Alkaloids from Hippeastrum argentinum and their Cholinesterase inhibitory activities an in vitro and in silico study

Two new alkaloids, 4-O-methylnangustine [1] and 7-hydroxyclivonine [2] [montanine and homolycorine types, respectively], and four known alkaloids were isolated from the bulbs of Hippeastrum argentinum, and their cholinesterase inhibitory activities were evaluated. These compounds were identified usi...

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Otros Autores: Ortiz, Javier E., Pigni, Natalia B., Andujar, Sebastián A., Roitman, Gustavo Germán, Suvire, Fernando D., Enriz, Ricardo D., Tapia, Alejandro, Bastida, Jaume, Feresin, Gabriela E.
Formato: Artículo
Lenguaje:Inglés
Materias:
Acceso en línea:http://ri.agro.uba.ar/files/intranet/articulo/2016ortiz.pdf
LINK AL EDITOR
Aporte de:Registro referencial: Solicitar el recurso aquí
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245 1 0 |a Alkaloids from Hippeastrum argentinum and their Cholinesterase inhibitory activities   |b an in vitro and in silico study 
520 |a Two new alkaloids, 4-O-methylnangustine [1] and 7-hydroxyclivonine [2] [montanine and homolycorine types, respectively], and four known alkaloids were isolated from the bulbs of Hippeastrum argentinum, and their cholinesterase inhibitory activities were evaluated. These compounds were identified using GC-MS, and their structures were defined by physical data analysis. Compound 2 showed weak butyrylcholinesterase [BuChE]-inhibitory activity, with a half-maximal inhibitory concentration [IC50] value of 67.3 ± 0.09 ìM. To better understand the experimental results, a molecular modeling study was also performed. The combination of a docking study, molecular dynamics simulations, and quantum theory of atoms in molecules calculations provides new insight into the molecular interactions of compound 2 with BuChE, which were compared to those of galantamine. 
653 0 |a ALKALOIDS 
653 0 |a HIPPEASTRUM ARGENTINUM 
653 0 |a CHOLINESTERASE 
700 1 |9 67699  |a Ortiz, Javier E. 
700 1 |9 67701  |a Pigni, Natalia B. 
700 1 |a Andujar, Sebastián A.  |9 70214 
700 1 |a Roitman, Gustavo Germán  |9 7391 
700 1 |a Suvire, Fernando D.  |9 70215 
700 1 |9 67705  |a Enriz, Ricardo D. 
700 1 |9 67804  |a Tapia, Alejandro 
700 1 |9 67803  |a Bastida, Jaume 
700 1 |9 67706  |a Feresin, Gabriela E. 
773 |t Journal of Natural Products  |g vol.79, no.5 (2016), p.1241-1248, il., tbls., grafs. 
856 |u http://ri.agro.uba.ar/files/intranet/articulo/2016ortiz.pdf  |i En reservorio  |q application/pdf  |f 2016ortiz  |x MIGRADOS2018 
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