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      Flow Cytometric Immunodissection of the Human Nephron in vivo and in vitro

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          Abstract

          In the present article, we show that flow cytometric immunodissection of cells immediately following their preparation from a tumor nephrectomy specimen is an accurate way of obtaining pure human primary cultures of proximal convoluted tubule origin, proximal straight tubule origin, distal tubular origin and/or collecting duct origin. By studying the expression of a panel of cell surface markers in these purified cultures, we could identify a number of markers that retain their lineage specificity in vitro. Using these appropriate stable markers, flow cytometry provides a simple yet accurate way of determining cell composition in previously unsorted (mixed type) tubular epithelial cultures in terms of proximal versus distal tubule/collecting duct subpopulations. Both subpopulations in mixed type cultures are shown to retain functional characteristics of their in vivo counterparts (glucose uptake, hormonal stimulation of adenylate cyclase) as well as cell type-specific response patterns (such as inducibility of cell adhesion and histocompatibility molecules), indicating the usefulness of studying cell responses in vitro in a cell-type-dependent way. Finally we illustrate that multi-parameter flow cytometry is a powerful tool for assessing constitutive characteristics of and/or responses by the distinct cell subpopulations present in mixed type cultures.

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          Most cited references 2

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          Established human renal cell lines: Phenotypic characteristics define suitability for use in in vitro models for predictive toxicology

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            Solid phase immunoassay for high molecular weight alkaline phosphatase in human sera using a specific monoclonal antibody

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              Author and article information

              Journal
              EXN
              Nephron Exp Nephrol
              10.1159/issn.1660-2129
              Cardiorenal Medicine
              S. Karger AG
              978-3-8055-6977-4
              978-3-318-00513-4
              1660-2129
              1999
              December 1999
              28 October 1999
              : 7
              : 5-6
              : 360-376
              Affiliations
              Department of Nephrology, University of <city>Antwerp</city>, Belgium
              Article
              20634 Exp Nephrol 1999;7:360–376
              10.1159/000020634
              10559634
              © 1999 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.

              Page count
              Figures: 12, Tables: 1, References: 46, Pages: 17
              Product
              Self URI (application/pdf): https://www.karger.com/Article/Pdf/20634
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