. "\"Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.\" [GOC:go_curators]" . . "positive regulation of MAPK cascade" . "positive regulation of MAP kinase cascade" . "positive regulation of MAP kinase kinase kinase cascade" . "positive regulation of MAPKKK cascade" . "positive regulation of mitogen activated protein kinase kinase kinase cascade" . "positive regulation of mitogen-activated protein kinase cascade" . "positive regulation of mitogen-activated protein kinase kinase kinase cascade" . "stimulation of MAPK cascade" . "up regulation of MAPKKK cascade" . "up-regulation of MAPK cascade" . "up-regulation of MAPKKK cascade" . "upregulation of MAPK cascade" . "upregulation of MAPKKK cascade" . . . "activation of MAPK cascade" . "activation of MAPKKK cascade" . "stimulation of MAPKKK cascade" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .