Apoprotein (A)

《英文msh詞典》Apoprotein (A)
[入口詞] Apoprotein (A)
[主題詞] Apolipoproteins A
[英文釋義] Lipoproteins found in human blood serum in the high-density and very-high-density lipoprotein fraction (HDL; VHDL). They consist of several different polypeptides,the most important of which are apolipoprotein A-I and A-II. They maintain the structural integrity of the HDL particles and are activators of lecithin:cholesterol acyltransferase (LCAT). Atherosclerotic patients show low apolipoprotein A levels and these apolipoproteins are either absent or present in extremely low plasma concentration in TANGIER DISEASE.