibition of inflammatory mediators decreases cancer development and progression; and e) the use of non-steroidal anti-inflammatory drugs (NSAIDs) has been found to decrease cancer incidence and delay progression. The volume will present aspects of the inflammatory tumor microenvironment (TME), its many roles in tumor progression and metastasis, including creation of a hypoxic environment, increased angiogenesis and invasion, changes in expression of micro-RNAs (miRNAs) and an increase in a stem cell phenotype. The book will also cover the mechanisms of inflammatory mediators. Chronic overexpression of inflammatory mediators in the TME, as seen in smokers and patients with non-small cell lung cancer (NSCLC), can also lead to increased tumor initiation, progression, invasion and metastasis. The volume will provide a comprehensive perspective of the latest findings and summaries of progress made regarding inflammation and its connection to lung cancer.

Hematologic Cancers: From Molecular Pathobiology to Targeted Therapeutics (Hardcover, 2012 ed.): Jianguo Tao, Eduardo Sotomayor Hematologic Cancers: From Molecular Pathobiology to Targeted Therapeutics (Hardcover, 2012 ed.)
Jianguo Tao, Eduardo Sotomayor
R4,081 Discovery Miles 40 810 Ships in 18 - 22 working days

In the last decade, there has been a remarkable explosion of knowledge in hematologic cancer from basic molecular biology and pathology to clinical therapy. This has led to many new advance and insights in the understanding of pathobiology of malignant hematology. New knowledge of disease molecular pathology, cytogenetic, epigenetic and genomic alterations have provided new strategies to attack and eradicate tumor cells at molecular level and significantly impacted our current therapeutics for hematological malignancies. The recent and ongoing rapid expansion of knowledge in this area has become extensive, dynamic and diffuse over the literature and research publications. This has led to the need to capture and compile the new and current information about hematologic cancer with special emphasis on translation from molecular pathobiology to targeted therapeutics. In this book experts from around the world share their thoughts and knowledge about the pathobiology of hematologic cancer, as well as their view on current treatment approaches and future development in these malignant hematologic diseases. This book is well suited for hematology residents, fellows and hematology-oncology physicians, hematopathologist as well as basic research scientist in the area of hematologic malignancies.

Mechanisms of Cancer Metastasis - Potential Therapeutic Implications (Hardcover, 1986 ed.): Kenneth V. Honn, William E. Powers,... Mechanisms of Cancer Metastasis - Potential Therapeutic Implications (Hardcover, 1986 ed.)
Kenneth V. Honn, William E. Powers, Bonnie F. Sloane
R5,382 Discovery Miles 53 820 Ships in 18 - 22 working days

The past twenty years have witnessed significant advances in the treatment of cancer by surgery and radiation therapy. Gains with cytotoxic chemotherapy have been much more modest. Of the approximately 900,000 newly diagnosed cases of cancer each year, 50010 result in death of the patient. The primary cause of these deaths is metastasis. Although the term metastasis was first coined by Recamier in 1829, only in the past ten years have there been intensive scientific investigations into the mechanisms by which tumor cells metastasize. What has emerged is a complex process of host-tumor cell interactions which has been termed the metastatic cascade. Due to the complexity of the metastatic process, the study of metastasis is multifaceted and involves elements of such areas as differentiation, en zymology, genetics, hematology, immunology, membrane biochemistry and molecular biology. The major objectives of this book were to present the most recent advances in our understanding of how tumor cells metastasize to secondary sites by the leading experts in the biology of tumor invasion and metastasis. We hope that this book will lead to new concepts for the treatment of subclinical metastatic cancer. The chapters in this book address both the basic science of metastasis and potential clinical therapies directed toward interruption of the metastatic cascade or toward eradication of subclinical metastases. Many relevant topics have been omitted due to space considerations and thus the topics included reflect the prej udices of the editors."

