PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19348875-8 2009 DFMO treatment at both doses resulted in an 80%-90% reduction of putrescine level in the CA1, CA2/3 and dentate gyrus (DG) sub-regions of the hippocampus and the prefrontal cortex with minimal effects on the spermidine and spermine levels. Putrescine 65-75 carbonic anhydrase 1 Rattus norvegicus 89-92