- Tumor necrosis factor activates CRE-binding protein through a p38 MAPK/MSK1 signaling pathway in endothelial cells. Gustin, J.A., Pincheira, R., Mayo, L.D., Ozes, O.N., Kessler, K.M., Baerwald, M.R., Korgaonkar, C.K., Donner, D.B. Am. J. Physiol., Cell Physiol. (2004)