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Books > Academic & Education > Professional & Technical > Biochemistry

The Dictionary of Cell and Molecular Biology (Paperback, 5th edition): John M Lackie The Dictionary of Cell and Molecular Biology (Paperback, 5th edition)
John M Lackie
R1,795 R1,682 Discovery Miles 16 820 Save R113 (6%) Ships in 10 - 15 working days

An expanded, up-to-date resource for students and researchers, "The Dictionary of Cell & Molecular Biology, Fifth Edition," provides clear and concise definitions needed for laboratory study. With over 12,000 entries and a breadth of terms across bioscience, including plant molecular biology, microbiology and biotechnology, this revision reflects the changes in the research over the past few years. The latest edition of "The Dictionary of Cell and Molecular Biology" maintains its outstanding reputation as an authoritative, clear, and accessible reference with short, cross-referenced definitions of important technical terminology.
Thoroughly revised and expanded by over 20% with over 12,000 entries in cellular and molecular biologyIncludes expanded coverage of terms, including plant molecular biology, microbiology and biotechnology areasConsistently provides the most complete short definitions of technical terminology for anyone working in life sciences todayFeatures extensive cross-references Provides multiple definitions, notes on word origins, and other useful features

Metabolic Maps - Pesticides, Environmentally Relevant Molecules and Biologically Active Molecules (Hardcover): Hiroyasu Aizawa Metabolic Maps - Pesticides, Environmentally Relevant Molecules and Biologically Active Molecules (Hardcover)
Hiroyasu Aizawa
R3,962 Discovery Miles 39 620 Ships in 10 - 15 working days

People working in development of drugs, pesticides, washing detergents, etc., are obliged by law to conduct analyses of the "metabolic pathways" or "maps" for the chemical compounds that they are using or proposing.
Everyone in these industries or carrying out research toward such products is therefore interested in having a reference on these compounds.
Key Features
* Covers literature relating to degradation and metabolic profiles of molecules
* Draws together the literature on degradation and metabolism patterns with that on diversified conditions of the environmental systems
* Indicates 3D chemical structures, predicted physico-chemical parameters, logP and the SMILES chemical notations of the parent compounds to assist scientists design the lead compounds for new discovery using computer-aided technology

A Manual for Wildlife Radio Tagging (Paperback, 2nd edition): Robert E. Kenward A Manual for Wildlife Radio Tagging (Paperback, 2nd edition)
Robert E. Kenward
R2,347 R2,220 Discovery Miles 22 200 Save R127 (5%) Ships in 10 - 15 working days

Retaining the introductory flavor of the now classic First Edition, this revision includes all the latest techniques in the field. New information on methods of radio tag harnessing, new sections on satellite tracking techniques and new types of data analysis are all included. Still the only comprehensive, up-to-date, introduction to this fundamental technique for wildlife and behavioral biologists.
* A unique guide to the subject
* Full coverage of the very latest techniques in both terrestrial and satellite tracking
* Detailed, practical guidance in how to fit tags, track animals, source and evaluate equipments and techniques and analyse resulting data

Automated DNA Sequencing and Analysis (Hardcover): Mark D. Adams, Chris Fields, J. Craig Venter Automated DNA Sequencing and Analysis (Hardcover)
Mark D. Adams, Chris Fields, J. Craig Venter
R1,375 Discovery Miles 13 750 Ships in 10 - 15 working days

A timely book for DNA researchers, Automated DNA Sequencing and Analysis reviews and assesses the state of the art of automated DNA sequence analysis-from the construction of clone libraries to the developmentof laboratory and community databases. It presents the methodologies and strategies of automated DNA sequence analysis in a way that allows them to be compared and contrasted. By taking a broad view of the process of automated sequence analysis, the present volume bridges the gap between the protocols supplied with instrument and reaction kits and the finalized data presented in the research literature. It will be an invaluable aid to both small laboratories that are interested in taking maximum advantageof automated sequence resources and to groups pursuing large-scale cDNA and genomic sequencing projects.
* The field of automation in DAN sequencing and analysis is rapidly moving. Hovever, as the technology becomes commonplace, those applying the techniques involved to their research fields need a text which both expands on the protocols supplied by manufacturers with their instruments and explains how to utilise the data produced. This book fulfils those needs, reviews the history of the art and provides pointers to future development.

