PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34233525-5 2021 The expression of cyclin D1 in megestrol acetate treated cells was downregulated, while the expressions of p21 and p16 were upregulated via PR-B isoform. Megestrol Acetate 31-48 cyclin dependent kinase inhibitor 2A Homo sapiens 115-118