Ag(c): recognition by a monoclonal antibody.
Author(s) -
Miguel T. Robinson,
Verne N. Schumaker,
R. Bütler,
Kimberley Berg,
Linda K. Curtiss
Publication year - 1986
Publication title -
arteriosclerosis an official journal of the american heart association inc
Language(s) - English
Resource type - Journals
eISSN - 2330-9180
pISSN - 0276-5047
DOI - 10.1161/01.atv.6.3.341
Subject(s) - apolipoprotein b , epitope , monoclonal antibody , biology , antibody , gene , microbiology and biotechnology , allele , genetics , chemistry , biochemistry , cholesterol
A monoclonal antibody directed against human apolipoprotein B, which was previously shown in family studies to detect allelic variations (J Biol Chem 1984; 259:6423-6430), has now been identified with the Ag(c) factor. This identification allows the location of the Ag system on the structural gene for apolipoprotein B and on the short arm of human chromosome 2. The epitope corresponding to Ag(c) is located within the amino acid sequence common to apolipoproteins B-100 and B-48. Since a single molecule of apolipoprotein B-100 is present on human LDL, individual LDL possesses either the epitope corresponding to Ag(c) or that corresponding to Ag(g). These studies on allelic variation among human apolipoprotein B species parallel similar studies in animals in which a relationship to atherosclerosis was found.
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