IL6 and asthma: Consistent down-regulation of critical inflammatory genes in ETS- and doubly OVA-exposed mice was confirmed through qRT-PCR, revealing down-regulation of 17 asthma-related and/or inflammatory genes (Arg1, Ccl8, Ccl11, Ccl24, Ear11, Mcpt1, Sprr2a, Chi3l3, Chi3l4, Chia, Slc7a2, Il4, Il6, Il10, Il13, Il1b, Tnfa).