Molecular bases of low production rates of apolipoprotein B-100 and truncated apoB-82 in a mutant HepG2 cell line generated by targeted modification of the apolipoprotein B gene.

Abstract excerpt

In subjects with familial hypobetalipoproteinemia heterozygous for truncated forms of apolipoprotein B, both apoB-100 and the truncated forms are produced at lower than expected rates. We studied the mechanism of low levels of apoB in a cell model produced by targeted modification of the apob gene of HepG2 cells. One of the three alleles of apob was found to be targeted. The targeted cells expressed apoB-100 and...

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