Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor
© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group. Alzheimer´s disease (AD) is the most common form of dementia involving Aβ and tau protein. So far, AD cure remains elusive, but considering that AD progresses throughout tau pathology, which turns tau protein an appropriate ta...
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Online Access: | https://doi.org/10.1080/14786419.2018.1492576 https://repositorio.uchile.cl/handle/2250/155820 |
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ftunivchile:oai:repositorio.uchile.cl:2250/155820 2023-05-15T13:34:35+02:00 Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor Salgado, Francisco Caballero, Julio Vargas, Reinaldo Cornejo, Alberto Areche, Carlos 2018 application/pdf https://doi.org/10.1080/14786419.2018.1492576 https://repositorio.uchile.cl/handle/2250/155820 en eng Taylor and Francis Ltd. 14786427 14786419 doi:10.1080/14786419.2018.1492576 https://repositorio.uchile.cl/handle/2250/155820 Attribution-NonCommercial-NoDerivs 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ CC-BY-NC-ND Natural Product Research Alzheimer´s disease Lichens Tau protein Artículo de revista 2018 ftunivchile https://doi.org/10.1080/14786419.2018.1492576 2023-01-22T00:51:50Z © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group. Alzheimer´s disease (AD) is the most common form of dementia involving Aβ and tau protein. So far, AD cure remains elusive, but considering that AD progresses throughout tau pathology, which turns tau protein an appropriate target, besides tau is also included in other neurodegenerative disorders named as tauopathies. Here, we have isolated seventeen compounds belonging to six lichens species. Due to scarce of spectroscopic data of the compound 5,7-dihydroxy-6-methylphthalide, we explained their structural elucidation based on NMR data. In this study, we show that only tenuiorin from Umbilicaria antarctica inhibited 50% of tau 4R at 100 µM. Then, we shown that molecular interactions of tenuiorin with the steric zipper model of the hexapeptide 306VQIVYK311 were studied by docking calculations and the results suggested that tenuiorin forms both hydrogen bonds with lysine and glutamine side chains and forms several hydr Article in Journal/Newspaper Antarc* Antarctic Antarctica Universidad de Chile: Repositorio académico Antarctic The Antarctic Natural Product Research 34 5 646 650 |
institution |
Open Polar |
collection |
Universidad de Chile: Repositorio académico |
op_collection_id |
ftunivchile |
language |
English |
topic |
Alzheimer´s disease Lichens Tau protein |
spellingShingle |
Alzheimer´s disease Lichens Tau protein Salgado, Francisco Caballero, Julio Vargas, Reinaldo Cornejo, Alberto Areche, Carlos Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor |
topic_facet |
Alzheimer´s disease Lichens Tau protein |
description |
© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group. Alzheimer´s disease (AD) is the most common form of dementia involving Aβ and tau protein. So far, AD cure remains elusive, but considering that AD progresses throughout tau pathology, which turns tau protein an appropriate target, besides tau is also included in other neurodegenerative disorders named as tauopathies. Here, we have isolated seventeen compounds belonging to six lichens species. Due to scarce of spectroscopic data of the compound 5,7-dihydroxy-6-methylphthalide, we explained their structural elucidation based on NMR data. In this study, we show that only tenuiorin from Umbilicaria antarctica inhibited 50% of tau 4R at 100 µM. Then, we shown that molecular interactions of tenuiorin with the steric zipper model of the hexapeptide 306VQIVYK311 were studied by docking calculations and the results suggested that tenuiorin forms both hydrogen bonds with lysine and glutamine side chains and forms several hydr |
format |
Article in Journal/Newspaper |
author |
Salgado, Francisco Caballero, Julio Vargas, Reinaldo Cornejo, Alberto Areche, Carlos |
author_facet |
Salgado, Francisco Caballero, Julio Vargas, Reinaldo Cornejo, Alberto Areche, Carlos |
author_sort |
Salgado, Francisco |
title |
Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor |
title_short |
Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor |
title_full |
Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor |
title_fullStr |
Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor |
title_full_unstemmed |
Continental and Antarctic Lichens: isolation, identification and molecular modeling of the depside tenuiorin from the Antarctic lichen Umbilicaria antarctica as tau protein inhibitor |
title_sort |
continental and antarctic lichens: isolation, identification and molecular modeling of the depside tenuiorin from the antarctic lichen umbilicaria antarctica as tau protein inhibitor |
publisher |
Taylor and Francis Ltd. |
publishDate |
2018 |
url |
https://doi.org/10.1080/14786419.2018.1492576 https://repositorio.uchile.cl/handle/2250/155820 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Natural Product Research |
op_relation |
14786427 14786419 doi:10.1080/14786419.2018.1492576 https://repositorio.uchile.cl/handle/2250/155820 |
op_rights |
Attribution-NonCommercial-NoDerivs 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.1080/14786419.2018.1492576 |
container_title |
Natural Product Research |
container_volume |
34 |
container_issue |
5 |
container_start_page |
646 |
op_container_end_page |
650 |
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1766054479683125248 |