Title : Validity of [123I]beta-CIT SPECT in detecting MDMA-induced serotonergic neurotoxicity.

Pub. Date : 2002 Dec 1

PMID : 12325046






4 Functional Relationships(s)
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1 SPECT studies 4, 10, and 31 days after MDMA treatment revealed decreases in [123I]beta-CIT binding ratios in the SERT-rich brain region studied (hypothalamic/midbrain region), with SERT density reduced by 39% in this brain region 31 days after treatment. 2beta-carbomethoxy-3beta-(4-iodophenyl)tropane solute carrier family 6 member 4 Rattus norvegicus
2 In addition, ex vivo [123I]beta-CIT binding studies in rats 1 week after treatment with neurotoxic doses of MDMA (20 mg/kg s.c. twice daily for 4 consecutive days) revealed significant reductions in [123I]beta-CIT binding in SERT-rich regions (including the hypothalamus) when compared to saline-treated rats. 2beta-carbomethoxy-3beta-(4-iodophenyl)tropane solute carrier family 6 member 4 Rattus norvegicus
3 The combined results of these studies indicate that SPECT imaging of SERT with [123I]beta-CIT can detect changes in SERT density secondary to MDMA-induced neurotoxicity in the hypothalamic/midbrain region, and possibly other brain regions. 2beta-carbomethoxy-3beta-(4-iodophenyl)tropane solute carrier family 6 member 4 Rattus norvegicus
4 The combined results of these studies indicate that SPECT imaging of SERT with [123I]beta-CIT can detect changes in SERT density secondary to MDMA-induced neurotoxicity in the hypothalamic/midbrain region, and possibly other brain regions. 2beta-carbomethoxy-3beta-(4-iodophenyl)tropane solute carrier family 6 member 4 Rattus norvegicus