ACTA1 and neoplasm: Pericyte coverage, assessed by expression of pericyte markers NG2 and α-SMA, was significantly enhanced by lenalidomide on residual tumor vasculature compared with untreated controls or those treated with 5FU, p = 0.0002 for NG2 and p = 0.04 for α-SMA respectively (One Way Anova analysis).