TRPA1 and fibrosis: 50% (3/6) of TRPM8 positive neurons expressed TLR5, 68.4% (13/19) of TRPV1 neurons expressed TLR5 and 62.5% (5/8) of TRPA1 expressed TLR5 in nodose/jugular ganglion in bleomycin induced fibrosis model.