Citation: van der Wijk A-E, Vogels IMC, van Noorden CJF, Klaassen I, Schlingemann RO. TNFa-induced disruption of the blood–retinal barrier in vitro is regulated by intracellular 3,5-cyclic adenosine monophosphate levels. Invest Ophthalmol Vis Sci. 2017;58:3496–3505. DOI:10.1167/ iovs.16-21091 PURPOSE. Proinflammatory cytokines such as tumor necrosis factor (TNFa) may have a causative role in bl...