PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21383078-6 2011 Cyclic adenosine monophosphate response element modulator (CREM) and TRF2, key transcription factors for spermiogenesis, are expressed in Tdrd5-deficient round spermatids, but their targets, including Prm1/Prm2/Tnp1, are severely down-regulated, which indicates the importance of IMC/CB-mediated regulation for postmeiotic gene expression. Cyclic AMP 0-30 protamine 1 Mus musculus 201-205