CSNK1A1 and colorectal cancer: These results were reproduced in HCT116 colorectal cancer cells (Figure 1A) and also in A375 cancer cells (Figure S1) with isoform-specific siRNA against CK1α (CSNK1A1 gene), which reduced specifically the levels of CK1α (Figure 1A lanes 4&8 vs. 3?