PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34280616-2 2021 We reported previously that 3-methylcholanthrene (3MC), an exogenous AhR agonist, inhibited tumorsphere (mammosphere) formation from breast cancer cell lines, while the endogenous AhR agonist, indirubin, very weakly inhibited this process. indirubin 193-202 aryl hydrocarbon receptor Homo sapiens 180-183