Isolation and quantification of apolipoproteins C-I, C-II, and C-III0-2 in very-low-density lipoproteins by "high-performance" anion-exchange chromatography.
Using "high-performance" anion-exchange chromatography, we isolated and quantified human C apolipoproteins (apo C) from very-low-density lipoproteins (VLDL) in serum. As revealed by isoelectric focusing and double immunodiffusion against monospecific antisera, apo C-I, apo C-II, apo C-III0, apo C-III1, and apo C-III2 were purified to homogeneity. Assay reproducibility (coefficients of variation) ranged between 0.9% and 4.7%. The relative percentages of apo C subspecies in VLDL from normal and hypertriglyceridemic serum samples agreed with data obtained by alternative methods. This precise technique is suitable for detecting and analyzing abnormalities of C apolipoproteins in VLDL.
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P
Weisweiler
C
C
Friedl
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P
Schwandt
D053302:Apolipoprotein C-I; D053304:Apolipoprotein C-II; D053305:Apolipoprotein C-III; D001056:Apolipoproteins C / Q000097:blood* / Q000302:isolation & purification; D002851:Chromatography, High Pressure Liquid; D002852:Chromatography, Ion Exchange; D006801:Humans; D007525:Isoelectric Focusing; D008079:Lipoproteins, VLDL / Q000097:blood
D053302:Apolipoprotein C-I; D053304:Apolipoprotein C-II; D053305:Apolipoprotein C-III; D001056:Apolipoproteins C; D008079:Lipoproteins, VLDL