to study the role of the two postheparin plasma lipolytic enzymes , lipoprotein lipase ( lpl ) and hepatic lipase ( hl ) in high density lipoprotein ( hdl ) metabolism at a population level , we determined serum lipoproteins , apoproteins a-i , a-ii , b , and e , and postheparin plasma lpl and hl activities in 65 subjects with a mean hdl-cholesterol of 34 mg/dl and in 62 subjects with a mean hdl-cholesterol of 87 mg/dl .
C0229671
serum
C0032105
plasma