Human Renin Granules: Ultrastructural Aspects

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Abstract

The ultrastructure of human renin granules has been studied from a case of Bartter’s syndrome. Renin bodies present roundish (R), lobulated (L) or sharply angulated (SA) shapes. The latter are indicative of the highest rates of renin synthesis and thereby of the greatest concentrations of the pressor enzyme. Their singular shape is consistent with the form monoclinic crystals assume when they grow in an isotropic medium. R granules form owing to filling of Golgian vesicles by renin. R bodies may then coalesce for giving rise to transient L forms. Renin is released through leak from the containing granules into the intracellular space.

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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: 1983

Publication date (Print): 1983

Publication date (Electronic): 03 December 2008

Volume: 33

Issue: 1

Pages: 29-33

Affiliations

^aIstituto di Patologia speciale medica e ^bCentro di Microscopia elettronica, Università di Ferrara; ^cServizio di Nefrologia e Dialisi, Arcispedale S. Anna, Ferrara, Italia

Article

Publisher ID: 182900 Other ID: Nephron 1983;33:29–33

DOI: 10.1159/000182900

PubMed ID: 6339964

SO-VID: 73a0b117-3dfe-4785-9bc4-0f05893919ff

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 accepted : 23 July 1982

Page count

Pages: 5

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