Fig. 7From: The involvement of Neuregulin-1 in the process of facial nerve injury repair through the utilization of dental pulp stem cellsNRG-1 is known to inhibit P38 MAPK, NF-κB. (A) The immunohistochemical technique was employed to ascertain the expression of P38 MAPK and NF-κB. (B, C) The average optical density obtained from immunohistochemistry was subjected to statistical analysis. (ns (P > 0.05), * (P < 0.05), ** (P < 0.001))Back to article page