PMID- 10508318 OWN - NLM STAT- MEDLINE DCOM- 19991115 LR - 20190915 IS - 1053-1807 (Print) IS - 1053-1807 (Linking) VI - 10 IP - 4 DP - 1999 Oct TI - Cerebral (1)H MRS alterations in recreational 3, 4-methylenedioxymethamphetamine (MDMA, "ecstasy") users. PG - 521-6 AB - 3,4-methylenedioxymethamphetamine (MDMA) is an illicit drug that has been associated with serotonergic axonal degeneration in animals. This study evaluates neurochemical abnormalities in recreational MDMA users. Twenty-two MDMA users and 37 normal subjects were evaluated with magnetic resonance imaging (MRI) and proton magnetic resonance spectroscopy ((1)H MRS) in the mid-frontal, mid-occipital, and parietal brain regions. (1)H MRS showed normal N-acetyl (NA) compounds in all brain regions. The myo-inositol (MI) concentration (+16.3%, P = 0.04) and the MI to creatine (CR) ratio (+14.1%, P = 0. 01) were increased in the parietal white matter of MDMA users. The cumulative lifetime MDMA dose showed significant effects on [MI] in the parietal white matter and the occipital cortex. The normal NA concentration suggests a lack of significant neuronal injury in recreational MDMA users. However, the usage-related increase in MI suggests that exposure to MDMA, even at recreational doses, may cause increased glial content. J. Magn. Reson. Imaging 1999;10:521-526. CI - Copyright 1999 Wiley-Liss, Inc. FAU - Chang, L AU - Chang L AD - Department of Neurology, UCLA School of Medicine, Harbor-UCLA Medical Center, Torrance, California 90502, USA. Linda_Chang@humc.edu FAU - Ernst, T AU - Ernst T FAU - Grob, C S AU - Grob CS FAU - Poland, R E AU - Poland RE LA - eng GR - DA00280/DA/NIDA NIH HHS/United States GR - MH00534/MH/NIMH NIH HHS/United States GR - MO1 RR00425/RR/NCRR NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - J Magn Reson Imaging JT - Journal of magnetic resonance imaging : JMRI JID - 9105850 RN - 0 (Hallucinogens) RN - 30KYC7MIAI (Aspartic Acid) RN - 4L6452S749 (Inositol) RN - 997-55-7 (N-acetylaspartate) RN - KE1SEN21RM (N-Methyl-3,4-methylenedioxyamphetamine) RN - MU72812GK0 (Creatine) RN - N91BDP6H0X (Choline) SB - IM MH - Adult MH - Aged MH - Aged, 80 and over MH - Aspartic Acid/analogs & derivatives/analysis MH - Brain/*drug effects/pathology MH - *Brain Chemistry MH - Choline/analysis MH - Creatine/analysis MH - Female MH - Hallucinogens/*adverse effects MH - Humans MH - Inositol/analysis MH - Magnetic Resonance Imaging MH - *Magnetic Resonance Spectroscopy MH - Male MH - Middle Aged MH - N-Methyl-3,4-methylenedioxyamphetamine/*adverse effects MH - Substance-Related Disorders/*metabolism/pathology EDAT- 1999/10/03 00:00 MHDA- 1999/10/03 00:01 CRDT- 1999/10/03 00:00 PHST- 1999/10/03 00:00 [pubmed] PHST- 1999/10/03 00:01 [medline] PHST- 1999/10/03 00:00 [entrez] AID - 10.1002/(SICI)1522-2586(199910)10:4<521::AID-JMRI4>3.0.CO;2-9 [pii] AID - 10.1002/(sici)1522-2586(199910)10:4<521::aid-jmri4>3.0.co;2-9 [doi] PST - ppublish SO - J Magn Reson Imaging. 1999 Oct;10(4):521-6. doi: 10.1002/(sici)1522-2586(199910)10:4<521::aid-jmri4>3.0.co;2-9.