NDLI: Reproducibility of Post-Amphetamine [11C]FLB 457 Binding to Cortical D2/3 Receptors

Content Provider	PubMed Central
Author	Narendran, Rajesh Himes, Michael Mason, N. Scott
Editor	Hashimoto, Kenji
Copyright Year	2013
Abstract	In a recent positron emission tomography (PET) study, we demonstrated the ability to measure amphetamine-induced dopamine (DA) release in the human cortex with the relatively high affinity dopamine D2/3 radioligand [11C]FLB 457. Herein we report on reproducibility and reliability of [11C]FLB 457 binding potential relative to non-displaceable uptake (BPND) following an acute amphetamine challenge. Ten healthy human subjects were studied twice with [11C]FLB 457 following an acute amphetamine (oral, 0.5 mg kg-1 dose) challenge on two-separate days approximately one week apart. D2/3 receptor binding parameters were estimated using a two-tissue compartment kinetic analysis in the cortical regions of interest and cerebellum (reference region). The test-retest variability and intraclass correlation coefficient were assessed for distribution volume (VT), binding potential relative to plasma concentration (BPP), and BPND of [11C]FLB 457. The test-retest variability of [11C]FLB 457 VT, BPP and BPND were ≤ 17%, 22% and 11% respectively. These results, which are consistent with the published test-retest variability for this ligand measured under baseline conditions demonstrate that the post-amphetamine [11C]FLB 457 BPND is reproducible. These data further support the use [11C]FLB 457 and amphetamine to characterize cortical dopamine transmission in neuropsychiatric disorders.
Related Links	http://dx.doi.org/10.1371/journal.pone.0076905
Starting Page	76905
File Format	PDF
ISSN	19326203
e-ISSN	19326203
Journal	PLoS ONE
Issue Number	9
Volume Number	8
Language	English
Publisher	Public Library of Science
Publisher Date	2013-09-30
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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