Also found in: Acronyms.
an apolipoprotein found in HDL and chylomicrons. It stabilizes HDL.
a protein component of lipoprotein complexes found in high-density lipoprotein and chlyomicrons, which activates hepatic lipase.
APOA2A gene on chromosome 1q21-q23 that encodes apolipoprotein A2, a protein component of high-density lipoprotein (HDL), which is present in plasma as a monomer, homodimer or heterodimer with apolipoprotein D.
APOA2 mutations cause apolipoprotein A2 deficiency or hypercholesterolaemia.