Cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum.
Immunity to malaria is believed to wane with time in the absence of exposure to Plasmodium falciparum infection, but immunoepidemiological data on longevity of immunity remain controversial. We quantified serum cytokines and chemokines by suspension array technology as potential biomarkers for durab...
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2013
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oai:doaj.org-article:a0248abbdb654bed9ab6f334f784a38c2021-11-18T08:59:36ZCytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum.1932-620310.1371/journal.pone.0073360https://doaj.org/article/a0248abbdb654bed9ab6f334f784a38c2013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23967342/?tool=EBIhttps://doaj.org/toc/1932-6203Immunity to malaria is believed to wane with time in the absence of exposure to Plasmodium falciparum infection, but immunoepidemiological data on longevity of immunity remain controversial. We quantified serum cytokines and chemokines by suspension array technology as potential biomarkers for durability of immunity in immigrants with clinical malaria after years without parasite exposure. These were compared to serum/plasma profiles in naïve adults (travelers) and semi-immune adults under continuous exposure, with malaria, along with immigrant and traveler patients without malaria. Immigrants had higher levels of IL-2, IL-5 and IL-8 compared to semi-immune adults with malaria (P≤0.0200). Time since immigration correlated with increased IL-2 (rho=0.2738P=0.0495) and IFN-γ (rho=0.3044P=0.0282). However, immigrants did not show as high IFN-γ concentrations as travelers during a first malaria episode (P<0.0001). Immigrants and travelers with malaria had higher levels of IFN-γ, IL-6, and IL-10 (P<0.0100) than patients with other diseases, and IL-8 and IL-1β were elevated in immigrants with malaria (P<0.0500). Therefore, malaria patients had a characteristic strong pro-inflammatory/Th1 signature. Upon loss of exposure, control of pro-inflammatory responses and tolerance to P. falciparum appeared to be reduced. Understanding the mechanisms to maintain non-pathogenic effector responses is important to develop new malaria control strategies.Gemma MoncunillAlfredo MayorAzucena BardajíLaura PuyolAugusto NhabombaDiana BarriosRuth AguilarMaría-Jesús PinazoMercè AlmirallCristina SolerJosé MuñozJoaquim GascónCarlota DobañoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 8, p e73360 (2013) |
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Medicine R Science Q |
| spellingShingle |
Medicine R Science Q Gemma Moncunill Alfredo Mayor Azucena Bardají Laura Puyol Augusto Nhabomba Diana Barrios Ruth Aguilar María-Jesús Pinazo Mercè Almirall Cristina Soler José Muñoz Joaquim Gascón Carlota Dobaño Cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum. |
| description |
Immunity to malaria is believed to wane with time in the absence of exposure to Plasmodium falciparum infection, but immunoepidemiological data on longevity of immunity remain controversial. We quantified serum cytokines and chemokines by suspension array technology as potential biomarkers for durability of immunity in immigrants with clinical malaria after years without parasite exposure. These were compared to serum/plasma profiles in naïve adults (travelers) and semi-immune adults under continuous exposure, with malaria, along with immigrant and traveler patients without malaria. Immigrants had higher levels of IL-2, IL-5 and IL-8 compared to semi-immune adults with malaria (P≤0.0200). Time since immigration correlated with increased IL-2 (rho=0.2738P=0.0495) and IFN-γ (rho=0.3044P=0.0282). However, immigrants did not show as high IFN-γ concentrations as travelers during a first malaria episode (P<0.0001). Immigrants and travelers with malaria had higher levels of IFN-γ, IL-6, and IL-10 (P<0.0100) than patients with other diseases, and IL-8 and IL-1β were elevated in immigrants with malaria (P<0.0500). Therefore, malaria patients had a characteristic strong pro-inflammatory/Th1 signature. Upon loss of exposure, control of pro-inflammatory responses and tolerance to P. falciparum appeared to be reduced. Understanding the mechanisms to maintain non-pathogenic effector responses is important to develop new malaria control strategies. |
| format |
article |
| author |
Gemma Moncunill Alfredo Mayor Azucena Bardají Laura Puyol Augusto Nhabomba Diana Barrios Ruth Aguilar María-Jesús Pinazo Mercè Almirall Cristina Soler José Muñoz Joaquim Gascón Carlota Dobaño |
| author_facet |
Gemma Moncunill Alfredo Mayor Azucena Bardají Laura Puyol Augusto Nhabomba Diana Barrios Ruth Aguilar María-Jesús Pinazo Mercè Almirall Cristina Soler José Muñoz Joaquim Gascón Carlota Dobaño |
| author_sort |
Gemma Moncunill |
| title |
Cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum. |
| title_short |
Cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum. |
| title_full |
Cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum. |
| title_fullStr |
Cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum. |
| title_full_unstemmed |
Cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to Plasmodium falciparum. |
| title_sort |
cytokine profiling in immigrants with clinical malaria after extended periods of interrupted exposure to plasmodium falciparum. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2013 |
| url |
https://doaj.org/article/a0248abbdb654bed9ab6f334f784a38c |
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