Provided is a method of measuring a lipoprotein's ability to uptake cholesterol including the steps of: bringing a lipoprotein in a sample into contact with labeled cholesterol to incorporate the labeled cholesterol into the lipoprotein; bringing the lipoprotein having the labeled cholesterol into contact with an antibody that binds to a lipoprotein to form a complex of the lipoprotein and the antibody; and measuring the label generated from the complex.
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