Oncology of the Nervous System (Hardcover, 1983 ed.): Michael D. Walker Oncology of the Nervous System (Hardcover, 1983 ed.)
Michael D. Walker
R5,374 Discovery Miles 53 740 Ships in 18 - 22 working days

Where do you begin to look for a recent, authoritative article on the diagnosis of management of a particular malignancy? The few general oncology textbooks are generally out of date. Single papers in specialized journals are informative but seldom comprehensive; these are more often preliminary reports on a very limited number of patients. Certain general journals frequently publish good in depth reviews of cancer topics, and published symposium lectures are often the best overviews available. Unfortunately, these reviews and supplements appear sporadically, and the reader can never be sure when a topic of special interest will be covered. Cancer Treatment and Research is a series of authoritative volumes which aim to meet this need. It is an attempt to establish a critical mass of oncology literature covering virtually all oncology topics, revised frequently to keep the coverage up to date, easily available on a single library shelf or by a single per sonal subscription. We have approached the problem in the following fashion. First, by dividing the oncology literature into specific subdivisions such as lung cancer, genitourinary cancer, pediatric oncology, etc. Second, by asking eminent authorities in each of these areas to edit a volume on the specific topic on an an nual or biannual basis. Each topic and tumor type is covered in a volume appear ing frequently and predictably, discussing current diagnosis, staging, markers, all forms of treatment modalities, basic biology, and more."

Nutraceuticals and Cancer (Hardcover, 2012): Fazlul H Sarkar Nutraceuticals and Cancer (Hardcover, 2012)
Fazlul H Sarkar
R4,065 Discovery Miles 40 650 Ships in 18 - 22 working days

This book is about Nutraceuticals in cancer therapy, specifically targeted and Adjuvant therapy. It shows several approaches for possibly reducing systemic toxicity. This book illustrates the role of several dietary agents, collectively called nutraceuticals or natural agents in the prevention and/or treatment of human malignancies known to be mediated through alterations in multiple molecular targets. This book contains sixteen chapters which begin with historical perspective on the value of natural agents in the prevention of human malignancies followed by a series of current topics on multiple nutraceuticals targeting multiple cancers. This collection would likely be useful for bringing newer generations with broader perspectives in launching cutting-edge innovative molecular research, which would certainly help in designing targeted clinical trials in order to realize the dream of customize strategies for the prevention and/or treatment of human malignancies without causing any systemic toxicity. Moreover, the knowledge gained would allow novel utilization of nutraceuticals as adjunct to both conventional chemotherapy and radiation therapy in order to improve the overall quality of life and survival of patients diagnosed with cancers.

Fundamental Problems in Breast Cancer - Proceedings of the Second International Symposium on Fundamental Problems in Breast... Fundamental Problems in Breast Cancer - Proceedings of the Second International Symposium on Fundamental Problems in Breast Cancer Held at Banff, Alberta, Canada April 26-29, 1986 (Hardcover, 1987 ed.)
Alexander H.G. Paterson, Alan W. Lees
R5,371 Discovery Miles 53 710 Ships in 18 - 22 working days

The chapters in this book are those presented at the Second International Symposium on Fundamental Problems in Breast Cancer held at Banff, Alberta, April 26-29, 1986. This is, therefore, the second volume in the series of symposia held in the Canadian Rockies. The aim of these symposia is to provide a supportive atmosphere for the development of new concepts as well as for the presentation of high quality scientific data. This is reflected in the chapters presented here. Many of the chapters put forward new hypotheses which will be tested in the clinic or laboratory in the next few years. In choosing the subjects for discourse, we preferred to tackle areas where controversy existed, and in this book we have grouped the chapters around discussion themes. The relative merits of mammography and physical examination in the detection of small lesions within the breast and the natural history of these lesions were important topics at the symposium, and the results of early detection studies will have a major effect on health care costs. We have devoted a large section of this book to this subject. The mechanism of growth and response of endocrine sensitive tumors and current concepts of the statistics and cost-benefit assessment of adjuvant chemotherapy trials comprise two other sections of the book where original and stimulating ideas were presented.

Nitric Oxide (NO) and Cancer - Prognosis, Prevention, and Therapy (Hardcover, 2010): Benjamin Bonavida Nitric Oxide (NO) and Cancer - Prognosis, Prevention, and Therapy (Hardcover, 2010)
Benjamin Bonavida
R5,253 Discovery Miles 52 530 Ships in 18 - 22 working days

Nitric Oxide (NO) is a pleitropic, ubiquitous modulator of cellular functions. Aryl nitrite and glyceryl trinitrate, representative intravasadilators, were introduced as therapeutic agents more than a century ago for relief from acute attacks of angina. The vasodilator action is mediated by the release of NO following treatment. NO has important therapeutic applications in several diseases such as inflammatory diseases, erectile dysfunction, inflammation, pain and neural protective activity. However, the role of NO in cancer and its application in therapy has received little attention. This monograph will be the first to focus on studies that investigate the role of NO in tumor cell pathogenesis, growth, angiogenesis, response to cytotoxic therapies and NO translational applications in cancer therapy, alone or in conjunction with other therapies.

