positive regulation of Arp2/3 complex-mediated actin nucleation
Any process that activates or increases the frequency, rate or extent of Arp2/3 complex-mediated actin nucleation.
GO:0034315
regulation of Arp2/3 complex-mediated actin nucleation
is_a
GO:0051127
positive regulation of actin nucleation
is_a
GO:0034314
Arp2/3 complex-mediated actin nucleation
positively_regulates
positive regulation of actin filament branch nucleation
exact
positive regulation of branched actin filament nucleation
exact