PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19027829-6 2009 In growth cones, serum withdrawal or 8-Br-cAMP increased Rac1 activation and serum withdrawal decreased RhoA activation. 8-Bromo Cyclic Adenosine Monophosphate 37-46 Rac family small GTPase 1 Homo sapiens 57-61