CHRM2 and intrahepatic cholangiocarcinoma: In this study, we sorted ICC (CopGFP-Kit+ cells) from small intestinal muscles of Kit+/copGFP mice by FACS from, as previously described (Baker et al., 2016), and characterized the expression of Chrm2 and Chrm3 transcripts and Tacr1 and Tacr2 transcripts.