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      Call for Papers: Green Renal Replacement Therapy: Caring for the Environment

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      About Blood Purification: 3.0 Impact Factor I 5.6 CiteScore I 0.83 Scimago Journal & Country Rank (SJR)

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      Coincident Activation of Th2 T Cells with Onset of the Disease and Differential Expression of GRO-Gamma in Peripheral Blood Leukocytes in Minimal Change Disease

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          Abstract

          Background: Involvement of Th2 T cells/NFĸB in minimal change disease (MCD) has been postulated. A promising but unconfirmed glomerular permeability factor (GPF) from MCD T cells has been described. We explored whether GPF was the consequence of Th2 cell activation. Methods: Peripheral blood leukocytes (PBL) from 16 MCD patients and 7 normal controls were analyzed and the results were statistically compared. Results: Flow cytometry demonstrated a significant expansion of CD4+ T cell population and dramatically increased CD69+ cells among CD4+ T cells in MCD, suggesting coincident activation of T cells with onset of the disease. RT-PCR on RNA from either freshly isolated PBL or post in vitroactivation showed high-level expression of the Th2 cytokine interleukin-4 in all MCD patients. Importantly, both antibody microarray assay on sera and RT-PCR on mRNA of PBL revealed expression of a CXC chemokine GRO-γ (growth-related oncogene) in all MCD patients as compared with one of 7 controls. Conclusions: Our results reveal an association between onset of MCD and activation of Th2 cells. The GRO family has been implicated in the function of endothelial cells, and its expression is under NFĸB regulation. Thus, GRO-γ is a promising candidate for Th2-associated GPF in MCD.

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          Development of TH1 CD4+ T cells through IL-12 produced by Listeria-induced macrophages

          C C Hsieh, S Macatonia, Adam C Tripp … (1993)
          Development of the appropriate CD4+ T helper (TH) subset during an immune response is important for disease resolution. With the use of naïve, ovalbumin-specific alpha beta T cell receptor transgenic T cell, it was found that heat-killed Listeria monocytogenes induced TH1 development in vitro through macrophage production of interleukin-12 (IL-12). Moreover, inhibition of macrophage production of IL-12 may explain the ability of IL-10 to suppress TH1 development. Murine immune responses to L. monocytogenes in vivo are of the appropriate TH1 phenotype. Therefore, this regulatory pathway may have evolved to enable innate immune cells, through interactions with microbial pathogens, to direct development of specific immunity toward the appropriate TH phenotype.
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            Pathogenesis of lipoid nephrosis: a disorder of T-cell function.

            J Shalhoub (1974)
            Clinical observations suggest that lipoid nephrosis is produced by a systemic abnormality of T-cell function resulting in the secretion of a circulating chemical mediator toxic to an immunologically innocent glomerular basement membrane. The lack of evidence of a humoral antibody response, remission induced by measles which modifies cell-mediated immunity, the therapeutic benefits of steroids and cyclophosphamide which also abate cell-mediated responses, and the occurrence of this syndrome in Hodgkin's disease support this hypothesis. The susceptibility of untreated patients to pneumococcal infections may be of primary or secondary pathogenetic importance. Taken together, the data suggest that this syndrome is a clinical expression of a self-limited primary immune-deficiency disease.
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              Changing etiologies of unexplained adult nephrotic syndrome: a comparison of renal biopsy findings from 1976-1979 and 1995-1997.

              S. Meehan, Christine M. Haas, T Karrison … (1997)
              Data compiled during the 1970s and early 1980s indicated that during these periods, membranous nephropathy was the most common cause of unexplained nephrotic syndrome in adults, followed in order of frequency by minimal-change nephropathy and focal segmental glomerulosclerosis (FSGS). However, we and others recently reported an increase in the incidence of FSGS over the past two decades, and the number of cases of FSGS diagnosed by renal biopsies in these centers now exceeds the number of cases of membranous nephropathy. Nonetheless, as a substantial fraction of patients with FSGS do not have the nephrotic syndrome, it remained unclear as to what extent the relative frequencies of FSGS and other glomerulopathies as causes of the nephrotic syndrome have changed over this time. To address this concern, we reviewed data from 1,000 adult native kidney biopsies performed between January 1976 and April 1979 and from 1,000 biopsies performed between January 1995 and January 1997, identified all cases with a full-blown nephrotic syndrome of unknown etiology at the time of biopsy, and compared the relative frequencies with which specific diseases were diagnosed in these latter cases between the two time intervals. The main findings of this study were that, first, during the 1976 to 1979 period, the relative frequencies of membranous (36%) and minimal-change (23%) nephropathies and of FSGS (15%) as causes of unexplained nephrotic syndrome were similar to those observed in previous studies during the 1970s and early 1980s. In contrast, from 1995 to 1997, FSGS was the most common cause of this syndrome, accounting for 35% of cases compared with 33% for membranous nephropathy. Second, during the 1995 to 1997 period, FSGS accounted for more than 50% of cases of unexplained nephrotic syndrome in black adults and for 67% of such cases in black adults younger than 45 years. Third, although the relative frequency of nephrotic syndrome due to FSGS was two to three times higher in black than in white patients during both study periods, the frequency of FSGS increased similarly among both racial groups from the earlier to the later period. Fourth, the frequency of minimal-change nephrotic syndrome decreased from the earlier to the later study period in both black and white adults. Fifth, the relative frequency of membranoproliferative glomerulonephritis as a cause of the nephrotic syndrome declined from the 1976 to 1979 period to the 1995 to 1997 period, whereas that of immunoglobulin A nephropathy appeared to increase; the latter accounted for 14% of cases of unexplained nephrotic syndrome in white adults during the latter study period. Finally, 10% of nephrotic adults older than 44 years had AL amyloid nephropathy; none of these patients had multiple myeloma or a known paraprotein at the time of renal biopsy.
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                Author and article information

                Journal
                Journal ID (publisher-id): AJN
                Journal ID (nlm-ta): Am J Nephrol
                Journal ID (doi): 10.1159/issn.0250-8095
                Title: American Journal of Nephrology
                Publisher: S. Karger AG
                ISSN (Print): 0250-8095
                ISSN (Electronic): 1421-9670
                Publication date Subscription-year: 2007
                Publication date (Print): May 2007
                Publication date (Electronic): 27 March 2007
                Volume: 27
                Issue: 3
                Pages: 253-261
                Affiliations
                aDepartment of Medicine, Baylor College of Medicine and the Methodist Hospital, bDepartment of Diagnostic Sciences, University of Texas Houston, Houston, Tex., and cDepartment of Medicine, University of Florida, Gainesville, Fla., USA
                Article
                Publisher ID: 101371 Other ID: Am J Nephrol 2007;27:253–261
                DOI: 10.1159/000101371
                PubMed ID: 17389786
                SO-VID: a83f5957-7167-45da-aef7-5c02d006cef4
                Copyright © © 2007 S. Karger AG, Basel
                License:

                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 : 25 January 2007
                Date accepted : 27 February 2007
                Page count
                Figures: 5, Tables: 3, References: 38, Pages: 9
                Categories
                Subject: Original Report: Laboratory Investigation

                ScienceOpen disciplines: Cardiovascular Medicine,Nephrology
                Keywords: Minimal change disease,Th2 T cell activation,Chemokine,Growth-related oncogene-γ
                Data availability:
                ScienceOpen disciplines: Cardiovascular Medicine, Nephrology
                Keywords: Minimal change disease, Th2 T cell activation, Chemokine, Growth-related oncogene-γ

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