The Regulatory Genome - Gene Regulatory Networks In Development And Evolution (Hardcover, 2Rev ed): Eric H. Davidson The Regulatory Genome - Gene Regulatory Networks In Development And Evolution (Hardcover, 2Rev ed)
Eric H. Davidson
R2,032 Discovery Miles 20 320 Ships in 10 - 15 working days

Gene regulatory networks are the most complex, extensive control systems found in nature. The interaction between biology and evolution has been the subject of great interest in recent years. The author, Eric Davidson, has been instrumental in elucidating this relationship. He is a world renowned scientist and a major contributor to the field of developmental biology.
The Regulatory Genome beautifully explains the control of animal development in terms of structure/function relations of inherited regulatory DNA sequence, and the emergent properties of the gene regulatory networks composed of these sequences. New insights into the mechanisms of body plan evolution are derived from considerations of the consequences of change in developmental gene regulatory networks. Examples of crucial evidence underscore each major concept. The clear writing style explains regulatory causality without requiring a sophisticated background in descriptive developmental biology. This unique text supersedes anything currently available in the market.
* The only book in the market that is solely devoted to the genomic regulatory code for animal development
* Written at a conceptual level, including many novel synthetic concepts that ultimately simplify understanding
* Presents a comprehensive treatment of molecular control elements that determine the function of genes
* Provides a comparative treatment of development, based on principles rather than description of developmental processes
* Considers the evolutionary processes in terms of the structural properties of gene regulatory networks
* Includes 42 full-color descriptive figures and diagrams

Principles and Practice of Clinical Research (Hardcover, 3rd edition): John I. Gallin, Frederick P. Ognibene Principles and Practice of Clinical Research (Hardcover, 3rd edition)
John I. Gallin, Frederick P. Ognibene
R2,663 Discovery Miles 26 630 Ships in 10 - 15 working days

The third edition of this innovative work again provides a unique perspective on the clinical discovery process by providing input from experts within the NIH on the principles and practice of clinical research. Molecular medicine, genomics, and proteomics have opened vast opportunities for translation of basic science observations to the bedside through clinical research. As an introductory reference it gives clinical investigators in all fields an awareness of the tools required to ensure research protocols are well designed and comply with the rigorous regulatory requirements necessary to maximize the safety of research subjects. Complete with sections on the history of clinical research and ethics, copious figures and charts, and sample documents it serves as an excellent companion text for any course on clinical research and as a must-have reference for seasoned researchers.
Incorporates new chapters on Managing Conflicts of Interest in Human Subjects Research, Clinical Research from the Patient's Perspective, The Clinical Researcher and the Media, Data Management in Clinical Research, Evaluation of a Protocol Budget, Clinical Research from the Industry Perspective, and Genetics in Clinical ResearchAddresses the vast opportunities for translation of basic science observations to the bedside through clinical researchDelves into data management and addresses how to collect data and use it for discoveryContains valuable, up-to-date information on how to obtain funding from the federal government

The Manual of Scientific Style - A Guide for Authors, Editors, and Researchers (Hardcover): Harold Rabinowitz, Suzanne Vogel The Manual of Scientific Style - A Guide for Authors, Editors, and Researchers (Hardcover)
Harold Rabinowitz, Suzanne Vogel
R1,337 Discovery Miles 13 370 Ships in 10 - 15 working days

