The two apolipoprotein loci apo A-I and apo A-IV are closely linked in man. 1984

O Schamaun, and B Olaisen, and B Mevåg, and T Gedde-Dahl, and C Ehnholm, and P Teisberg

In man the closely linked genes for the apolipoproteins A-I and C-III have been assigned to chromosome 11. Linkage studies performed in a Norwegian family with a mutant apoA-I gene established a close linkage between the loci for apoA-I and apoA-IV. For both sexes combined, the peak lod score was 3.01 at a recombination fraction of 0 = 0.00. Thus this study adds the locus of apoA-IV to the previously reported apolipoprotein gene cluster on chromosome 11. The previously unidentified polymorphic serum protein, USP1, is by immunochemical and electrophoretical methods identified as apoA-IV. ApoA-IV typing should be a valuable tool in elucidating the genomic organization of chromosome 11.

UI MeSH Term Description Entries
D007526 Isoelectric Point The pH in solutions of proteins and related compounds at which the dipolar ions are at a maximum. Isoelectric Points,Point, Isoelectric,Points, Isoelectric
D008040 Genetic Linkage The co-inheritance of two or more non-allelic GENES due to their being located more or less closely on the same CHROMOSOME. Genetic Linkage Analysis,Linkage, Genetic,Analyses, Genetic Linkage,Analysis, Genetic Linkage,Genetic Linkage Analyses,Linkage Analyses, Genetic,Linkage Analysis, Genetic
D008297 Male Males
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D010375 Pedigree The record of descent or ancestry, particularly of a particular condition or trait, indicating individual family members, their relationships, and their status with respect to the trait or condition. Family Tree,Genealogical Tree,Genealogic Tree,Genetic Identity,Identity, Genetic,Family Trees,Genealogic Trees,Genealogical Trees,Genetic Identities,Identities, Genetic,Tree, Family,Tree, Genealogic,Tree, Genealogical,Trees, Family,Trees, Genealogic,Trees, Genealogical
D002906 Chromosomes, Human, 6-12 and X The medium-sized, submetacentric human chromosomes, called group C in the human chromosome classification. This group consists of chromosome pairs 6, 7, 8, 9, 10, 11, and 12 and the X chromosome. Chromosomes C,Group C Chromosomes,Chromosomes, Human, 6-12,Chromosome, Group C,Chromosomes, Group C,Group C Chromosome
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001054 Apolipoproteins A Structural proteins of the alpha-lipoproteins (HIGH DENSITY LIPOPROTEINS), including APOLIPOPROTEIN A-I and APOLIPOPROTEIN A-II. They can modulate the activity of LECITHIN CHOLESTEROL ACYLTRANSFERASE. These apolipoproteins are low in atherosclerotic patients. They are either absent or present in extremely low plasma concentration in TANGIER DISEASE. Apo-A,ApoA

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