MAPK3 and bronchopulmonary dysplasia: Also, the divergent GO-BPs in the two groups are sense-making, since the stimulating and proliferation effects are robust in CB-MNC-infused BPD, while the widely accepted UC-MSC introduction in alleviating BPD can relieve the injured pulmonary microenvironment from stress suffering by refreshing the motor sensing (GTPase activity) and mitogen activation pathways (ERK1 and ERK2 cascade) (Figure 8).