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L’Estrade E, Hansen HD, Falk-Petersen C, Haugaard A, Griem-Krey N, Jung S, Lüddens H, Schirmeister T, Erlandsson M, Ohlsson T, Knudsen GM, Herth MM, Wellendorph P, Frølund B. Synthesis and Pharmacological Evaluation of [ 11C]4-Methoxy- N-[2-(thiophen-2-yl)imidazo[1,2- a]pyridin-3-yl]benzamide as a Brain Penetrant PET Ligand Selective for the δ-Subunit-Containing γ-Aminobutyric Acid Type A Receptors. ACS Omega 2019; 4:8846-8851. [PMID: 31459972 PMCID: PMC6648289 DOI: 10.1021/acsomega.9b00434] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 05/10/2019] [Indexed: 06/10/2023]
Abstract
The α4/6βδ-containing GABAA receptors are involved in a number of brain diseases. Despite the potential of a δ-selective imaging agent, no PET radioligand is currently available for in vivo imaging. Here, we report the characterization of DS2OMe (1) as a candidate radiotracer, 11C-labeling, and subsequent evaluation of [11C]DS2OMe in a domestic pig as a PET radioligand for visualization of the δ-containing GABAA receptors.
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Affiliation(s)
- Elina
T. L’Estrade
- Department
of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
- Neurobiology
Research Unit and CIMBI, Copenhagen University
Hospital, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
- Radiation
Physics, Nuclear Medicine Physics Unit, Skånes University Hospital, Barngatan 3, 222 42 Lund, Sweden
| | - Hanne D. Hansen
- Neurobiology
Research Unit and CIMBI, Copenhagen University
Hospital, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
| | - Christina Falk-Petersen
- Department
of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Anne Haugaard
- Department
of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Nane Griem-Krey
- Department
of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Sascha Jung
- Institute
of Pharmacy & Biochemistry, Johannes
Gutenberg University, D-55128 Mainz, Germany
| | - Hartmut Lüddens
- Department
of Psychiatry and Psychotherapy, Faculty of Health and Medical Sciences, University of Medical Center, D-55131 Mainz, Germany
| | - Tanja Schirmeister
- Institute
of Pharmacy & Biochemistry, Johannes
Gutenberg University, D-55128 Mainz, Germany
| | - Maria Erlandsson
- Radiation
Physics, Nuclear Medicine Physics Unit, Skånes University Hospital, Barngatan 3, 222 42 Lund, Sweden
| | - Tomas Ohlsson
- Radiation
Physics, Nuclear Medicine Physics Unit, Skånes University Hospital, Barngatan 3, 222 42 Lund, Sweden
| | - Gitte M. Knudsen
- Neurobiology
Research Unit and CIMBI, Copenhagen University
Hospital, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
| | - Matthias M. Herth
- Department
of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
- Neurobiology
Research Unit and CIMBI, Copenhagen University
Hospital, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark
- Department
of Clinical Physiology, Nuclear Medicine and PET, University Hospital Copenhagen, Rigshospitalet Blegdamsvej 9, 2100 Copenhagen, Denmark
| | - Petrine Wellendorph
- Department
of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Bente Frølund
- Department
of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
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