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      Circulating Burst-Forming-Unit Erythroid and the Responsiveness to Recombinant Human Erythropoietin in Patients on Regular Hemodialytic Treatment

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          Abstract

          The dose of recombinant human erythropoietin (r-HuEpo) required to correct anemia of end-stage renal disease varies among patients. The possible factors that interfere with the responsiveness to r-HuEpo were not completely known. In 32 patients on regular hemodialytic treatment with marked anemia (Hb 5.6 ± 0.7 g/dl), we evaluated circulating erythroid progenitor cells [burst-forming-unit erythroid (BFU-E)], erythropoietin, ferritin, folate and 1-84-parathormone levels before r-HuEpo therapy. In 12 patients, the aluminum levels after deferoxamine were also evaluated. The possible correlation between these factors and the response to r-HuEpo therapy was then evaluated. The number of circulating (c) BFU-E was highly variable (521 ± 447 colonies/ml of blood; normal level 742 ± 192) and does not correlate with erythropoietin, ferritin, folate, 1-84-parathormone or aluminum levels. A direct correlation between basal cBFU-E and the responsiveness to r-HuEpo therapy was recorded while no correlation was found with the other analyzed parameters. We hypothesized that low basal cBFU-E (interleukin-3 deficiency?) could reduce the response to r-HUEpo because of failure of this hematopoietic stem cell compartment to replenish the pool of more mature erythropoietic progenitor cells during the phase of accelerated maturation induced by r-HuEpo.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1992
          1992
          12 December 2008
          : 62
          : 2
          : 150-154
          Affiliations
          aDivisione Nefrologia e Dialisi, Ospedale Niguarda Cà Granda; bIstituto di Medicina Intema, Università di Milano, Milano; cClinica Medica, Istituto di Scienze Biomediche S. Gerardo, Università di Milano, Monza, Italia
          Article
          187024 Nephron 1992;62:150–154
          10.1159/000187024
          1436306
          4beab1f5-360a-44a2-aa4d-12eda1cb459d
          © 1992 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          History
          : 26 November 1991
          Page count
          Pages: 5
          Categories
          Original Paper

          Cardiovascular Medicine,Nephrology
          Renal anemia,Erythropoietin,Burst-forming-uniterythroid
          Cardiovascular Medicine, Nephrology
          Renal anemia, Erythropoietin, Burst-forming-uniterythroid

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