Vitamin B New Research

The B vitamins are eight water-soluble vitamins that play important roles in cell metabolism. Historically, the B vitamins were once thought to be a single vitamin, referred to as Vitamin B (much like how people refer to Vitamin C or Vitamin D). Later research showed that they are chemically distinct vitamins that often coexist in the same foods. Supplements containing all eight B vitamins are generally referred to as a vitamin B complex. Individual B vitamin supplements are referred to by the specific name of each vitamin (e.g. B1, B2, B3). The B vitamins often work together to deliver...
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Vitamin B New ResearchVITAMIN B: NEW RESEARCHVITAMIN B: NEW RESEARCH CHARLYN M. ELLIOT EDITOR Nova Biomedical Books New YorkCopyright © 2008 by Nova Science Publishers, Inc.All rights reserved. No part of this book may be reproduced, stored in a retrieval system ortransmitted in any form or by any means: electronic, electrostatic, magnetic, tape, mechanicalphotocopying, recording or otherwise without the written permission of the Publisher.For permission to use material from this book please contact us:Telephone 631-231-7269; Fax 631-231-8175Web Site: http://www.novapublishers.com NOTICE TO THE READERThe Publisher has taken reasonable care in the preparation of this book, but makes no expressedor implied warranty of any kind and assumes no responsibility for any errors or omissions. Noliability is assumed for incidental or consequential damages in connection with or arising out ofinformation contained in this book. The Publisher shall not be liable for any special,consequential, or exemplary damages resulting, in whole or in part, from the readers’ use of, orreliance upon, this material.Independent verification should be sought for any data, advice or recommendations contained inthis book. In addition, no responsibility is assumed by the publisher for any injury and/or damageto persons or property arising from any methods, products, instructions, ideas or otherwisecontained in this publication.This publication is designed to provide accurate and authoritative information with regard to thesubject matter covered herein. It is sold with the clear understanding that the Publisher is notengaged in rendering legal or any other professional services. If legal or any other expertassistance is required, the services of a competent person should be sought. FROM ADECLARATION OF PARTICIPANTS JOINTLY ADOPTED BY A COMMITTEE OF THEAMERICAN BAR ASSOCIATION AND A COMMITTEE OF PUBLISHERS.LIBRARY OF CONGRESS CATALOGING-IN-PUBLICATION DATAVitamin B : new research / Charlyn M. Elliot, editor. p. ; cm.Includes bibliographical references and index.ISBN-13: 978-1-60692-697-01. Vitamin B in human nutrition. I. Elliot, Charlyn M. [DNLM: 1. Vitamin B Complex--pharmacology. 2. Vitamin B 12--therapeutic use. 3. Vitamin BComplex--therapeutic use. QU 187 V837 2007]QP772.V52V58 2007612.399--dc22 2007021180 Published by Nova Science Publishers, Inc. New York CONTENTSPreface viiExpert CommentaryCommentary Cobalamin Communication Current State of Oral Vitamin B12 Treatment 1 Karin BjörkegrenResearch and Review ArticlesChapter I Inhibitory Effect of Vitamin B6 Compounds on DNA Polymerase, DNA Topoisomerase and Human Cancer Cell Proliferation 5 Yoshiyuki Mizushina,, Norihisa Kato, Hiromi Yoshida and Kiminori MatsubaraChapter II The Causes and Consequences of Vitamin B-3 Deficiency: Insights from Five Thousand Cases 21 Harold D. Foster and Abram HofferChapter III Folic Acid and Health: An Overview 39 Rossana Salerno-KennedyChapter IV Nutritional Issues in Inflammatory Bowel Disease: Focus on the Vitamin B Complex Deficiencies and their Clinical Impact 57 Petros Zezos and Georgios KouklakisChapter V New Bacterial Cobalamin-Dependent CoA-Carbonyl Mutases Involved in Degradation Pathways 81 Thore Rohwerder and Roland H. MüllerChapter VI Cystalysin: An Example of the Catalytic Versatility of Pyridoxal 5’-Phosphate Dependent Enzymes 99 Barbara Cellini, Riccardo Montioli and Carla Borri Voltattornivi ContentsChapter VII Vitamin B Treatment and Cardiovascular Events in Hyperhomocysteinemic Patients 121 Marco RighettiChapter VIII Vitamin B12, Folate Depletion and Homocysteine: What Do They Mean for Cognition ? 139 Rita Moretti, Paola Torre and Rodolfo M. AntonelloChapter IX Vitamin B6 as Liver-targeting Group in Drug Delivery 153 Guo-Ping Yan, Xiao-Yan Wang and Li-Li MeiChapter X The Role and Status of Vitamin B12: Need for Clinical Reevaluation and Change 175 Ilia Volkov, Inna Rudoy and Yan PressIndex ...