MYH11 and idiopathic pulmonary fibrosis: Other enrichments included “Extracellular matrix organization” and “Muscle structure development.” MYH11, which encodes myosin heavy chain 11, has been reported to be upregulated in the lung fibroblasts of IPF and BLM model mice (Reyfman et al., 2019; Xie et al., 2018).