CNR1 and idiopathic pulmonary fibrosis: While 14‐days post‐bleomycin transcriptomic signature in lungs resembled human IPF patients’ lung, we characterized the effect of the deletion of CB1R on the GCN alterations by using CB1R+/+ wildtype (WT) and CB1R−/− (CB1R KO) mice at 14 days post‐bleomycin time point.