PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31609018-6 2020 In cultured pinealocytes, Lhx4 expression was upregulated by cyclic AMP, a second messenger of norepinephrine. Norepinephrine 95-109 LIM homeobox 4 Rattus norvegicus 26-30