Much like the "Chicago Manual of Style," "The Manual of Scientific Style" addresses all stylistic matters in the relevant disciplines of physical and biological science, medicine, health, and technology. It presents consistent guidelines for text, data, and graphics, providing a comprehensive and authoritative style manual that can be used by the professional scientist, science editor, general editor, science writer, and researcher.
Scientific disciplines treated independently, with notes where variances occur in the same linguistic areas

Organization and directives designed to assist readers in finding the precise usage rule or convention

A focus on American usage in rules and formulations with noted differences between American and British usage

Differences in the various levels of scientific discourse addressed in a variety of settings in which science writing appears

Instruction and guidance on the means of improving clarity, precision, and effectiveness of science writing, from its most technical to its most popular

Microarray Technology in Practice (Paperback): Steve Russell, Lisa A Meadows, Roslin R. Russell Microarray Technology in Practice (Paperback)
Steve Russell, Lisa A Meadows, Roslin R. Russell
R1,158 Discovery Miles 11 580 Ships in 10 - 15 working days

Description
Using chips composed of thousands of spots, each with the capability of holding DNA molecules corresponding to a given gene, DNA microarray technology has enabled researchers to measure simultaneously gene expression across the genome. As with other large scale genomics approaches, microarray technologies are broadly applicable across disciplines of life and biomedical sciences, but remain daunting to many researchers. This guide is designed to demystify the technology and inform more biologists about this critically important experimental technique.
.Provides a basic overview of microarray technology and available platforms for those unfamiliar with the technology
.Includes detailed discussion of experimental design and analysis of microarray experiments, giving first-time users valuable information that can be tailored to their own research needs
.Provides discussion of such hot areas as ChIP (chromatin immunoprecipitation) with hybridization to DNA arrays, microarray-based comparative genomic hybridization (CGH), and cell and tissue arrays
Expert author team highlights the utility of the technology using examples from human health and disease--e.g., malaria and cancer diagnostics.

Jeff's View - on Science and Scientists (Hardcover): Gottfried Schatz Jeff's View - on Science and Scientists (Hardcover)
Gottfried Schatz
R535 Discovery Miles 5 350 Ships in 10 - 15 working days

Jeff's Views provide witty, insightful, and thought-provoking looks into the life of a modern scientist. From starting off to letting go, Gottfried ("Jeff") Schatz leads us through the trials and triumphs of scientific life. With his tongue firmly in his cheek, and his humour always intact, the Austrian essayist leads us through the confusing and seemingly insurmountable hill that is the career path of European scientists. In addition to giving useful insights into how to get funding, give seminars, and still find time to make that leading edge scientific discovery, Jeff explores the philosophical dimensions of recent biological breakthroughs such as the sequencing of the human genome, the evolution of sensory receptors, and cellular suicide.
Gottfried Schatz is one of the world's leading scientists in the field of bioenergetics and mitochondria biology. Born in a small Austrian village, he started his scientific career at the University of Graz, and ended it as President of the Swiss Science and Technology Council. With stints as a violinist in Austrian opera houses, professorships in the USA and Switzerland, and numerous prestigious awards along the way, Jeff is a true European, whose unique, and often controversial, viewpoints are appreciated by scientists and politicians alike.
These essays look at science from a very personal angle - often critical, sometimes sad, but always with excitement, wonder, and admiration. It is hoped that they will make you look at science with a slightly different view.
*Witty, insightful, and thought-provoking looks into life of a modern scientist
*Provides useful insights on how to get funding, give seminars, and still find time to makethat scientific discovery
*Explores recent breakthroughs in science: genome sequencing, sensory receptor evolution, and cellular suicide

Recent Advances in Psychology and Aging, Volume 15 (Hardcover): P. Costa, I. C. Siegler Recent Advances in Psychology and Aging, Volume 15 (Hardcover)
P. Costa, I. C. Siegler
R3,496 Discovery Miles 34 960 Ships in 10 - 15 working days

