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. 2009 Dec 22;59(3):580–587. doi: 10.2337/db09-1297

FIG. 2.

FIG. 2.

Compartmental model of VLDL1 and VLDL2 apoB metabolism. The same structural model was used for both apoB48 and apoB100. D2, intracellular delay compartment that accounts for synthesis, assembly, and secretion of apolipoproteins; Q1, plasma deuterated-leucine enrichment; Q4, isotopic dilution; Q11, VLDL1 lipoprotein output for apoB48 or apoB100; Q12, VLDL2 lipoprotein output for apoB48 or apoB100.