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  • Title: Acute effects of cholestyramine on serum lipoprotein concentrations in type II hyperlipoproteinaemia.
    Author: Olsson AG, Dairou F.
    Journal: Atherosclerosis; 1978 Jan; 29(1):53-61. PubMed ID: 204317.
    Abstract:
    Twelve subjects with primary type IIA hyperlipoproteinaemia were treated with cholestyramine under metabolic ward conditions in order to study the timing of effects of different serum lipoprotein classes. After 1 day's treatment changes occurred in all 3 classes, i.e., very low (VLDL), low (LDL) and high (HDL) density lipoprotein classes. VLDL increased abruptly and remained constant during treatment. The ratio of cholesterol/triglycerides decreased suggesting the formation of larger particles. LDL cholesterol decreased continuously suggesting a different mechanism behind this effect than that on VLDL. LDL triglyceride remained constant indicating a relative increase of LDL1. HDL cholesterol decreased while HDL triglycerides increased. All changes made the lipoprotein pattern more "type IV-like". The findings were in agreement with an increased formation of VLDL and an increased flux of lipoprotein through the cascade VLDL-IDL-LDL1-LDL2.
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