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The Bile Acids: Chemistry, Physiology, and Metabolism: Volume 3: Pathophysiology PDF

237 Pages·1976·4.32 MB·English
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THE BILE ACIDS Chemistry, Physiology, and Metabolism VOLUME 3: PATHOPHYSIOLOGY THE BILE ACIDS Volume 1: Chemistry Volume 2: Physiology and Metabolism Volume 3: Pathophysiology A Continuation Order Plan is available for tbis series. A continuation order will bring delivery of each new volume immediately upon publication. Volumes are billed only upon actual shipment. For further information please contact the publisher. THE BILE ACIDS Chemistry, Physiology, and Metabolism VOLUME 3: PATHOPHYSIOLOGY Edited by Padmanabhan P. Nair Sinai Hospital of Baltimore, Inc. Baltimore, Maryland and David Kritchevsky The Wistar Institute Philadelphia, Pennsylvania PLENUM PRESS. NEW YORK AND LONDON Library of Congress Cataloging in Publication Data Many entry under tide: The Bile acids. Includes bibliographical references. CONTENTS: v.I. Chemistry.-v. 2. Physiology and Metabolism.-v. 3. Patho physiology. 1. Bile acids. 2. Bile salts. I. Nair, Padmanabhan, P., 1931- ed. n. Krit- chevsky, David, 1920- ed. QP752.B54B54 599'.01'9243 71-138520 ISBN 978-1-4615-7565-8 ISBN 978-1-4615-7563-4 (eBook) DOI 10.1007/978-1-4615-7563-4 © 1976 Plenum Press, New York Softcover reprint of the hardcover 1st edition 1976 A Division of Plenum Publishing Corporation 227 West 17th Street, New York, N.Y. 10011 All rights reserved No part of this book may be reproduced. stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, microfilming, recording, or otherwise, without written permission from the Publisher CONTRIBUTORS George Bonorris JayW. Marks Section of Gastroenterology Section of Gastroenterology Department of Medicine Department of Medicine Cedars-Sinai Medical Center Cedars-Sinai Medical Center Los A ngeles, California Los Angeles, California Robert L. Campbell Department of Surgery E. H. Mosbach Wayne State University School of Medicine Department of Lipid Research Detroit, Michigan The Public Health Research Institute of the City of New York, Inc. Jacqueline Dupont New York City, New York Department of Food Science and Nutrition Colorado State University Fort Collins, Colorado P. P. Nair Biochemistry Research Division Helmut Greim Department of Medicine Sinai Hospital of Baltimore, Inc. Abteilung fUr Toxikologie Baltimore, Maryland Gesellschaft fUr Strahlen-und-Umweltforschung Neuherberg, Germany Harold J. Nicholas M. J. Hill Institute of Medical Education and Research and Department of Biochemistry BacterialMetabolism Research Laboratory St. Louis University School of Medicine Rear of Colindale Hospital St. Louis, Missouri London, England Phyllis Janson Norman D. Nigro Department of Food Science and Nutrition Department of Surgery Colorado State University Wayne State University School of Medicine Fort Collins, Colorado Detroit, Michigan David Kritchevsky Suk Yon Oh The Wistar Institute of Anatomy Department of Food Science and Nutrition and Biology Colorado State University Philadelphia, Pennsylvania Fort Collins, Colorado v vi Contributors G. Saten Leslie J. Schoenf ield College of Medicine and Dentistry Section of Gastroenterology of New Jersey Department of Medicine New Jersey Medical School Cedars-Sinai Medical Center Newark, New Jersey and Los Angeles, California East Orange Veterans Administration Hospital Jon A. Story East Orange, New Jersey The Wistar Institute of Anatomy and Biology Philadelphia, Pennsylvania PREFACE The first two volumes of this series addressed themselves to the chemistry, physiology, and metabolism of the bile acids. The present volume is devoted to the pathophysiology of bile acids. As the role of bile acids in health and disease is being increasingly recognized, we have chosen for discussion a wide range of topics of current importance. The presence of bile acids in brain tissue and their possible role in demyelinating diseases form the subject of a provocative discussion. As an extension of this theme, the presence and quantification of bile acids in extrahepatic tissues is the subject of one chapter. The pathophysiological implications of bile acids at the macromolecular level is highlighted by a chapter on the influence of bile salts on the activity of various enzymes. The general area of hepatobiliary diseases is discussed in two chapters: one describes changes in bile salt metabolism in liver diseases and the other focuses on cholesterol gallstones and their formation and dissolution. Cerebrotendinous xanthomatosis has been shown to entail a defect in bile acid and sterol metabolism, and this metabolic error is the subject of an illuminating exposition. There is presently a concerted research effort being brought to bear on the causes of colon cancer, and one important aspect of this work centers on bile acid metabolism. Aspects of bile acid metabolism and cancer are the subject of two chapters. And finally, the role of dietary fiber in bile acid metabolism is updated. We wish to acknowledge the invaluable assistance of Miss Jane T. Kolimaga in the preparation of the indexes. This work was supported in part by Grants HL-03299, HL-05209, AM-02l31 and a Research Career Award (DK), HL-0734 from the National Institutes of Health, United States Public Health Service. P.P. N. Baltimore, Maryland D.K. Philadelphia, Pennsylvania vii CONTENTS Chapter 1 Bile Acids and Brain ...... . . . . . . . . . . • . . . . . . • . • • • . . . . . . . • . . . . . . . . 1 by Harold J. Nicholas I. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 II. Brain Cholesterol Biosynthesis. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2 III. Brain Cholesterol Turnover ................................ 3 IV. Reactions of Normal Brain Tissue with the Cholesterol Nucleus .. 5 V. Reactions of Brain with the Side Chain of Cholesterol . . . . . . . . .. 8 VI. Brain, Bile Acids, and the Demyelinating Diseases ............. to References .............................................. 