Detection of 1-phenyl-N-methyl-1,2,3,4-tetrahydroisoquinoline and 1-phenyl-1,2,3,4-tetrahydroisoquinoline in human brain by gas chromatography—tandem mass spectrometry |
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Authors: | Mitsuharu Kajita Toshimitsu Niwa Makoto Fujisaki Makoto Ueki Koichi Niimura Mitsuhiko Sato Kyoko Egami Makoto Naoi Mitsuo Yoshida Toshiharu Nagatsu |
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Abstract: | 1-Phenyl-N-methyl-1,2,3,4-tetrahydroisoquinoline and 1-phenyl-1,2,3,4-tetrahydroisoquinoline were detected for the first time in parkinsonian human brain using gas chromatography-tandem mass spectrometry (GC-MS-MS). Since these compounds are structural analogues of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) that produces parkinsonism in humans, they might be candidates for endogenous MPTP-like neurotoxins. |
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