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https://hdl.handle.net/2440/11729
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Type: | Journal article |
Title: | Association between HDL-cholesterol and the Taq1B polymorphism in the cholesterol ester transfer protein gene in obese women |
Author: | Heilbronn, L. Noakes, M. Clifton, P. |
Citation: | Atherosclerosis, 2002; 162(2):419-424 |
Publisher: | Elsevier Sci Ireland Ltd |
Issue Date: | 2002 |
ISSN: | 0021-9150 1879-1484 |
Abstract: | Cholesterol ester transfer protein (CETP) facilitates reverse cholesterol transport via HDL-C and this activity may be increased in obese subjects. In normal weight subjects the Taq1B variant of the CETP gene is associated with lower CETP activity and higher HDL-C. The aim of this study was to examine the relationship between the Taq1B polymorphism and HDL-C in obese women before and after weight loss. A total of 245 women (41 with type 2 diabetes) were genotyped for the Taq1B variant. Plasma lipids, insulin, glucose and oral glucose tolerance were also measured before and after weight loss. When all subjects were examined together the Taq1B genotype was not associated with HDL-C. However, when non-diabetic subjects were divided by median fasting insulin, a strong linear association was observed between Taq1B genotype and HDL-C in subjects below median for fasting insulin (B1B1 1.19+/-0.07 mmol/l, B1B2 1.35+/-0.06, B2B2 1.71+/-0.09, P<0.000). This association was not observed in subjects with fasting insulin above median or subjects with type 2 diabetes, either before or after weight loss. Therefore, the B2B2 genotype is associated with elevated HDL-C in obese women with low fasting insulin only. Improved insulin sensitivity during weight loss did not change this relationship in women with high fasting insulin or type 2 diabetes. |
Keywords: | Humans Diabetes Mellitus, Type 2 Obesity Weight Loss Insulin Glycoproteins Carrier Proteins Fasting Genotype Polymorphism, Genetic Middle Aged Female Cholesterol, HDL Cholesterol Ester Transfer Proteins |
DOI: | 10.1016/S0021-9150(01)00733-X |
Published version: | http://dx.doi.org/10.1016/s0021-9150(01)00733-x |
Appears in Collections: | Aurora harvest 2 Physiology publications |
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