PMID- 15945064 OWN - NLM STAT- MEDLINE DCOM- 20051027 LR - 20190508 IS - 0887-4476 (Print) IS - 1098-2396 (Electronic) IS - 0887-4476 (Linking) VI - 57 IP - 3 DP - 2005 Sep 1 TI - Learning and memory after neonatal exposure to 3,4-methylenedioxymethamphetamine (ecstasy) in rats: interaction with exposure in adulthood. PG - 148-59 AB - This study determined whether developmental and adult 3,4-methylenedioxymethamphetamine (MDMA) exposures in rats have interactive effects on body temperature, learning, other behaviors, and monoamine concentrations in the hippocampus, prefrontal cortex, and striatum. Learning was assessed in the Cincinnati water maze (CWM), Morris water maze (MWM), and novel object recognition (NOR). On acquisition trials in the MWM, significant differences from developmental MDMA exposure were found on latency, cumulative distance, path length, and angle of first bearing to the goal, but the early and adult MDMA exposure group performed no worse than the developmental-only MDMA group. In the reversal trials, however, an interaction was seen: latency to the goal, cumulative distance, and angle of first bearing were increased in animals treated both developmentally and in adulthood with MDMA compared with those treated only developmentally. Other tests (elevated zero maze, CWM, NOR, and open-field activity) did not show an interaction, nor did hippocampal concentrations of serotonin or dopamine. However, several behavioral tests showed neonatal MDMA effects, including increased errors in the CWM, reduced time spent with a new object in the NOR test, and reduced locomotor activity in the open-field. By contrast, adult MDMA decreased the number of entries into open quadrants of the elevated zero maze. Litter effects were controlled by treating litter as the experimental unit and using mixed models repeated measures analyses. Correlational analyses suggested that the MWM reversal interaction involves multiple monoamine changes. The results indicate that developmental MDMA exposure can interact with adult exposure to interfere with some aspects of learning. FAU - Cohen, Martha A AU - Cohen MA AD - Division of Neurology, Cincinnati Children's Research Foundation and University of Cincinnati College of Medicine, Cincinnati, Ohio 45229-3039, USA. FAU - Skelton, Matthew R AU - Skelton MR FAU - Schaefer, Tori L AU - Schaefer TL FAU - Gudelsky, Gary A AU - Gudelsky GA FAU - Vorhees, Charles V AU - Vorhees CV FAU - Williams, Michael T AU - Williams MT LA - eng GR - K01 DA014269-05/DA/NIDA NIH HHS/United States GR - R01 DA021394-01/DA/NIDA NIH HHS/United States GR - DA14269/DA/NIDA NIH HHS/United States GR - DA11902/DA/NIDA NIH HHS/United States GR - K01 DA014269/DA/NIDA NIH HHS/United States GR - R01 DA021394/DA/NIDA NIH HHS/United States GR - T32 ES007051/ES/NIEHS NIH HHS/United States GR - ES07051/ES/NIEHS NIH HHS/United States GR - R01 DA011902-03/DA/NIDA NIH HHS/United States GR - T32 ES007051-34/ES/NIEHS NIH HHS/United States PT - Comparative Study PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - Synapse JT - Synapse (New York, N.Y.) JID - 8806914 RN - 0 (Biogenic Monoamines) RN - 0 (Hallucinogens) RN - KE1SEN21RM (N-Methyl-3,4-methylenedioxyamphetamine) SB - IM MH - Age Factors MH - Analysis of Variance MH - Animals MH - Animals, Newborn MH - Behavior, Animal/*drug effects MH - Biogenic Monoamines/metabolism MH - Body Temperature/drug effects MH - Brain/anatomy & histology/drug effects/metabolism MH - Brain Chemistry/drug effects MH - Escape Reaction/drug effects MH - Exploratory Behavior/drug effects MH - Hallucinogens/*toxicity MH - Learning/*drug effects MH - Male MH - Maze Learning/drug effects MH - Motor Activity/drug effects MH - N-Methyl-3,4-methylenedioxyamphetamine/*toxicity MH - Organ Size/drug effects MH - Rats MH - Rats, Sprague-Dawley MH - Reaction Time/drug effects MH - Spatial Behavior/drug effects MH - Statistics as Topic MH - Time Factors PMC - PMC2888299 MID - NIHMS207855 EDAT- 2005/06/10 09:00 MHDA- 2005/10/28 09:00 PMCR- 2010/06/21 CRDT- 2005/06/10 09:00 PHST- 2005/06/10 09:00 [pubmed] PHST- 2005/10/28 09:00 [medline] PHST- 2005/06/10 09:00 [entrez] PHST- 2010/06/21 00:00 [pmc-release] AID - 10.1002/syn.20166 [doi] PST - ppublish SO - Synapse. 2005 Sep 1;57(3):148-59. doi: 10.1002/syn.20166.