This was opposite to our expectation, because α-tubulin is expected to be less acetylated when HDAC6 expression is increased, and because α-tubulin acetylation is decreased in TGF-β1-treated NHLFs and IPF lung fibroblasts as well as TGF-β1-treated A549 cells [10]. The gene discussed is TGFB1; the disease is idiopathic pulmonary fibrosis.