Molecular Pathogenesis and Signal Transduction by Helicobacter pylori (Hardcover, 1st ed. 2017): Nicole Tegtmeyer, Steffen... Molecular Pathogenesis and Signal Transduction by Helicobacter pylori (Hardcover, 1st ed. 2017)
Nicole Tegtmeyer, Steffen Backert
R4,768 Discovery Miles 47 680 Ships in 18 - 22 working days

This volume reviews the current state of research concerning bacterial virulence factors and the infection biology of Helicobacter pylori, which is the leading cause of peptic ulcers and gastric cancer worldwide. The chapters include cutting-edge findings on this fascinating microbe and discuss the general strategies of H. pylori infection and persistence, news on important H. pylori virulence factors, crosstalk with the microbiota, hot novel models and signaling mechanisms, risk factors of gastric disease and stomach cancer, and the impact of H. pylori infection on non-gastric diseases. Written by internationally respected scientists, this book will appeal to clinicians, researchers and advanced students alike.

Physical Activity and Cancer (Hardcover, 2011 ed.): Kerry S. Courneya, Christine M. Friedenreich Physical Activity and Cancer (Hardcover, 2011 ed.)
Kerry S. Courneya, Christine M. Friedenreich
R6,324 Discovery Miles 63 240 Ships in 18 - 22 working days

This book explores in depth the relation between physical activity and cancer control, including primary prevention, coping with treatments, recovery after treatments, long-term survivorship, secondary prevention, and survival. The first part of the book presents the most recent research on the impact of physical activity in preventing a range of cancers. In the second part, the association between physical activity and cancer survivorship is addressed. The effects of physical activity on supportive care endpoints (e.g., quality of life, fatigue, physical functioning) and disease endpoints (e.g., biomarkers, recurrence, survival) are carefully analyzed. In addition, the determinants of physical activity in cancer survivors (e.g., medical, social cognitive, environmental) are discussed, and behavior change strategies for increasing physical activity in cancer survivors (e.g., counseling, print materials) are appraised. The final part of the book is devoted to further special topics, including the relation of physical activity to pediatric cancer survivorship and to palliative cancer care.

Breast Care - A Clinical Guidebook for Women's Primary Health Care Providers (Hardcover, 1999 ed.): William H. Hindle Breast Care - A Clinical Guidebook for Women's Primary Health Care Providers (Hardcover, 1999 ed.)
William H. Hindle
R5,283 Discovery Miles 52 830 Ships in 18 - 22 working days

Breast Care: A Clinical Guidebook for Women's Primary Health Care Providers presents the expertise and protocols of the renowned Breast Diagnostic Center at USC School of Medicine's Department of Obstetrics and Gynecology. A user-friendly reference for the primary care physician, this book details the management of both benign and malignant breast diseases. Topics include: * the clinical examination and instruction for self-exam * mammography for both screening and diagnosis, management of the abnormal mammogram * lactation and breast feeding * diagnosis and treatment of lumps, cysts, fibroadenomas * fine-needle aspiration and ultrasound guided tissue core needle biopsy * evaluation and management of mastalgia * menstrual and hormonal therapy effects on the breast * the cosmetically treated breast * guidelines for follow-up and surveillance An important section on consultation and referrals reviews the roles of the radiologist, oncologist, and surgeon and provides the primary care physician with the information necessary to counsel the patient on the myriad aspects of multidisciplinary treatment planning. The text includes more than 100 illustrations and algorithms -- with 16 in color -- as well as "Practice Guides" which organize the key practice points, signs, and symptoms. This is a must-have handbook for all providers of health care to women.

