PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16837620-6 2006 Treatment of tadpoles with goitrogenic compounds (sodium perchlorate and ethylenethiourea) increased TSHbeta mRNA expression (approximately twofold) and caused thyroid gland hyperplasia, confirming that feedback along the pituitary-thyroid axis was operative. sodium perchlorate 50-68 thyroid stimulating hormone beta S homeolog Xenopus laevis 101-108