PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23509752-6 2013 mRNA expression of Stra8, Odf2, Act, and Prm1 was upregulated in iPS cells by retinoic acid or testosterone induction, whereas Oct-4 transcription was reduced in these cells compared to the controls. IPS 65-68 protamine 1 Mus musculus 41-45