PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1467981-1 1992 The injection into the rat striatum of the polyamines spermine and spermidine (30-300 nmol) produced, 1 week after injection, a dose related loss of the neuronal markers glutamate decarboxylase and choline acetyltransferase and a decrease in the density of N-methyl-D-aspartate (NMDA) receptors (as labelled with [3H]TCP). Spermidine 67-77 choline O-acetyltransferase Rattus norvegicus 198-223