Friday, August 06, 2010

 

cholesterol apolipoprotein A 1


zoep apolipoprotein A 1 op Wikipedia


Apolipoprotein A-I is a protein that in humans is encoded by the APOA1 gene.[1][2] It has a specific role in lipid metabolism.

Apolipoprotein A-I is the major protein component of high density lipoprotein (HDL) in plasma. The protein promotes cholesterol efflux from tissues to the liver for excretion. It is a cofactor for lecithin cholesterolacyltransferase (LCAT) which is responsible for the formation of most plasma cholesteryl esters. ApoA-I was also isolated as a prostacyclin (PGI2) stabilizing factor, and thus may have an anticlotting effect.[3] Defects in the gene encoding it are associated with HDL deficiencies, including Tangier disease, and with systemic non-neuropathic amyloidosis.[4]


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