PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3334718-4 1988 Upon differentiation of F9 stem cells induced by retinoic acid and cyclic AMP, expression of the hsc70 gene decreases only slightly, suggesting that hsc70 is highly expressed in early mouse development and is then down-regulated towards the end of embryogenesis. Cyclic AMP 67-77 heat shock protein 8 Mus musculus 149-154