"Recent Events in the Psychology of Aging" documents the successful integration of aging into the mainstream of psychology. Leading psychologists present overviews of the key issues and research findings on mainstream topics. These include cognitive neuroscience, visual attention, learning, memory and cognition, as well as personality and happiness. The intersection of aging content with mainstream psychology is also prominent in the areas of emotions, personality, and social psychology as seen in the chapters on subjective well-being, emotional development, self-esteem and personality trajectories.
The seven chapters of this book offer information on such topics as: the seven sins of memory, categorizing the common breakdowns of memory in everyday life and the special breakdown of sins that increase with aging; problems with attention and learning; and offers answers to questions such as do emotions get blunted with age; do older people focus more on positive feelings; and the age old question of whether older people are happier than younger people is given in the chapter on the evolving concept of subjective well-being and the multifaceted nature of happiness. Questions about what occurs to one's self-esteem and personality are also masterfully discussed and the answers may be surprising. The concluding seventh chapter provides a cultural lens on the biopsychosocial study of aging.

Phagocytosis: The Host, Volume 5 (Hardcover): S. Gordon Phagocytosis: The Host, Volume 5 (Hardcover)
S. Gordon
R2,768 Discovery Miles 27 680 Ships in 10 - 15 working days

An accompanying volume (Volume 6) in this series presents strategies of cellular invasion from the viewpoint of the microbe.
This filed of study is growing rapidly after a somewhat slow start over recent decades. This collection of invited chapters attempts to reflect current research, and brings together cell biologists, microbiologists and immunologists with disparate interests. However, there is a certain unity, even repetition of key themes, hopefully like a symphony rather than a boring catalogue. It will be evident that editorial bias favors intracellular paratism and medically important organisms. The neutrophil is far more than a supporting player to the macrophage, and some attempt is made to remind the reader of some of its unique skills. To retain a manageable size, the emphasis is on relatively early events such as mutual recognition, cell entry, and response, rather than on longterm changes in gene expression by either host cell or pathogen. Viruses are excluded not because of lack of importance but because of somewhat different research approaches, although it is cytogenes, share common strategies in invasion and intercellular spread.

Interorganellar Signaling in Age-Related Disease, Volume 7 (Hardcover): M.P. Mattson Interorganellar Signaling in Age-Related Disease, Volume 7 (Hardcover)
M.P. Mattson
R2,959 Discovery Miles 29 590 Ships in 10 - 15 working days

Collectively, the chapters in this work will provide the reader with novel insight into the inter-relationships of the function of different organelles in the sequences of events that lead to cellular dysfunction and degeneration in the aging human population. The chapters are rich in information for cell and molecular biologists pursuing studies of the different diseases covered. In addition, the clinician will find value in understanding mechanisms underlying age-related disease as such an understanding will lead to novel therapeutic approaches for an array of age-related diseases.

Telomerase, Aging and Disease, Volume 8 (Hardcover, 1st ed): M.P. Mattson Telomerase, Aging and Disease, Volume 8 (Hardcover, 1st ed)
M.P. Mattson
R3,610 Discovery Miles 36 100 Ships in 18 - 22 working days

This volume of "Advances in Cell Aging and Gerontology" critically reviews the rapidly advancing area of telomerase research with a focus at the molecular and cellular levels. The clearly established function of telomerase is to maintain chromosome ends during successive rounds of cell division by adding a six base DNA repeat on to the telomeric ends of chromosomes. As presented in the chapters of this volume, the mechanisms that regulate telomerase expression and activity are complex. Moreover, emerging data suggest additional roles for telomerase in the regulation of cell differentiation and survival.


It is expected that this quite comprehensive volume will provide a valuable resource for graduate students and postdocs in the telomerase field and for established investigators in other fields who are beginning to study telomerase in their particular research program. With an increasing number of proteins being brought into the fold of telomerase research (e.g., DNA damage and repair response proteins, heat-shock proteins, and proteins in various signal transduction cascades) many new scientists are beginning to study this enzyme from novel vantage points.

