Art and Science of Laboratory Medicine

Art and Science of Laboratory Medicine

Sunday, April 26, 2015

Molecular Link between Lipid Metabolism and Energy Homeostasis

New genes predisposing to low HDL-cholesterol level were searched using genome-wide association analysis in Finnish individuals with extremely low or high HDL-cholesterol. Several new genes predisposing to low HDL-cholesterol were discovered, of which many were known to be associated with immune system and inflammatory reaction of the body, but their role in cholesterol metabolism has not previously been characterized. Some of the subjects appeared to be genetically more prone to inflammation than others, especially in the blood and adipose tissue. The more inflammation inducing genetic variants one had, the stronger was the inflammatory state of the body, especially in blood and adipose tissue, and the lower the HDL-cholesterol level. The inflammation may block the transport of cholesterol from vessel walls to circulation leading to lower HDL-cholesterol levels in the circulation.

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Molecular Link between Lipid Metabolism and Energy Homeostasis

 Source: University of Helsinki

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