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      Low-Molecular-Weight Peptides in Corneal Tissue Culture Media and in Bovine Aqueous Fluid


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          Eight putative, low-molecular-weight peptides have been found in the media of bovine corneal tissue cocultures and in bovine aqueous fluid. By investigating amine fluid extracts from these sources by HPLC, possible amino acids, vitamins and urea were eliminated as the unknown peaks of interest. The molecular weights of these substances were equal to or less than 1,000 D. The peaks did not correspond to glutathione or bradykinin either which fall in this molecular weight range. As the cultures aged from 10 to 32 days, it was found that 5 of the 8 peptides varied in concentration. Five peptides increased in concentration to day 17 and slowly decreased afterwards. Efforts are now directed toward the identification of these peptides.

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          Author and article information

          Ophthalmic Res
          Ophthalmic Research
          S. Karger AG
          11 December 2009
          : 26
          : 1
          : 17-22
          Vision Science Research Center, School of Optometry, The University of Alabama at Birmingham, Ala., USA
          267369 Ophthalmic Res 1994;26:17–22
          © 1994 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.

          : 18 February 1993
          : 13 July 1993
          Page count
          Pages: 6
          Original Paper

          Vision sciences,Ophthalmology & Optometry,Pathology
          Tissue culture,Peptides,HPLC,Cornea,Aqueous fluid,Paracrine hormones


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