Adjuvant Therapy of Breast Cancer (Hardcover, 1992 ed.): I.Craig Henderson Adjuvant Therapy of Breast Cancer (Hardcover, 1992 ed.)
I.Craig Henderson
R5,514 Discovery Miles 55 140 Ships in 18 - 22 working days

The results of randomized trials evaluating the use of early or adjuvant systemic treatment for patients with resectable breast cancer provide an eloquent rebuttal to those who would argue that we have made no progress in the treatment of cancer. Many of the tumors that we have been most successful in curing with chemotherapy and other newer forms of treatment are relatively uncommon. In contrast, breast cancer continues to be the single most common malignancy among women in the western world, is increasingly a cause of death throughout Asia and Third-World countries, and remains one of the most substantial causes of cancer mortality world wide. The use of mammography as a means of early detection has been shown to reduce breast cancer mortality by 25-35% among those popu lations in which it is utilized. The use of adjuvant systemic treatment in appropriate patients provides a similar (and additional) reduction in breast cancer mortality. Few subjects have been so systematically studied in the history of medicine, and it seems fair to conclude that the value to adjuvant systemic therapy in prolonging the lives of women with breast cancer is more firmly supported by empirical evidence than even the more conventional or primary treatments using various combinations ofsurgery and radiotherapy."

Nutrition and Cancer Prevention - New Insights into the Role of Phytochemicals (Hardcover, 2001 ed.): American Institute for... Nutrition and Cancer Prevention - New Insights into the Role of Phytochemicals (Hardcover, 2001 ed.)
American Institute for Cancer Research
R5,336 Discovery Miles 53 360 Ships in 18 - 22 working days

Recent advances have contributed to our understanding of how a plant-based diet confers many health advantages and how substances from plants may be effective in the prevention of specific cancers. The Ninth Annual Research Conference of the American Institute for Cancer Research has focused on the latest developments in several categories of nutrients of wide contemporary interests. The conference sessions included such topics as the effects of soy, green tea, selenium, wine, grapes, and spices in cancer prevention. This conference was held in Washington, D.C. on September 2nd and 3rd, 1999, and was entitled Nutrition and Cancer Prevention: New Insights Into the Roles of Phytochemicals. The discussion program included a session that was devoted to the current status of herbal products in relation to cancer prevention, in recognition of the increasing attention that complementary and alternative medicine has been receiving from the scientific community as well as the general public. A separate presentation addressed the issue of nutritional supplements and cancer prevention.

Lung Cancer: Basic and Clinical Aspects - Basic and Clinical Aspects (Hardcover, 1986 ed.): Heine H. Hansen Lung Cancer: Basic and Clinical Aspects - Basic and Clinical Aspects (Hardcover, 1986 ed.)
Heine H. Hansen
R4,164 Discovery Miles 41 640 Ships in 18 - 22 working days

Lung cancer is one of the biggest challenges in oncology today. The challenge is due to the recognition of the possibility of prevention in at least 70-80 % of all the cases and the extreme difficulties encountered in the treatment of this neoplasm. Despite the knowledge of prevention measures such as cessation of cigarette smoking the incidence continues to increase in many countries. The increase is particularly notable in females in the west ernized countries where the death rate in females in certain regions sur passes that of breast cancer. Furthermore, in many developing countries lung cancer is now being diagnosed with increasing frequency in both sexes and it is expected to be a major cause of death in those countries later in this century or the beginning of next century if the tobacco consumption will continue its rapid rise. With respect to therapy the 1970'es brought considerable progress in understanding of the clinical behaviour of lung cancer thereby establishing the importance of distinguishing between the major histologic types. Thera peutic advancement was particularly experienced in small cell carcinoma with the introduction of combination chemotherapy after this special dis ease entity among lung cancers was recognized as being a disseminated dis ease in almost all cases at the time of diagnosis. It was expected that the improvement in therapy would have continued in the early 1980'es, not only for small cell lung cancer but also for the other cell types."

Eicosanoids and Radiation (Hardcover, 1988 ed.): Peter Polgar Eicosanoids and Radiation (Hardcover, 1988 ed.)
Peter Polgar
R4,119 Discovery Miles 41 190 Ships in 18 - 22 working days

