Efstathia Thymiakou

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Cancer cells may evade immune surveillance as a result of defective antigen processing and presentation. In this study, we demonstrate that CD40 ligation overcomes this defect through the coordinated action of the transcription factors NF-kappaB and interferon regulatory factor 1 (IRF-1). We show that unlike interferon signaling, which triggers the(More)
OBJECTIVE ATP binding cassette transporter G1 (ABCG1) facilitates cholesterol efflux from macrophages to mature high-density lipoprotein particles. Whether genetic variation in ABCG1 affects risk of atherosclerosis in humans remains to be determined. METHODS AND RESULTS We resequenced the core promoter and coding regions of ABCG1 in 380 individuals from(More)
The lipid transporter ATP binding cassette transporter A1 (ABCA1) promotes the efflux of cellular phospholipids and cholesterol to lipid-free apolipoprotein A-I and thus initiates the biogenesis of high-density lipoprotein (HDL). The expression of the ABCA1 gene is controlled, coordinately with other genes of HDL metabolism, by liver X receptor/retinoid X(More)
Epidemiological studies have shown that low plasma levels of High Density Lipoprotein Cholesterol (HDL-C) are associated with an increased risk for myocardial infarction. These studies suggested that by increasing HDL-C levels one could reduce cardiovascular risk. However, emerging evidence from studies in animals and humans indicate that high levels of(More)
Lipoprotein lipase (LPL) catalyzes the hydrolysis of triglycerides from triglyceride-rich lipoproteins such as VLDL and chylomicrons in the circulation. Mutations in LPL or its activator apolipoprotein C-II cause hypertriglyceridemia in humans and animal models. The levels of LPL in the liver are low but they can be strongly induced by a high cholesterol(More)
ATP binding cassette transporter A1 (ABCA1) plays a key role in the biogenesis of HDL by promoting the efflux of cellular cholesterol and phospholipids to lipid free apoA-I. Mutations in the ABCA1 gene cause Tangier disease which is characterized by near or complete absence of circulating plasma HDL. In the present study we show that the winged(More)
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