Calmodulin and Signal Transduction (Hardcover): Linda J Van Eldik, D.Martin Watterson Calmodulin and Signal Transduction (Hardcover)
Linda J Van Eldik, D.Martin Watterson
R4,075 Discovery Miles 40 750 Ships in 10 - 15 working days

This book focuses on emerging themes in the molecular mechanisms of calcium signal transduction through calmodulin-regulated pathways. It provides the reader with selected examples and experimental precedents that underlie current models of cell regulation through calmodulin-regulated pathways and their linkage with other regulatory pathways.
Highlights:
* Molecular mechanisms of calcium signal transduction through calmodulin-regulated enzymes
* Selected case studies and precedents related to molecular mechanisms
* Protein-protein recognition between calmodulin and the enzymes it regulates
* Cross-talk and interdigitation with other signal transduction pathways

Advances in Cycloaddition, Volume 4 (Hardcover): M. Harmata Advances in Cycloaddition, Volume 4 (Hardcover)
M. Harmata
R3,273 Discovery Miles 32 730 Ships in 10 - 15 working days

This is the fourth volume in the series, aimed at those wishing to stay abreast of developments in the mechanisms and synthetic applications of 1,3-dipolar cycloaddition reactions.

Myocardial Preservation and Cellular Adaptation, Volume 6 (Hardcover): D.K. Das Myocardial Preservation and Cellular Adaptation, Volume 6 (Hardcover)
D.K. Das
R3,294 Discovery Miles 32 940 Ships in 10 - 15 working days

Living organisms exhibit specific responses when confronted with sudden changes in their environmental conditions. The ability of the cells to acclimate to their new environment is the integral driving force for adaptive modification of the cells. Such adaptation involves a number of cellular and biochemical alteration including metabolic homeostasis and reprogramming of gene expression. Changes in metabolic pathways are generally short-lived and reversible, while the consequences of gene expression are a long-term process and may lead to permanent alternation in the pattern of adaptive responses.
The heart possesses remarkable ability to adapt itself against any stressful situation by increasing resistance to the adverse consequences. Stress composes the foundation of many degenerative heart diseases including atherosclerosis, spasm, thrombosis, cardiomyopathy, and congestive heart failure. Based on the concept that excessive stress may play a crucial role in the pathogenesis of ischemic heart disease, attempts were made to design methods for preventing of myocardial injury. Creation of stress reactions by repeated ischemia and reperfusion or subjecting the hearts to heat or oxidative stress enables them to meet the future stress challenge. Repeated stress exposures adapt the heart to withstand more severe stress reactions probably by upregulating the cellular defense and direct accumulation of intracellular mediators, which presumably constitute the material basis of increased adaptation to stress. Thus, the powerful cardioprotective effect of adaptation is likely to originate at the cellular and molecular levels that compose fundamental processes in the prophylaxis of such diseases.
Volume six of the Advances in Organ Biology series contains state-of-the-art reviews on myocardial preservation and cellular adaptation from the leading authorities in this subject.

Radiation Biophysics (Hardcover, 2nd edition): Edward L. Alpen Radiation Biophysics (Hardcover, 2nd edition)
Edward L. Alpen
R2,947 Discovery Miles 29 470 Ships in 10 - 15 working days

This newly revised and updated edition of Radiation Biophysics provides an in-depth description of the physics and chemistry of radiation and its effects on biological systems. Coverage begins with fundamental concepts of the physics of radiation and radioactivity, then progresses through the chemistry and biology of the interaction of radiation with living systems. The Second Edition of this highly praised text includes major revisions which reflect the rapid advances in the field. New material covers recent developments in the fields of carcinogenesis, DNA repair, molecular genetics, and the molecular biology of oncogenes and tumor suppressor genes. The book also includes extensive discussion of the practical impact of radiation on everyday life.
Key Features
* Covers the fundamentals of radiation physics in a manner that is understandable to students and professionals with a limited physics background
* Includes problem sets and exercises to aid both teachers and students
* Discusses radioactivity, internally deposited radionuclides, and dosimetry
* Analyzes the risks for occupational and non-occupational workers exposed to radiation sources

