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Alkaloids of Zephyranthes citrina (Amaryllidaceae) and their implication to Alzheimer's disease: Isolation, structural elucidation and biological activity
E. Kohelová, J. Maříková, J. Korábečný, D. Hulcová, T. Kučera, D. Jun, J. Chlebek, J. Jenčo, M. Šafratová, M. Hrabinová, A. Ritomská, M. Malaník, R. Peřinová, K. Breiterová, J. Kuneš, L. Nováková, L. Opletal, L. Cahlíková
Bioorganic chemistry.
2021 ;
107 (-) :
104567.
[pub] 20201219
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, práce podpořená grantem
Perzistentní odkaz
https://www.medvik.cz/link/bmc21026100
- MeSH
- acetylcholinesterasa chemie metabolismus MeSH
- alkaloidy chemie izolace a purifikace farmakologie terapeutické užití MeSH
- Alzheimerova nemoc farmakoterapie patologie MeSH
- Amaryllidaceae chemie metabolismus MeSH
- butyrylcholinesterasa chemie metabolismus MeSH
- cholinesterasové inhibitory chemie metabolismus farmakologie terapeutické užití MeSH
- hematoencefalická bariéra účinky léků metabolismus MeSH
- katalytická doména MeSH
- kinetika MeSH
- lidé MeSH
- magnetická rezonanční spektroskopie MeSH
- molekulární konformace MeSH
- simulace molekulového dockingu MeSH
- vazebná místa MeSH
- vztahy mezi strukturou a aktivitou MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Twenty known Amaryllidaceae alkaloids of various structural types, and one undescribed alkaloid of narcikachnine-type, named narcieliine (3), have been isolated from fresh bulbs of Zephyranthes citrina. The chemical structures of the isolated alkaloids were elucidated by a combination of MS, HRMS, 1D and 2D NMR, and CD spectroscopic techniques, and by comparison with literature data. The absolute configuration of narcieliine (3) has also been determined. Compounds isolated in a sufficient quantity were evaluated for their in vitro acetylcholinesterase (AChE; E.C. 3.1.1.7), butyrylcholinesterase (BuChE; E.C. 3.1.1.8), and prolyl oligopeptidase (POP; E.C. 3.4.21.26) inhibition activities. Significant human AChE/BuChE (hAChE/hBuChE) inhibitory activity was demonstrated by the newly described alkaloid narcieliine (3), with IC50 values of 18.7 ± 2.3 µM and 1.34 ± 0.31 µM, respectively. This compound is also predicted to cross the blood-brain barrier (BBB) through passive diffusion. The in vitro data were further supported by in silico studies of 3 in the active site of hAChE/hBuChE.
Citace poskytuje Crossref.org
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- $a Kohelová, Eliška $u ADINACO Research Group, Department of Pharmaceutical Botany, Faculty of Pharmacy, Charles University, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
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- $a Twenty known Amaryllidaceae alkaloids of various structural types, and one undescribed alkaloid of narcikachnine-type, named narcieliine (3), have been isolated from fresh bulbs of Zephyranthes citrina. The chemical structures of the isolated alkaloids were elucidated by a combination of MS, HRMS, 1D and 2D NMR, and CD spectroscopic techniques, and by comparison with literature data. The absolute configuration of narcieliine (3) has also been determined. Compounds isolated in a sufficient quantity were evaluated for their in vitro acetylcholinesterase (AChE; E.C. 3.1.1.7), butyrylcholinesterase (BuChE; E.C. 3.1.1.8), and prolyl oligopeptidase (POP; E.C. 3.4.21.26) inhibition activities. Significant human AChE/BuChE (hAChE/hBuChE) inhibitory activity was demonstrated by the newly described alkaloid narcieliine (3), with IC50 values of 18.7 ± 2.3 µM and 1.34 ± 0.31 µM, respectively. This compound is also predicted to cross the blood-brain barrier (BBB) through passive diffusion. The in vitro data were further supported by in silico studies of 3 in the active site of hAChE/hBuChE.
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