PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6783389-1 1981 The differentiative functions, lactose synthetase activity and casein synthesis, can be induced in mammary gland explants from intact mice when insulin, cortisol, and PRL are present in the medium. Lactose 31-38 prolactin Mus musculus 167-170