Two-dimensional electrophoresis of plasma polypeptides reveals 'high' heterozygosity indices

B. B. Rosenblum, J. V. Neel, S. M. Hanash

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Abstract

A series of 62 plasma samples have been examined for genetic variation by the technique of two-dimensional polyacrylamide gel electrophoresis followed by silver-staining of the gels. Twenty polypeptides chosen without respect to variability were considered suitable for scoring. Of the total of 1,240 polypeptides, 29 could not be scored unambiguously. Seventy-five of the remaining 1,211 exhibited the combination of a normal and a variant polypeptide. All variants were present in either the father or the mother of the subject. This index of heterozygosity (6.2 ± 0.7%) is substantially higher than those reported by others in similar studies of human fibroblasts, lymphocytes, kidney, or brain cells.

Original languageEnglish (US)
Pages (from-to)5002-5006
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume80
Issue number16 I
DOIs
StatePublished - 1983
Externally publishedYes

ASJC Scopus subject areas

  • General

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