Radiological Imaging - The Theory of Image Formation, Detection, and Processing (Paperback): Harrison H. Barrett, William... Radiological Imaging - The Theory of Image Formation, Detection, and Processing (Paperback)
Harrison H. Barrett, William Swindell
R2,607 Discovery Miles 26 070 Ships in 10 - 15 working days

Radiological Imaging: The Theory of Image Formation, Detection, and Processing is intended to prepare the student to do research in radiological imaging, to teach general image science within a radiographic context, and to help the student gain fluency with the essential analytical tools of linear systems theory and the theory of stochastic processes that are applicable to any imaging system. The book contains chapters devoted to the discussion of linear systems, Poisson processes, analysis of radiographic systems, radiographic image detectors, and the various aspects of three-dimensional or tomographic imaging. Computed tomography, psychophysics, and scattered radiation and its effect on image are also elucidated. Radiology technicians will find the book very invaluable.

Practical Guide to Occupational Health and Safety (Hardcover): Paul A. Erickson Practical Guide to Occupational Health and Safety (Hardcover)
Paul A. Erickson
R2,350 Discovery Miles 23 500 Ships in 10 - 15 working days

Written with corporate regulatory compliance officers, health and safety managers, loss control managers, and human resource specialists in mind, this book offers workplace-tested strategies for meeting the health and safety needs of a modern corporation. Emphasizing the practical means of achieving compliance with OSHA regulations, this book also provides a unique assessment of the more extensive factors that influence the management of workplace health and safety. The integration of practical regulation strategies with corporate objectives is particularly relevant to graduate curricula in business management, public policy, and occupational medicine.
Key Features
* Provides practical guidelines for industrial compliance with major OSHA regulations
* Presents concise explanations of technical and scientific concepts underlying regulatory requirements
* Integrates specific examples of the global economy's influence on the design and implementation of workplace health and safety
* Elucidates the effects of health and safety programs on financial and legal risk management practices in industry
* Includes explanations of practical alternative compliance strategies for company health and safety officers

DNA Structure and Function (Hardcover): Richard R. Sinden DNA Structure and Function (Hardcover)
Richard R. Sinden
R1,369 Discovery Miles 13 690 Ships in 10 - 15 working days

DNA Structure and Function, a timely and comprehensive resource, is intended for any student or scientist interested in DNA structure and its biological implications. The book provides a simple yet comprehensive introduction to nearly all aspects of DNA structure. It also explains current ideas on the biological significance of classic and alternative DNA conformations. Suitable for graduate courses on DNA structure and nucleic acids, the text is also excellent supplemental reading for courses in general biochemistry, molecular biology, and genetics.
Special Features
* Explains basic DNA Structure and function clearly and simply
* Contains up-to-date coverage of cruciforms, Z-DNA, triplex DNA, and other DNA conformations
* Discusses DNA-protein interactions, chromosomal organization, and biological implications of structure
* Highlights key experiments and ideas within boxed sections
* Illustrated with 150 diagrams and figures that convey structural and experimental concepts

Growth Factors, Part A (Hardcover): C Bondy, D. Leroith Growth Factors, Part A (Hardcover)
C Bondy, D. Leroith
R2,784 Discovery Miles 27 840 Ships in 10 - 15 working days

This series provides a variety of different discussions on topics within the field of growth factors and cytokines in health and disease.

Membrane Protein Transport, Volume 3 (Hardcover): S. S Rothman Membrane Protein Transport, Volume 3 (Hardcover)
S. S Rothman
R2,735 Discovery Miles 27 350 Ships in 10 - 15 working days

This is the third volume in a series on membrane protein transfer. Membrane protein transport underlies the topological disposition of many proteins within cells and it is this disposition that allows for the co-ordination of the central cellular processes, such as metabolism.

