Aortic cholesterol esterase: studies in White Carneau and Show Racer pigeons
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TL;DR
The White Carneau pigeon is susceptible to atherosclerosis and its ratio of aortic cholesterol ester synthesizing to hydrolyzing activity was 1.21 compared to 0.73 for Show Racer pigeons.
Abstract
The aortic cholesterol esterase of pigeons of the Show Racer and White Carneau strains was studied using acetone dry powder preparations. The White Carneau pigeon is susceptible to atherosclerosis and its ratio of aortic cholesterol ester synthesizing to hydrolyzing activity was 1.21 compared to 0.73 for Show Racer pigeons. The synthetase/ hydrolase ratio for proximal and distal portions of the aorta was 0.48 and 0.52 for Show Racer pigeons and 0.65 and 0.95 for White Carneau pigeons.