Furthermore, TSLPR‐floxed mice crossed with Mcpt8cre,75Mcpt8creTslprfl/fl mice, in a pulmonary inflammation model did not alter the magnitude of the airway inflammation, increase in Th2 cells, or IgE titres in serum after administration of intranasal antigen with topical MC903 treatment in the skin. This evidence concerns the gene IGHE and inflammation.