Methylenetetrahydrofolate Reductase Polymorphism in Childhood Primary Focal Segmental Glomerulosclerosis

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Abstract

Aim: The purpose of this study was to evaluate the association between the methylenetetrahydrofolate reductase (MTHFR) C/T polymorphism and the prevalence and course of focal segmental glomerulosclerosis (FSGS) in our pediatric population. Methods: Genotypes for MTHFR were determined in 15 primary FSGS patients (male/female, 6/9) and 238 control subjects (male/female, 110/128) by the polymerase chain reaction and restriction fragment length polymorphism method. Results: For the whole group, the genotype frequencies (CC/CT/TT) of MTHFR in FSGS and control subjects were almost comparable. The TT genotype was associated with early onset of the disease as compared with the CC genotype. Furthermore, all the patients with the TT genotype had steroid-resistant FSGS and developed into end-stage renal failure, while those carrying either CC or CT genotype did not. Conclusion: We speculate that the TT genotype may be associated with early development and progression of childhood FSGS. Confirmatory studies using larger and ethnically distinct populations are needed to reveal the role of homocysteine in FSGS with consideration of medical interventions.

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Significance of ACE Genotypes and Medical Treatments in Childhood Focal Glomerulosclerosis

Chikahide Hori, Masahiro Hiraoka, Norishige Yoshikawa … (2001)

Backtround: There is little information on the significance of angiotensin-converting enzyme (ACE) genotypes and medical treatments in children with primary focal segmental glomerulosclerosis (FSGS). Methods: A multicenter retrospective study was performed on the role of ACE genotypes and medical treatments in 43 Japanese children with FSGS (20 males and 23 females), including 17 children who progressed to end-stage renal failure during the mean observation period of 6.9 ± (SD) 5.0 years. Results: The incidence of the D allele of the ACE gene was higher in the whole group of 43 children with FSGS and in a subgroup of 28 steroid-resistant FSGS children (p < 0.05) than in the 130 children of the healthy control group (0.48, 0.48, and 0.33, respectively). ACE genotypes did not affect renal survival in the whole FSGS group nor in the steroid-resistant subgroup. Among the 28 steroid-resistant children, treatment with ciclosporin was effective in delaying the development of end-stage renal failure (p = 0.044), independently of other treatment regimens. Conclusion: The present study of Japanese children with FSGS showed that the D allele of the ACE gene is associated with the development of FSGS, but not associated with the progression of FSGS which was greatly ameliorated with ciclosporin, irrespective of ACE genotypes.

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Author and article information

Journal

Journal ID (publisher-id): NEF

Journal ID (nlm-ta): Nephron

Journal ID (doi): 10.1159/issn.1660-8151

Title: Nephron

Publisher: S. Karger AG

ISSN (Print): 1660-8151

ISSN (Electronic): 2235-3186

Publication date Subscription-year: 2002

Publication date (Print): October 2002

Publication date (Electronic): 02 September 2002

Volume: 92

Issue: 2

Pages: 449-451

Affiliations

Departments of ^aPediatrics and ^bClinical and Laboratory Medicine, Fukui Medical University, Fukui, and ^cPediatrics, Chukyo Hospital, Nagoya, Japan

Article

Publisher ID: 63283 Other ID: Nephron 2002;92:449–451

DOI: 10.1159/000063283

PubMed ID: 12218328

SO-VID: a836de91-99c8-48f9-87ea-f8212abb8995

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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

Date received : 07 November 2001

Page count

Tables: 1, References: 8, Pages: 3

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Influence of Cytokine Gene Polymorphisms on Focal Segmental Glomerulosclerosis
Authors: Christos Bantis, Peter J Heering, Yvonne Luther …

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