In contrast to the aforementioned studies, Ohno and coworkers [64] claimed that close to 100% of cells positive for TGFβ1 mRNA in mild and severe asthma were eosinophils, whereas these cells accounted for only 20.8% of total TGFβ1 mRNA-positive cells in control subjects. This evidence concerns the gene TGFB1 and asthma.