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BRITTON, S F F
spellingShingle AKUFFO, H O
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Clinical and Experimental Immunology
Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
Immunology
Immunology and Allergy
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spelling AKUFFO, H O BRITTON, S F F 1365-2249 0009-9104 Oxford University Press (OUP) Immunology Immunology and Allergy http://dx.doi.org/10.1111/j.1365-2249.1992.tb06413.x <jats:title>SUMMARY</jats:title><jats:p>Lymphocytes of individuals from a country non-endemic for Leishmania (Sweden), responded with a vigorous interferon-gamma (IFN-γ) and IL-6 response when exposed to live or dead promastigotes of Leishmania aethiopica. This response was sometimes as strong as when the same cells were exposed to the mitogen (phytohaemagglutinin (PHA)). Furthermore, supernatants of cells exposed to Leishmania promastigotes were able to inhibit the amastigote form of the same parasite. In some few instances there was no such reactivity to Leishmania parasites. It is proposed that most individuals have such a first line cytokine response which is enough to prevent further spread and growth of the parasites. In exposed individuals who display disease symptoms, this non-Leishmania-specific response is overcome (by dose) or is weak (for genetic reasons). In the latter instances curbing of parasite growth would depend on acquired immunity.</jats:p> Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans Clinical and Experimental Immunology
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title Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_unstemmed Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_full Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_fullStr Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_full_unstemmed Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_short Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_sort contribution of non-leishmania-specific immunity to resistance to leishmania infection in humans
topic Immunology
Immunology and Allergy
url http://dx.doi.org/10.1111/j.1365-2249.1992.tb06413.x
publishDate 2008
physical 58-64
description <jats:title>SUMMARY</jats:title><jats:p>Lymphocytes of individuals from a country non-endemic for Leishmania (Sweden), responded with a vigorous interferon-gamma (IFN-γ) and IL-6 response when exposed to live or dead promastigotes of Leishmania aethiopica. This response was sometimes as strong as when the same cells were exposed to the mitogen (phytohaemagglutinin (PHA)). Furthermore, supernatants of cells exposed to Leishmania promastigotes were able to inhibit the amastigote form of the same parasite. In some few instances there was no such reactivity to Leishmania parasites. It is proposed that most individuals have such a first line cytokine response which is enough to prevent further spread and growth of the parasites. In exposed individuals who display disease symptoms, this non-Leishmania-specific response is overcome (by dose) or is weak (for genetic reasons). In the latter instances curbing of parasite growth would depend on acquired immunity.</jats:p>
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author AKUFFO, H O, BRITTON, S F F
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container_issue 1
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description <jats:title>SUMMARY</jats:title><jats:p>Lymphocytes of individuals from a country non-endemic for Leishmania (Sweden), responded with a vigorous interferon-gamma (IFN-γ) and IL-6 response when exposed to live or dead promastigotes of Leishmania aethiopica. This response was sometimes as strong as when the same cells were exposed to the mitogen (phytohaemagglutinin (PHA)). Furthermore, supernatants of cells exposed to Leishmania promastigotes were able to inhibit the amastigote form of the same parasite. In some few instances there was no such reactivity to Leishmania parasites. It is proposed that most individuals have such a first line cytokine response which is enough to prevent further spread and growth of the parasites. In exposed individuals who display disease symptoms, this non-Leishmania-specific response is overcome (by dose) or is weak (for genetic reasons). In the latter instances curbing of parasite growth would depend on acquired immunity.</jats:p>
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spelling AKUFFO, H O BRITTON, S F F 1365-2249 0009-9104 Oxford University Press (OUP) Immunology Immunology and Allergy http://dx.doi.org/10.1111/j.1365-2249.1992.tb06413.x <jats:title>SUMMARY</jats:title><jats:p>Lymphocytes of individuals from a country non-endemic for Leishmania (Sweden), responded with a vigorous interferon-gamma (IFN-γ) and IL-6 response when exposed to live or dead promastigotes of Leishmania aethiopica. This response was sometimes as strong as when the same cells were exposed to the mitogen (phytohaemagglutinin (PHA)). Furthermore, supernatants of cells exposed to Leishmania promastigotes were able to inhibit the amastigote form of the same parasite. In some few instances there was no such reactivity to Leishmania parasites. It is proposed that most individuals have such a first line cytokine response which is enough to prevent further spread and growth of the parasites. In exposed individuals who display disease symptoms, this non-Leishmania-specific response is overcome (by dose) or is weak (for genetic reasons). In the latter instances curbing of parasite growth would depend on acquired immunity.</jats:p> Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans Clinical and Experimental Immunology
spellingShingle AKUFFO, H O, BRITTON, S F F, Clinical and Experimental Immunology, Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans, Immunology, Immunology and Allergy
title Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_full Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_fullStr Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_full_unstemmed Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_short Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
title_sort contribution of non-leishmania-specific immunity to resistance to leishmania infection in humans
title_unstemmed Contribution of non-Leishmania-specific immunity to resistance to Leishmania infection in humans
topic Immunology, Immunology and Allergy
url http://dx.doi.org/10.1111/j.1365-2249.1992.tb06413.x