has_participant has participant regulation of MAPK cascade positive regulation of MAPK cascade upregulation of MAPK cascade positive regulation of MAP kinase cascade up-regulation of MAPK cascade GO:0043410 positive regulation of MAP kinase kinase kinase cascade positive regulation of mitogen activated protein kinase kinase kinase cascade up-regulation of MAPKKK cascade up regulation of MAPKKK cascade biological_process upregulation of MAPKKK cascade positive regulation of mitogen-activated protein kinase cascade activation of MAPK cascade positive regulation of MAPKKK cascade stimulation of MAPKKK cascade Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade. activation of MAPKKK cascade stimulation of MAPK cascade positive regulation of mitogen-activated protein kinase kinase kinase cascade positive regulation of intracellular signal transduction interleukin-6 receptor subunit alpha (human) high mobility group protein B1 (human) androgen receptor (human) mast/stem cell growth factor receptor Kit (human) alpha-1A adrenergic receptor (human) alpha-1B adrenergic receptor (human) receptor-type tyrosine-protein kinase FLT3 (human)