25-Hydroxycholesterol impairs endothelial function and vasodilation by uncoupling and inhibiting endothelial nitric oxide synthase. - Ou ZJ; Chen J; Dai WP; Liu X; Yang YK; Li Y; Lin ZB; Wang TT; Wu YY; Su DH; Cheng TP; Wang ZP; et al. (American journal of physiology. Endocrinology and metabolism, 2016)