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Title: Serum lipids and apolipoproteins A-I, A-II, and B in hyperthyroidism before and after treatment
Authors: Muls, Erik ×
Blaton, Victor
Rosseneu, M
Lesaffre, Emmanuel
Lamberigts, G
De Moor, Pieter #
Issue Date: Sep-1982
Series Title: Journal of Clinical Endocrinology and Metabolism vol:55 issue:3 pages:459-64
Abstract: The serum concentrations of total cholesterol (TC), triglycerides (RG), high density lipoprotein-cholesterol (HDLc), low density lipoprotein-cholesterol (LDLc), and the apolipoproteins (apo) A-I, A-II, and B were measured in 33 hyperthyroid patients before and after treatment. The results were compared with those of healthy controls. Apo A-I, A-II, and B were assayed by immunonephelometry. The serum levels of TC (mean +/- SD, 167 +/- 36 mg/dl, HDLc (40.8 +/- 12 mg/dl), and LDLc (108 +/- 35 mg/dl) were decreased in the untreated hyperthyroid patients compared to both the values after treatment (TC: 215 +/- 54 mg/dl; P less than 0.001; HDLc: 52 +/- 14 mg/dl; P less than 0.001; LDLc: 146 +/- 47 mg/dl; P less than 0.001) and the control values (TC: 206 + 39 mg/dl; P less than 0.001; HDLc: 47.4 +/- 10 mg/dl; P les than 0.01; LDLc: 145 +/- 38 mg/dl; P less than 0.001). TG levels were not statistically different before and after treatment. The apo A-I concentrations (116 +/- 24 mg/dl) were lower before than after treatment (131 +/- 28 mg/dl; P less than 0.01), but they were not statistically different from those in the control group (115 +/- 19 mg/dl). The apo A-II levels were identical in all groups (before treatment, 35 +/- 7 mg/dl; after treatment, 37 +/- 9 mg/dl; control group, 36 +/- 9 mg/dl). The apo B levels were lower in the untreated hyperthyroid patients (86 +/- 23 mg/dl) compared to those in controls (103 +/- 19 mg/dl; P less than 0.001) and patients after therapy (103 +/- 25 mg/dl; P less than 0.001). The increase in HDLc relative to the major HDL apo A-I and A-II during treatment for hyperthyroidism was associated with changes in body weight. The apo A-I to apo A-II and LDLc to apo B ratios, however, were significantly lower before compared to those after treatment, when the influence of increasing body weight during therapy was accounted for. This study emphasizes the important regulating role of thyroid hormones on lipid and apolipoprotein metabolism.
ISSN: 0021-972X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Environment and Health - miscellaneous
Leuven Biostatistics and Statistical Bioinformatics Centre (L-BioStat)
Clinical and Experimental Endocrinology
× corresponding author
# (joint) last author

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