PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9023387-5 1996 In MCF-7/TAM(R)-1 cells tamoxifen exposure significantly increased the ER and reduced the PgR content, an effect not observed in the MCF-7 cells. Tamoxifen 24-33 progesterone receptor Homo sapiens 90-93 9023387-6 1996 To conclude, the present study indicates that irradiation and tamoxifen may modify the ER and PgR content in cytosol in breast cancer cells. Tamoxifen 62-71 progesterone receptor Homo sapiens 94-97