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This book provides a comprehensive resource of the most recent findings on the pathogenesis and pathology in the Fischer rat. Each chapter, adequately illustrated with light and electron photomicrographs, deals with a specific organ system. It includes a summary of the spontaneous neoplasms found in over 5,000 untreated control animals as well as a detailed, step by step necropsy procedure completely illustrated by photographs. It refers to a listing of common and rare tumors associated with the administration of various environmental agents obtained from over 200 carcinogenesis bioassays of the National Cancer Institute and National Toxicology Program. This work also reveals detailed information on spontaneous occurrence and the induction of neoplasms. Scientists involved in the evaluation of toxicological and carcinogenesis bioassays and investigators conducting basic and applied carcinogenesis research will find this atlas indispensable.
This is the second edition of the third volume in the Monographs on Pathology of Laboratory Animals series. Since the first edition, new information has developed at a remarkable pace. Both editions propose standardized nomenclature that is being used internationally, gaining significant acceptance. The result is improved communications of pathologic data to regulatory agencies and in scientific publications worldwide. New information on the nature and variability of preneoplastic lesions in the liver of laboratory rodents is included in this edition. The book expands data on the accompanying changes in enzyme activity in affected liver cells. Spongiosis hepatis in the rat and its relation to spongiotic pericytoma are discussed thoroughly. Information on many other pathologic entities is brought up to date and new ones are added to this second edition, making it an even more useful and expanded reference text.
Chemoprevention is currently regarded as one of the most promising avenues for the control of cancer, with human epidemiological and animal studies indicating that the risk of cancer may be modified by changes in diet. Over 100 papers are collected in this volume, the proceedings of the International Conference on Food Factors: Chemistry and Cancer Prevention, held in Hamamatsu, Japan, in December 1995. Special emphasis is placed on chemical, biological, and molecular properties of phytochemicals in teas, fruit, vegetables, herbs, and spices, and on their potential for cancer prevention. Also discussed are the cancer-preventive effects of vitamins, lipids, carotenoids, flavonoids, and other components of diet. The findings presented here will be invaluable to all who are interested in diet and cancer prevention, and especially to biochemists, pharmacologists, food scientists, and nutritionists.
A complete update on the safety testing of foods, drugs, and chemicals in laboratory animals, featuring: - a thorough review of each subject area with extensive revision in line with new information and concepts - electron micrographs in exquisite detail to illustrate results of recent research - the effects of many carcinogens described succinctly and illustrated in detail - neoplasms described in detail and compared with natural and induced tumours in other species - standardised nomenclature. Of interest to those interested in the many applications to human patients, Urinary System: - facilitates uniform interpretation of bioassay results world-wide - provides a basis for understanding mechanisms involved in the functions and malfunctions of the most minute, but important structures of the kidneys - explains the functional significance of details by identifying the composition of structures at the molecular level. Forming a solid basis for understanding the causes and effects of disease of the urinary system, this is essential reading for pathologists, toxicologists, regulatory agencies, and all those involved in carcinogenicity and toxicity studies.
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This is the ninth volume in a series dealing with induced lesions in laboratory animals. The information on pathology and toxicology documented in the series is an aid to scientific institutions, industry and government agencies charged with the safety testing of food, drugs and chemicals.
This monograph is dedicated to one of the discoverers of poly(ADP ribose), Professor Paul Mandel, from the Centre de Neurochimie in Strasbourg. We would like to congratulate him for his distinguished contributions to the field of poly(ADP-ribosyl)ation and express our gratitude for his support in the last years and particularly for his encouragement for the organization of this meeting. Poly(ADP-ribose) was discovered more than 25 years ago. Since then, excellent progress has been made on the study of the mechanisms of poly(ADP ribose) reaction. The last five years have been particularly exciting since the development of various molecular biology techniques has revealed the complex nature of this multifunctional enzyme. Looking at the contributions presented at this meeting, it becomes obvious that more work at the molecular level is needed. Most likely, these experiments will shed some light on the functions of poly(ADP-ribose), but further ~iophysical studies will still be required to fully understand this complex enzymatic system.