Detection of circulating and urinary antigens in Mastomys natalensis experimentally infected with Brugia malayi, Brugia pahangi, or Litomosoides carinii.
Identifieur interne : 00E656 ( Main/Exploration ); précédent : 00E655; suivant : 00E657Detection of circulating and urinary antigens in Mastomys natalensis experimentally infected with Brugia malayi, Brugia pahangi, or Litomosoides carinii.
Auteurs : C. Lutsch [France] ; J Y Cesbron ; H. Zahner ; A. CapronSource :
- Parasitology research [ 0932-0113 ] ; 1987.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Antigènes d'helminthe.
- immunologie : Brugia, Filarioidea, Filariose lymphatique, Filarioses.
- urine : Antigènes d'helminthe.
- Animaux, Anticorps monoclonaux, Dosage radioimmunologique, Muridae.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Antigens, Helminth.
- chemical , urine : Antigens, Helminth.
- chemical : Antibodies, Monoclonal.
- immunology : Brugia, Elephantiasis, Filarial, Filariasis, Filarioidea.
- Animals, Muridae, Radioimmunoassay.
Abstract
The time-course of the detection of circulating and urinary filarial antigens was followed with a 2S-IRMA assay, using a mouse monoclonal antibody raised against Brugia malayi larvae, in Mastomys natalensis experimentally infected with Brugia malayi, Brugia pahangi, or Litomosoides carinii. In the prepatent phase of the infections, filarial antigen was detected 4-7 weeks before microfilariae appeared in the peripheral blood. Moreover, the sensitivity of the test was greater with urine than with serum. During the patent phase of infection, the level of circulating antigens detected varied considerably. However, there was a positive correlation (P less than 0.05) between antigenemia and microfilaremia. In L. carinii infection, filarial antigen could be easily detected in spite of the disappearance of microfilariae in peripheral blood, 49 weeks post infection. If these results are extrapolated to man, the 2S-IRMA should be useful for epidemiological surveys in endemic areas where transmission has been eliminated.
PubMed: 3438300
Affiliations:
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Le document en format XML
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<term>Brugia (immunology)</term>
<term>Elephantiasis, Filarial (immunology)</term>
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<term>Muridae</term>
<term>Radioimmunoassay</term>
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<term>Antigènes d'helminthe (urine)</term>
<term>Brugia (immunologie)</term>
<term>Dosage radioimmunologique</term>
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<term>Filariose lymphatique (immunologie)</term>
<term>Filarioses (immunologie)</term>
<term>Muridae</term>
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<term>Filarioidea</term>
<term>Filariose lymphatique</term>
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<front><div type="abstract" xml:lang="en">The time-course of the detection of circulating and urinary filarial antigens was followed with a 2S-IRMA assay, using a mouse monoclonal antibody raised against Brugia malayi larvae, in Mastomys natalensis experimentally infected with Brugia malayi, Brugia pahangi, or Litomosoides carinii. In the prepatent phase of the infections, filarial antigen was detected 4-7 weeks before microfilariae appeared in the peripheral blood. Moreover, the sensitivity of the test was greater with urine than with serum. During the patent phase of infection, the level of circulating antigens detected varied considerably. However, there was a positive correlation (P less than 0.05) between antigenemia and microfilaremia. In L. carinii infection, filarial antigen could be easily detected in spite of the disappearance of microfilariae in peripheral blood, 49 weeks post infection. If these results are extrapolated to man, the 2S-IRMA should be useful for epidemiological surveys in endemic areas where transmission has been eliminated.</div>
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