Parasite-specific anergy in human filariasis. Insights after analysis of parasite antigen-driven lymphokine production.
Identifieur interne : 009894 ( Ncbi/Checkpoint ); précédent : 009893; suivant : 009895Parasite-specific anergy in human filariasis. Insights after analysis of parasite antigen-driven lymphokine production.
Auteurs : T B Nutman ; V. Kumaraswami ; E A OttesenSource :
- Journal of Clinical Investigation [ 0021-9738 ] ; 1987.
Descripteurs français
- KwdFr :
- MESH :
- biosynthèse : Lymphokines.
- immunologie : Antigènes d'helminthe, Brugia, Filarioses, Wuchereria, Wuchereria bancrofti, Éléphantiasis.
- Adulte, Adulte d'âge moyen, Cinétique, Femelle, Humains, Mâle, Production d'anticorps.
English descriptors
- KwdEn :
- MESH :
- chemical , biosynthesis : Lymphokines.
- chemical , immunology : Antigens, Helminth.
- immunology : Brugia, Elephantiasis, Filariasis, Wuchereria, Wuchereria bancrofti.
- Adult, Antibody Formation, Female, Humans, Kinetics, Male, Middle Aged.
Abstract
The antigen-specific immune unresponsiveness seen in bancroftian filariasis was studied by examining lymphokine production in peripheral blood mononuclear cells (PBMC) or PBMC subpopulations from 10 patients with asymptomatic microfilaremia, 13 patients with elephantiasis and 6 normal North Americans. In each group of patients, the kinetics of the lymphokine response and the response to mitogens and nonparasite antigens did not differ significantly. In marked contrast, when antigen-induced lymphokine production was examined, most patients with microfilaremia were unable to produce either interleukin 2 (IL-2) or gamma-interferon (i.e., were nonresponders), and the few who could (hyporesponders, generally with quite low microfilaremia levels) did so at levels significantly less than those of patients with elephantiasis, all of whom showed strong responses to parasite antigen. Removal of neither adherent cells or T8+ cells affected the parasite-specific anergy seen in those with microfilaremia, suggesting a state of T cell tolerance to the parasite in patients with this most common clinical manifestation of bancroftian filariasis.
Url:
PubMed: 3553242
PubMed Central: 424428
Affiliations:
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PMC:424428Le document en format XML
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<series><title level="j">Journal of Clinical Investigation</title>
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<term>Antibody Formation</term>
<term>Antigens, Helminth (immunology)</term>
<term>Brugia (immunology)</term>
<term>Elephantiasis (immunology)</term>
<term>Female</term>
<term>Filariasis (immunology)</term>
<term>Humans</term>
<term>Kinetics</term>
<term>Lymphokines (biosynthesis)</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Wuchereria (immunology)</term>
<term>Wuchereria bancrofti (immunology)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Adulte</term>
<term>Adulte d'âge moyen</term>
<term>Antigènes d'helminthe (immunologie)</term>
<term>Brugia (immunologie)</term>
<term>Cinétique</term>
<term>Femelle</term>
<term>Filarioses (immunologie)</term>
<term>Humains</term>
<term>Lymphokines (biosynthèse)</term>
<term>Mâle</term>
<term>Production d'anticorps</term>
<term>Wuchereria (immunologie)</term>
<term>Wuchereria bancrofti (immunologie)</term>
<term>Éléphantiasis (immunologie)</term>
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<keywords scheme="MESH" type="chemical" qualifier="biosynthesis" xml:lang="en"><term>Lymphokines</term>
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<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en"><term>Antigens, Helminth</term>
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<keywords scheme="MESH" qualifier="biosynthèse" xml:lang="fr"><term>Lymphokines</term>
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<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Antigènes d'helminthe</term>
<term>Brugia</term>
<term>Filarioses</term>
<term>Wuchereria</term>
<term>Wuchereria bancrofti</term>
<term>Éléphantiasis</term>
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<term>Elephantiasis</term>
<term>Filariasis</term>
<term>Wuchereria</term>
<term>Wuchereria bancrofti</term>
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<term>Antibody Formation</term>
<term>Female</term>
<term>Humans</term>
<term>Kinetics</term>
<term>Male</term>
<term>Middle Aged</term>
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<term>Adulte d'âge moyen</term>
<term>Cinétique</term>
<term>Femelle</term>
<term>Humains</term>
<term>Mâle</term>
<term>Production d'anticorps</term>
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<front><div type="abstract" xml:lang="en"><p>The antigen-specific immune unresponsiveness seen in bancroftian filariasis was studied by examining lymphokine production in peripheral blood mononuclear cells (PBMC) or PBMC subpopulations from 10 patients with asymptomatic microfilaremia, 13 patients with elephantiasis and 6 normal North Americans. In each group of patients, the kinetics of the lymphokine response and the response to mitogens and nonparasite antigens did not differ significantly. In marked contrast, when antigen-induced lymphokine production was examined, most patients with microfilaremia were unable to produce either interleukin 2 (IL-2) or gamma-interferon (i.e., were nonresponders), and the few who could (hyporesponders, generally with quite low microfilaremia levels) did so at levels significantly less than those of patients with elephantiasis, all of whom showed strong responses to parasite antigen. Removal of neither adherent cells or T8+ cells affected the parasite-specific anergy seen in those with microfilaremia, suggesting a state of T cell tolerance to the parasite in patients with this most common clinical manifestation of bancroftian filariasis.</p>
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<name sortKey="Nutman, T B" sort="Nutman, T B" uniqKey="Nutman T" first="T B" last="Nutman">T B Nutman</name>
<name sortKey="Ottesen, E A" sort="Ottesen, E A" uniqKey="Ottesen E" first="E A" last="Ottesen">E A Ottesen</name>
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