Zoanthamine alkaloids from the zoantharian zoanthus cf. pulchellus and their effects in neuroinflammation
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Abstract
Two new zoanthamine alkaloids, namely 3-acetoxynorzoanthamine (1) and 3-acetoxyzoanthamine (2), have been isolated from the zoantharian Zoanthus cf. pulchellus collected off the coast of the Santa Elena Peninsula, Ecuador, together with three known derivatives: zoanthamine, norzoanthamine, and 3-hydroxynorzoanthamine. The chemical structures of 1 and 2 were determined by interpretation of their 1D and 2D NMR data and comparison with literature data. This is the first report of zoanthamine-type alkaloids from Zoanthus cf. pulchellus collected in the Tropical Eastern Pacific. The neuroinflammatory activity of all the isolated compounds was evaluated in microglia BV-2 cells and high inhibitory effects were observed in reactive oxygen species (ROS) and nitric oxide (NO) generation
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Guillen, P.O.; Gegunde, S.; Jaramillo, K.B.; Alfonso, A.; Calabro, K.; Alonso, E.; Rodriguez, J.; Botana, L.M.; Thomas, O.P. Zoanthamine Alkaloids from the Zoantharian Zoanthus cf. pulchellus and Their Effects in Neuroinflammation. Mar. Drugs 2018, 16, 242
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https://doi.org/10.3390/md16070242Sponsors
The project is originally funded by the Secretaria de Educación Superior, Ciencia, Tecnología e Innovación (SENESCYT) in the framework of the PIC-14-CENAIM-001 Project Caracterización de la Biodiversidad
Microbiológica y de Invertebrados de la Reserva Marina “El Pelado” a Escala Taxonómica, Metabolómica y
Metagenómica para su Uso en Salud Humana y Animal. Part of this project (Grant-Aid Agreement No. PBA/MB/16/01) is carried out with the support of the Marine Institute and is funded under the Marine
Research Programme by the Irish Government. P.O.G. and K.B.J. acknowledge NUI Galway for supporting
part of their Ph.D. scholarship. The research leading to the results of the biological assays has received funding
from the following FEDER cofunded-grants: Consellería de Cultura, Educación e Ordenación Universitaria,
Xunta de Galicia, 2017 GRC GI-1682 (ED431C 2017/01); CDTI and Technological Funds, supported by
Ministerio de Economía, Industria y Competitividad, AGL2014-58210-R, AGL2016-78728-R (AEI/FEDER, UE),
ISCIII/PI16/01830 and RTC-2016-5507-2, ITC-20161072; European Union POCTEP 0161-Nanoeaters-1-E-1,
Interreg AlertoxNet EAPA-317-2016, and H2020 778069-EMERTOX
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© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)