ARG1 and asthma: Among the up-regulated genes were 3 associated with inhibition of proliferation (Gpnmb, Setd8, Runx2) and 1 promoting inflammatory and immune responses (Pik3cd), as well as 4 asthma-related genes (Arg1, Ccl24, Slc7a2, Mcpt1) identifiable only through qRT-PCR.