ALDH1A1 and colorectal carcinoma: Given that FOLFOX maintained the stemness feature of CRC cells (Figure 1F–K), CICs were isolated from the freshly dissociated subcutaneous tumors (SQ) from the sensitive and resistant cells of SW948 and HT29 by FACS sorting using several of the previously reported candidate markers (CD44v6, CD133, EpCAM, and ALDH1) [14,27,35,106,107].