IL6 and acute respiratory distress syndrome: In addition, the aspirin-triggered epimer of RvD1 (AT-RvD1; 7S,8R,17R-trihydroxy- 4Z,9E,11E,13Z,15E,19Z-docosahexzenoic acid) has been shown to decrease levels of TNF-α and IL-6 in a mouse model of hydrochloric acid-induced ALI [24].