MAPK14 and idiopathic pulmonary fibrosis: A recent report regarding the function of forkhead box M1 (FOXM1), one of the FOX family of transcriptional factors in macrophages, by Goda et al. also suggested that p38 activation in macrophages augments lung fibrogenesis: (1) based on the finding that FOXM1 expression changed in macrophages in lung fibrotic lesions from patients with IPF, mice with the deletion of Foxm1 in myeloid cells (myFoxm1−/−) were subjected to BLM instillation.