Modification of membrane protein organization during in vitro aging of human erythrocytes

A. Brovelli, C. Seppi, C. Balduini

Research output: Contribution to journalArticle


1. 1. In in vitro aged human erythrocytes, the presence of protein clusters can be found on the membrane; these clusters are made up of peptides held together by disulfide bridges, since they can be nearly completely dissociated by dithiothreitol treatment. 2. 2. SDS-polyacrylamide gel electrophoresis after dithiothreitol dissociation indicates that the aggregates are made of peptide fragments with a molecular weight ranging from 20 to ~ 110 kdalton; none of these fragments correspond to an intact protein component of the membrane. 3. 3. Their formation results from oxidation and proteolysis of membrane, and perhaps cytoplasmic proteins.

Original languageEnglish
Pages (from-to)1115-1120
Number of pages6
JournalInternational Journal of Biochemistry
Issue number11
Publication statusPublished - 1984


ASJC Scopus subject areas

  • Biochemistry

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