PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25644787-2 2015 Previously, we concluded that persistent exposure to low doses of PCB118 could severely damage the thyroidal structure, dramatically decrease the concentration of serum thyroid hormones and inhibit the pivotal gene expressions such as sodium/iodide symporter (NIS) and thyroglobulin (Tg). 2,3',4,4',5-pentachlorobiphenyl 66-72 thyroglobulin Homo sapiens 269-282