Apolipoprotein A1 + B

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Apolipoprotein A1 + B

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Apo A1 is a protein that has a specific role in the metabolism of lipids and is the main protein component in high-density lipoprotein or HDL (the "good" cholesterol). HDL removes excess cholesterol from cells and takes it to the liver for recycling or disposal. Levels of Apo A1 tend to rise and fall with HDL levels and deficiencies in Apo A1 correlate with an increased risk of developing cardiovascular disease (CVD). Apo B is the primary protein component of low-density lipoprotein or LDL (the "bad" cholesterol) and is involved in the metabolism of lipids. Concentrations of Apo B tend to mirror those of LDL. An Apo A1 may be ordered along with an Apo B test to determine an Apo B/Apo A1 ratio. This ratio is sometimes used as an alternative to a total cholesterol/HDL ratio (sometimes reported as part of a lipid profile) to evaluate risk for developing CVD.

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Apolipoprotein A1 + B

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