Prostaglandins, Leukotrienes, and Cancer is a multi-volume series that will focus on an emerging area of cancer research. In 1968, R.H. Williams first reported that elevated prostaglandin levels are present in human medullary car- cinoma. Since that time, the concept that arachidonic acid metabolites may be in- volved in cancer has expanded to include every aspect of the disease from cell transformation through metastasis. Prostaglandins and leukotrienes are generic terms used to describe a family of bioactive lipids produced from unsaturated fatty acids (principally from arachidonic acid) via the cyclooxygenase and lipoxygenase pathways, respec- tively. Cyclooxygenase products consist of diverse products such as prosta- glandin Ez (PGEz), prostacyclin (PGIz) and thromboxane Az (TXAz), whereas lipoxygenase products consist of hydroperoxy fatty acids and mono-, di- and tri-hydroxy acids including leukotrienes. The precursor fatty acids for the cyclooxygenase and lipoxygenase pathways are present in cellular phospholipids. This finding established an important control point in their biosynthesis-the release of substrate. This occurs in response to numerous stimuli that act at the cell surface. Dr. Bengt Samuelsson's extensive study of the metabolism of pros- taglandins indicated that they are rapidly inactivated on a single pass through pulmonary circulation. Thus, they cannot act as circulating hormones and appear to be made on demand in or in the vicinity of target tissues leading to the concept that prostaglandins are local hormones or autocoids.

DNA Tumor Viruses - Oncogenic Mechanisms (Hardcover, 1995 ed.): Giuseppe Barbanti-Brodano, Mauro Bendinelli, Herman Friedman DNA Tumor Viruses - Oncogenic Mechanisms (Hardcover, 1995 ed.)
Giuseppe Barbanti-Brodano, Mauro Bendinelli, Herman Friedman
R5,398 Discovery Miles 53 980 Ships in 18 - 22 working days

DNA tumor viruses have long been useful experimental models of carcinogenesis and have elucidated several important mechanisms of cell transformation. Re search in recent years has shown that human tumors have a multifactorial nature and that some DNA tumor viruses may playa key role in their etiology. The aim of this book is to assess our knowledge of DNA tumor viruses by reviewing animal models, mechanisms of transformation, association with human tumors, and possi bilities of prevention and control by vaccination. Animal models of tumor virology have contributed significantly to our under standing of the epidemiology and pathogenesis of virus-induced tumors. Bovine papillomaviruses induce papillomas in the intestine of cattle. The papillomas undergo a transition to carcinomas in cows feeding on bracken fern, which pro duces a toxin with radiomimetic and immunosuppressive functions. This example of cooperation between a virus and chemical carcinogens parallels the cooperative role of human papillomaviruses (HPVs) and herpes simplex virus type 2 (HSV-2) with environmental carcinogens in the pathogenesis of cervical cancer. Likewise, hepatocarcinomas appearing in woodchucks chronically infected by woodchuck hepatitis virus (WIN) provide strong support for the relationship between hepatitis B virus (HBV) infection and human hepatocellular carcinoma. Also, the fact that WIN DNA integrates closely to cellular oncogenes suggests a possible molecular mechanism for the tumorigenesis induced by HBV."

Anticarcinogenesis and Radiation Protection 2 (Hardcover, 1991 ed.): O. F. Nygaard, A.C. Upton Anticarcinogenesis and Radiation Protection 2 (Hardcover, 1991 ed.)
O. F. Nygaard, A.C. Upton
R4,382 Discovery Miles 43 820 Ships in 18 - 22 working days

The dramatic decrease in the incidence of stomach cancer in industrialized countries during the past 50 years, which is yet to be fully explained, and the observation that carcinogenesis in laboratory animals can be inhibited by antioxidants, retinoids, and caloric restriction, among other influences, challenge us to press on in the search for practical means to prevent cancer. It is in relation to this goal that the studies summarized in this book have special significance. This book is based on the invited and contributed papers presented at the Third Internationai Conference on Anticarcinogenesis and Radiation Protection, held on October 15-21, 1989, in Dubrovnik, Yugoslavia. They cover a broad range of investigations into the mechanisms and inhibition of carcinogenesis. In keeping with recent advances in our understanding of the importance of oncogenes and tumor-suppressor genes in carcinogenesis, many of the reports focus on mutations and related changes at the level of DNA. At the same time, however, other reports deal with nutritional, immunological, endocrinological, and epidemiological aspects. In all, the various reports address carcinogenesis and its inhibition at virtually every level of biological organization. Included in this compendium are timely reviews of diverse and promising research strategies for cancer prevention, as pursued by investigators in different parts of the world. The Organizers of the Conference are grateful to the many scientists who have contributed to the volume, as well as to the sponsors of the Conference, without whose generous support this book would not have been possible.

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