A Practical Guide to Protein and Peptide Purification for Microsequencing (Paperback, 2nd edition): Paul T. Matsudaira A Practical Guide to Protein and Peptide Purification for Microsequencing (Paperback, 2nd edition)
Paul T. Matsudaira
R1,184 Discovery Miles 11 840 Ships in 10 - 15 working days

Why a Second Edition?
The Second Edition provides practical answers to the general question, "How can I obtain useful sequence information from my protein or peptide?" rather than the more specific question asked in the first edition, "How can I obtain the N-terminal sequence?" Important new methods include ways of dealing with blocked N termini, computer analysis of protein sequences, and the recent revolution in mass spectrometry.
Key Features
Highlights of the Second Edition:
* Mass spectrophotometric characterization of proteins and peptides
* N-terminal sequencing of proteins with blocked N termini
* Internal amino acid sequence analysis after protease digestion in-gel and on-blot
* Improved microscale peptide purification methods
* Computer analysis of protein sequences
* New protocols tested and refined through everyday use in authors' laboratories
* Updated reference chapter covering all aspects of protein microsequencing

Cytoskeleton in Specialized Tissues and in Pathological States, Volume 3 (Hardcover): J.E. Hesketh, I. F. Pryme Cytoskeleton in Specialized Tissues and in Pathological States, Volume 3 (Hardcover)
J.E. Hesketh, I. F. Pryme
R2,777 Discovery Miles 27 770 Ships in 10 - 15 working days

This volume deals with aspects of the cytoskeleton in different cell types and also describe examples of changes in the cytoskeleton which occur during various pathological states. These studies bring the exciting area of cytoskeleton research into the domain of medical science.

Retinoids: Their Physiological Function and Therapeutic Potential, Volume 3 (Hardcover): G. V Sherbet Retinoids: Their Physiological Function and Therapeutic Potential, Volume 3 (Hardcover)
G. V Sherbet
R2,750 Discovery Miles 27 500 Ships in 10 - 15 working days

Retinoids have received considerable attention in recent years and due cognizance has been given to their versatility as biological response modifiers, as evidenced by the virtually explosive growth of literature in this field in the past few years. This volume has been designed to give a current state-of-the-art picture of retinoids. The perceived potential of retinoids in the treatment of certain disease stated has initiated attempts at identifying and synthesizing new retinoid derivatives with definable and selective effects on aberrant biological phenomena. Appropriately, therefore, we begin with the chemistry of retinoids and their derivatives together with discussions of their biological activity. Major advances have been made in understanding the mechanisms by which retinoids modulate physiological and phenotypic traits of cells. The transduction of retinoid signaling by the mediation of nuclear receptors of the steroid/thyroid receptor superfamily has now been studied extensively and the cloning and defining the characteristics of these receptors has been a focus of discussion in this volume. Retinoids also markedly modulate the transduction of extracellular signals such as those imparted by growth factors and hormones, and thus actively influence and control cellular proliferative patterns. Retinoids can alter epidermal growth factor receptor expression (Kawaguchi et al., 1994), responsiveness to thyroid hormone (Esfandiari et al., 1994; Pallet et al., 1994), inhibit the proliferative responses of hematopoietic progenitor cells to granulocyte colony stimulating factor (Smeland et al., 1994), and modulate secretion on interleukins by leukaemic cells (Balitrand et al., 1994), among other things. This has obvious implications for pharmacological manipulation of deregulated growth (Dickens and Colletta, 1993; Mulshine et al., 1993). Apoptosis is another component in the regulation of growth control. Apoptotic cell death is influenced by several agents and retinoids may function by interfering with apoptotic pathways of regulation of growth control and quite legitimately, therefore, the importance of this aspect of retinoid function has been duly recognized here.

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