TGFB1 and pulmonary fibrosis: Key pro-fibrotic cytokines and chemokines were also upregulated including CCL11 (eotaxin); CCL11−/− deficient mice have reduced bleomycin-induced pulmonary fibrosis and expression of pro-fibrotic cytokines such as TGFβ1 are diminished in the absence of CCL1137.