Vitamins in Endocrine Metabolism covers the problems of nutritional diseases in the fields of endocrinology, pathology, enzymology, and vitamin research. This book is divided into 11 chapters that discuss the conditions affecting vitamin requirements. The introductory chapters deal with the intracellular localization, synthesis, molecular structure, and reaction rate of enzymes. The succeeding chapters examine the methods of analysis and mode of action of hormones; pathology of vitamin A deficiency in man and animals; description of vitamin B complex; and diseases of vitamin C deficiency. Other chapters explore the modifying effects of the diet and availability of enzymic activators, as well as the biochemical aspects of isoenzymes, pre-enzymes, coenzymes, and enzyme cofactors. A chapter highlights the characteristics of vitamin, while another chapter is devoted to the chemical structure of vitamin E and the essential fatty acids. The final chapters focus on the exogenous chemical carcinogen. The book can provide useful information to doctors, nutritionists, students, and researchers.

Vitamins and Hormones

Because diseases of the bone are often less acute and less lifethreatening than dis eases of the circulatory system, gastrointestinal tract, kidney, liver, and the nervous system, they have received a disproportionately smaller amount of attention in the medical world. With the average increasing life span of man as a result of improve ments in modern medicine, espe~ially in the pediatric field, the seriousness of many metabolic bone diseases has indeed become more obvious. In addition, other improvements in medicine, such as hemodialysis for the preservation of renal failure patients, have permitted the development of other consequences of diseased kidneys, one of which is the appearance of renal osteodystrophy. Finally, the appearance of several genetic disorders in the area of metabolic bone disease has been underscored by the solution of other pediatric diseas~s of much more serious consequences. These emerging problems all suggest that much remains to be learned concerning the sys temic control of bone, both as a structural organ and as a reservoir for the important elements of calcium and phosphorus so essential for the support of life in complex multicellular organisms of which man is the most important. As will be demonstrated in the historical portion of this manuscript, the existence of the three most important humoral factors regulating bone metabolism and func tion are now known.

First published in 1943, VITAMINS AND HORMONES is the longest-running serial published by Academic Press. In the early days of the Serial, the subjects of vitamins and hormones were quite distinct. The Editorial Board now reflects expertise in the field of hormone action, vitamin action, X-ray crystal structure, physiology, and enzyme mechanisms. Under the capable and qualified editorial leadership of Dr. Gerald Litwack, VITAMINS AND HORMONES continues to publish cutting-edge reviews of interest to endocrinologists, biochemists, nutritionists, pharmacologists, cell biologists, and molecular biologists. Others interested in the structure and function of biologically active molecules like hormones and vitamins will, as always, turn to this series for comprehensive reviews by leading contributors to this and related disciplines.*Includes color illustrations*Available on ScienceDirect*Longest running series published by Academic Press *Contributions by leading international authorities

The first demonstration of the existence of a vitamin and the full recognition of this fact are often attributed to the work of McCollum, who found that a sub stance in butterfat and cod-liver oil was necessary for growth and health of ani mals fed purified diets. It became obvious that an organic substance present in microconcentrations was vital to growth and reproduction of animals. Following the coining of the word vitamine by Funk, McCollum named this fat-soluble sub stance vitamin A. We can, therefore, state that vitamin A was certainly one of the first known vitamins, yet its function and the function of the other fat-soluble vitamins had remained largely unknown until recent years. However, there has been an explosion of investigation and new information in this field, which had remained quiescent for at least two or three decades. It is now obvious that the fat-soluble vitamins function quite differently from their water-soluble counter parts. We have learned that vitamin D functions by virtue of its being converted in the kidney to a hormone that functions to regulate calcium and phosphorus metabolism. This new endocrine system is in the process of being elucidated in detail, and in addition, the medical use of these hormonal forms of vitamin D in the treatment of a variety of metabolic bone diseases has excited the medical com munity.

This issue features internationally renowned experts who have provided their expertise on a variety of topics related to the importance of vitamin D. It was not until feedback loops were identified between vitamin D production and parathyroid hormone, phosphate that it earned its place as a true endocrine hormone. Current social and economic conditions have brought it back into the limelight with outbreaks of rickets and osteomalacia even in developed countries. However its complex regulation, together with the identification and characterization of the vitamin D receptor and its role in influencing multiple genetic pathways and function has heralded a new era highlighting its importance in health and disease. This includes its role in autoimmune diseases such as multiple sclerosis, diabetes mellitus, cancer especially breast and prostate, skin, neurological and cognitive disorders, and infectious diseases such as tuberculosis. We now know that adequate levels of vitamin D it is important in preventing falls and fracture. The need for supplementation and the amount recommended has also changed considerably from what we previously considered sufficient. The ongoing development of selective active analogs of vitamin D targeted to specific organs and function leads to the exciting possibility of improving outcomes of diseases associated with vitamin D regulation.

