Elimination of hepatic rodent plasmodium parasites by amino acid supplementation
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10451/47274 |
Resumo: | © 2020 The Authors.This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/) |
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oai:repositorio.ul.pt:10451/47274 |
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RCAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository_id_str |
7160 |
spelling |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementationDietParasitologyPhysiology© 2020 The Authors.This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)Plasmodium parasites, causative agents of malaria, scavenge host nutrients to sustain their intracellular replication. Modulation of the host's nutritional status can potentially help control infection by limiting the parasite's access to nutrients, or by boosting the immune system. Here, we show that dietary supplementation of mice employing a combination of arginine (R) with two additional amino acids, lysine (K) and valine (V), termed RKV, significantly decreases Plasmodium liver infection. RKV supplementation results in the elimination of parasites at a late stage of their development in the liver. Our data employing genetic knockout mouse models and in vivo depletion of specific cell populations suggest that RKV supplementation boosts the host's overall innate immune response, and that parasite elimination is dependent on MyD88 signaling in immune cells. The immunostimulatory effect of RKV supplementation opens a potential role for dietary supplementation as an adjuvant for prophylaxis or immunization strategies against Plasmodium infection.This work was supported by Fundação para a Ciência e a Tecnologia , Portugal, through Grant PTDC/SAU-INF/29550/2017 to MP.ElsevierRepositório da Universidade de LisboaMeireles, PatriciaBrás, DanielaFontinha, DianaChora, Ângelo FerreiraSerre, KarineMendes, António M.Prudêncio, Miguel2021-04-07T12:31:35Z20202020-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10451/47274engiScience. 2020 Nov 6;23(12):10178110.1016/j.isci.2020.1017812589-0042info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-11-20T18:05:36Zoai:repositorio.ul.pt:10451/47274Portal AgregadorONGhttps://www.rcaap.pt/oai/openairemluisa.alvim@gmail.comopendoar:71602024-11-20T18:05:36Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation |
title |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation |
spellingShingle |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation Meireles, Patricia Diet Parasitology Physiology |
title_short |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation |
title_full |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation |
title_fullStr |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation |
title_full_unstemmed |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation |
title_sort |
Elimination of hepatic rodent plasmodium parasites by amino acid supplementation |
author |
Meireles, Patricia |
author_facet |
Meireles, Patricia Brás, Daniela Fontinha, Diana Chora, Ângelo Ferreira Serre, Karine Mendes, António M. Prudêncio, Miguel |
author_role |
author |
author2 |
Brás, Daniela Fontinha, Diana Chora, Ângelo Ferreira Serre, Karine Mendes, António M. Prudêncio, Miguel |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Repositório da Universidade de Lisboa |
dc.contributor.author.fl_str_mv |
Meireles, Patricia Brás, Daniela Fontinha, Diana Chora, Ângelo Ferreira Serre, Karine Mendes, António M. Prudêncio, Miguel |
dc.subject.por.fl_str_mv |
Diet Parasitology Physiology |
topic |
Diet Parasitology Physiology |
description |
© 2020 The Authors.This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/) |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020 2020-01-01T00:00:00Z 2021-04-07T12:31:35Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10451/47274 |
url |
http://hdl.handle.net/10451/47274 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
iScience. 2020 Nov 6;23(12):101781 10.1016/j.isci.2020.101781 2589-0042 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
mluisa.alvim@gmail.com |
_version_ |
1817549132241305600 |