- Rap1-induced p38 mitogen-activated protein kinase activation facilitates AMPA receptor trafficking via the GDI.Rab5 complex. Potential role in (S)-3,5-dihydroxyphenylglycene-induced long term depression. Huang, C.C., You, J.L., Wu, M.Y., Hsu, K.S. J. Biol. Chem. (2004)