Vitamin D: Volume One: Biochemistry, Physiology and Diagnostics, Fourth Edition, presents the latest information from international experts in endocrinology, bone biology and human physiology, taking readers through the basic research of vitamin D. This impressive reference presents a comprehensive review of the multifaceted vitamin D. Researchers from all areas will gain insight into how clinical observations and practices can feed back into the research cycle, thus allowing them to develop more targeted genomic and proteomic insights on the mechanisms of disease. - Offers a comprehensive reference, ranging from basic bone biology, to biochemistry, to the clinical diagnostic and management implications of vitamin D - Saves researchers and clinicians time in quickly accessing the very latest details on the diverse scientific and clinical aspects of Vitamin D, as opposed to searching through thousands of journal articles - Targets chemistry, metabolism and circulation, mechanisms of action, mineral and bone homeostasis, human physiology, diagnosis and management, nutrition, sunlight, genetics and vitamin D deficiency - Volume II of this collection presents a clinical focus on disorders, analogs, cancer; immunity, inflammation and disease and therapeutic applications

Vitamin D, a steroid hormone, has mainly been known for its effects on bone and osteoporosis. The current therapeutic practices expand into such markets as cancer research, pediatrics, nephrology, dermatology, immunology, and genetics. This 3e includes over 100 chapters covering everything from chemistry and metabolism to mechanisms of action, diagnosis and management, new analogs, and emerging therapies. This complete reference works is a must-have resource for anyone working in endocrinology, osteology, bone biology, or cancer research. *Most comprehensive, up-to-date two-volume set on Vitamin D *Initial chapters cover the chemistry and metabolism of vitamin D, role in mineralization, other target organs, and general physiological effects *Second volume is more clinically oriented addressing deficiency problems (including diagnosis, interactions in the endocrine system, and involvement in malignancies) *Further sections on emerging uses for treatments of auto-immune diseases and diabetes *New chapters on squamous cell cancer, brain cancer, thyroid cancer and many more *Over 600 illustrations and figures available on CD

Vitamin D deficiency is prevalent today not only among the elderly but pervasively throughout all ages of life.This is due, in part, to systemic diseases that affect vitamin D metabolism, to changes in lifestyle, such as insufficient exposure to sunlight, and to increased use of sunscreen. Apart from the obvious effects of vitamin D deficiency on skeletal metabolism, the problem is assuming even greater significance because observational and interventional studies have linked vitamin D deficiency to cardiovascular disease, cancer, and diabetes. This book addresses a variety of important issues that have emerged from this fast-moving area of clinical medicine. The topics include assays of vitamin D and its binding protein, effects on aging and associated complications, primary and secondary states of altered parathyroid hormone secretion, vitamin D in the growing years of children and adolescents, nutritional requirements, and vitamin D as it relates to systemic disorders such as diabetes mellitus. Vitamin D in Clinical Medicine aims to offer new insights, in an evidence-based way, on important issues related to vitamin D. It is written for general practitioners and internists, as well as for endocrinologists, nutritionists, pulmonologists, cardiologists, and oncologists.

The properties and modes of action of both the vitamins and the hormones, and their interrelationships to each other as metabolic controlling agents, are easily accessible in this handbook. The book was written to alleviate the continued frustration experienced by many people, including myself, when attempting to obtain unitary, basic information on vitamins and hormones. Although many of the data are separately available, they are so scattered in many compendia, original research papers, and reviews that a small research project on each vitamin and hormone is required before most of the data can be placed in proper context and profitably used. This feeling of dissatisfaction was brought to a head when I recently presented graduate courses in Endocrinology and on Vitamins and Hormones, thus providing the stimulus for this book. Much of the material, and the general format of this volume were generated from lecture notes for the course on Vitamins and Hormones. It is hoped that this book will be of use to researchers and students in the various fields of life sciences, as well as to physicians, pharmacologists, nurses, and dietitians. Moreover, this book has sufficient content of semitechnical language to make it useful to the educated layman who might need ready information to guide him through the vitamin fads of the day, including rational meal and cooking selections, and to aid in understanding the hormone-related articles in various newspapers and magazines.