AK6 and colorectal carcinoma: To assess the role of hCINAP in CRCSC maintenance, CRCSC tumorspheres derived from CRC liver metastases were transfected with control shRNA, hCINAP shRNA 1, hCINAP shRNA 2 and Flag-hCINAP, respectively, after which they were subjected to fluorescence-activated cell sorting (FACS) analysis.