Antibodies against Echinococcus multilocularis alkaline phosphatase as markers for the specific diagnosis and the serological monitoring of Alveolar echinococcosis - Archive ouverte HAL Access content directly
Journal Articles Parasite Immunology Year : 1997

Antibodies against Echinococcus multilocularis alkaline phosphatase as markers for the specific diagnosis and the serological monitoring of Alveolar echinococcosis

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Abstract

The immunological properties of the purified alkaline phos-phatase (pAP) of Echinococcus multilocularis metacestodes have been investigated using alveolar echinococcosis (AE) patient sera in ELISA tests. A comparative study was done with EmC-Ag (crude antigen) and pAP-Ag (purified anti-gen). When the parasite purified enzyme pAP was used as antigen, the specificity of the ELISA was markedly increased since it reached 100% without any decrease of its sensitivity (100%). The serologic follow-up of AE patients was conducted during several months with these two antigens in three categories of patients: cured, stabilized and aggravated. There was a good correlation between clinical and serologic data when the pAP was used as antigen in ELISA tests. The anti-pAP antibodies titres did change more rapidly than anti-EmC antibodies titres when a recurrence occurred. Modifications of the anti-pAP antibodies levels were also observed during the patient's therapy: mebenda-zole, albendazole and Isoprinosine ®. These results suggest that pAP-Ag should be used for the diagnosis and the follow-up of AE patients.
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hal-02110851 , version 1 (26-04-2019)

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Elisabeth M Sarciron, Solange Bresson-Hadni, Mariette Mercier, Philippe Lawton, Christelle Duranton, et al.. Antibodies against Echinococcus multilocularis alkaline phosphatase as markers for the specific diagnosis and the serological monitoring of Alveolar echinococcosis. Parasite Immunology, 1997, 19 (2), pp.61-68. ⟨10.1046/j.1365-3024.1997.d01-183.x⟩. ⟨hal-02110851⟩
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