Nature Reviews Immunology 16, 690–701 (2016)

In the main text of this Review article, ACAT1 was incorrectly defined as 'acetyl-CoA acetyltransferase, mitochondrial'. The correct definition of ACAT1 in this article is 'acyl-CoA cholesterol acyltransferase 1'. Nature Reviews Immunology apologize for this error, which has now been corrected in the PDF and HTML versions of the article.