PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34047687-6 2022 Finally, nicotine increased the expression of Kdm4c, a key histone lysine demethylase, and decreased Suv39h1, a critical histone lysine methyltransferase. Nicotine 9-17 lysine demethylase 4C Rattus norvegicus 46-51