Any process that activates or increases the frequency, rate or extent of ERBB3 signaling pathway.
Synonyms:
exact_synonym:
positive regulation of ERBB3 signalling pathway; positive regulation of HER3 signaling pathway; positive regulation of receptor tyrosine-protein kinase erbB-3 signaling pathway; up regulation of ERBB3 signaling pathway; up regulation of ERBB3 signalling pathway; up regulation of HER3 signaling pathway; up regulation of receptor tyrosine-protein kinase erbB-3 signaling pathway; upregulation of ERBB3 signaling pathway; upregulation of ERBB3 signalling pathway; upregulation of HER3 signaling pathway; upregulation of receptor tyrosine-protein kinase erbB-3 signaling pathway
narrow_synonym:
activation of ERBB3 signaling pathway; activation of ERBB3 signalling pathway; activation of HER3 signaling pathway; activation of receptor tyrosine-protein kinase erbB-3 signaling pathway