PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22580327-3 2012 In Leydig cells from reproductively active Syrian hamsters, Western blotting, reverse transcription quantitative polymerase chain reaction (RT-qPCR) and a colorimetric assay demonstrated that melatonin and CRH activate tyrosine phosphatases and subsequently reduce the phosphorylation levels of extracellular signal-regulated kinase (erk) and c-jun N-terminal kinase (jnk), down-regulate the expression of c-jun, c-fos and steroidogenic acute regulatory (StAR), and inhibit the production of testosterone. Melatonin 192-201 proto-oncogene c-Fos Mesocricetus auratus 413-418