12 Chapter 2 Tissue Distribution of Bile Acids: Methodology and Quantification 17 by Jacqueline Dupont, Suk Yon Oh, and Phyllis Janson I. Introduction .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 17 II. Extraction Methodology ................................... 18 III. Tests of Extraction Methods ............................... 19 A. Liquid-Liquid ........................................ 19 B. Liquid-Solid.......................................... 20 IV. Quantification and Identification Methodology. . . . . . . . . . . . . . .. 23 V. Tissue Cholanoic Acids: Results of Quantitation ............... 23 References .............................................. 27 Chapter 3 Bile-Salt-Protein Interactions ...•....•.....•....•.....••......... 29 by P. P. Nair I. Introduction ............................................. 29 II. Nature of Molecular Interactions ........................... 30 ix x Contents III. Covalent Linkage of Bile Acids to Proteins ................... 31 IV. Molecular Interactions and Enzymatic Activity ............... 34 A. Sterol Ester Hydrolases ................................ 34 B. Lipases .............................................. 37 C. Esterases ............................................. 40 D. Arylsulfatases ........................................ 42 E. fI-Galactosidases and Amylase .......................... 42 F. Nucleotidases and Phosphatases ......................... 44 G. Peptide Bond Hydrolases ............................... 46 H. Oxidoreductases ...................................... 48 I. Other Bile-Salt-Protein Interactions ...................... 48 V. Pathophysiological Implications ............................ 49 References .............................................. 49 Chapter 4 Bile Acids in Hepato-Biliary Diseases. . . . . . . • • • . • . • . . . . • • • . . . . . . . .. 53 by Helmut Greim I. Introduction ...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 53 II. Bile Acid Metabolism in Hepatic Diseases .................... 53 A. Changes in the Steroid Nucleus .......................... 55 B. Changes in the Ratio of Glycine and Taurine Conjugates .... 56 C. Sulfation and Glucuronidation ........................... 58 D. Differences in Bile Acid Metabolism Between Laboratory Animals and Man . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 59 III. Role of Bile Acids in Hepato-Biliary Disorders ................ 59 A. Hepatocellular Necrosis ................................ 60 B. Inhibition of Drug Metabolism .......................... 61 C. Pruritus.............................................. 62 D. Malabsorption ........................................ 63 E. The Blind Loop Syndrome after Jejuno-Ileal Bypass ........ 64 F. Gallstone Formation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 65 IV. Bile Acid Kinetics, Pattern, and Concentration in Hepatic Disorders .............................................. 67 A. Bile Acids for Diagnosis of Hepatic Disorders. . . . . . . . . . . . .. 69 B. Acute Hepatitis ....................................... 70 C. Chronic Hepatitis and Cirrhosis ......................... 71 D. Intra- and Extrahepatic Cholestasis ...................... 72 References .............................................. 74 Contents xi Chapter 5 Pathophysiology and Dissolution of Cholesterol Gallstones •........... 81 by Jay W. Marks, George G. Bonorris, and Leslie J. Schoenfield I. Biliary Lipid Physiology ................................... 82 A. Cholesterol ........................................... 82 B. Bile Acids ............................................ 84 C. Phospholipids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 86 D. Bile Acid Regulation of Cholesterol and Phospholipid Metabolism ........................................ 87 E. Biliary Secretion ...................................... 88 II. Pathophysiology of Cholesterol Gallstone Formation ........... 90 A. Stages of Gallstone Formation .......................... 90 B. Mechanism of Cholesterol Saturation ..................... 95 C. Role of the Gallbladder ................................. 99 D. Predisposing Factors ................................... 100 III. Chenodeoxycholic Acid Treatment of Gallstones .............. 103 A. Clinical Trials ........................................ 103 B. Mechanism of Action .................................. 104 C. Dose ................................................ 105 D. Prophylaxis and Retained Stones ........................ 106 E. Side Effects .......................................... 106 IV. Potential Agents for Treatment of Cholesterol Gallstones ....... 108 References .............................................. 109 Chapter 6 The Metabolism of Sterols and Bile Acids in Cerebrotendinous Xanthomatosis ••............................•....•..... 115 by G. Salen and E. H. Mosbach I. Introduction ............................................. 115 II. Clinical Manifestations .................................... 117 III. Biochemical Findings ..................................... 119 IV .. Inheritance ................................. " ........... 119 V. Tissue Concentrations of Cholesterol and Cholestanol in CTX ... 121 A. Brain Tissue .......................................... 121 B. Sterol Composition in Xanthomas ....................... 121 C. Sterol Composition in Tissues Other Than Brain ........... 122 D. Neutral Sterol Composition in Bile ....................... 124 E. Bile Acid Composition in Bile ........................... 125 VI. Quantitative Aspects of Cholesterol Turnover ................. 126

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The first two volumes of this series addressed themselves to the chemistry, physiology, and metabolism of the bile acids. The present volume is devoted to the pathophysiology of bile acids. As the role of bile acids in health and disease is being increasingly recognized, we have chosen for discussio
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