Tangier disease is an inherited disorder characterized by significantly reduced levels of high-density lipoprotein (HDL) – the ‘good cholesterol’ – in the blood. Because people with Tangier disease have very low levels of HDL, they have a moderately increased risk of cardiovascular disease. Tangier disease is caused by mutations in the ABCA1 gene. It is inherited in an autosomal recessive pattern.[2858]
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