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Beiträge zur Immundiagnostik der Filariosen bei Tropenrückkehrern sowie bei europäischen und autochthonen Bewohnern von Endemiegebieten

Immunological diagnosis of filariosis in persons returning from tropical countries and in European and indigenous inhabitants of endemic areas

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Zusammenfassung

Serumproben von Personen, die in Onchozerkosegebieten lebten oder eine Filariose hatten, wurden auf Antikörper gegen Rohextrakte aus Dirofilaria immitis, Onchocerca volvulus, Dipetalonema viteae und Ascaris suum in der Komplementbindung und indirekten Hämagglutination untersucht. Die Ergebnisse lassen folgende Deutungen zu: 1. Bei europäischen und autochthonen Bewohnern von Endemiegebieten mit und ohne Filariose erwies sich die indirekte Hämagglutination als der empfindlichere Test beim Nachweis von Antikörpern. 2. Bei 21 Loiasis-, 12 Onchozerkose-, 11 Dipetalonema perstans- und 22 Fällen klinischer Filariose ohne Mikrofilariennachweis konnten mit dem Serumverdünnungsfaktor 2 keine Titerdifferenzen gegen die vier Extrakte in beiden Tests festgestellt werden. Daraus wurde geschlossen, daß Untersuchungen mit Rohextrakten keine Aussagen über die Identität jener Antigene zulassen, die für die Stimulation der Antikörper verantwortlich waren.

Summary

Serum samples from persons who lived in areas where onchocerciasis occurred or who had filariasis were examined with the complement fixation test and the indirect hemagglutination test for the presence of antibodies against crude extracts from Dirofilaria immitis, Onchocerca volvulus, Dipetalonema viteae, and Ascaris suum. The results could be interpreted as follows: 1. The indirect hemagglutination test was more sensitive than the complement fixation test for the demonstration of antibodies in sera from European and indigenous inhabitants of endemic areas. 2. There were no differences between the responses to the four crude worm extracts among the groups of 21 patients with Loa loa, 12 patients with Onchocerca volvulus, 11 patients with Dipetalonema perstans, and 22 patients with clinical filariasis in whom no microfilaria had been found. It was concluded that the examination with crude extracts cannot give any information about the antigens that had caused the stimulation of antibodies.

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Mannweiler, E., Büttner, D.W., Lederer, I. et al. Beiträge zur Immundiagnostik der Filariosen bei Tropenrückkehrern sowie bei europäischen und autochthonen Bewohnern von Endemiegebieten. Infection 5, 219–223 (1977). https://doi.org/10.1007/BF01640784

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  • DOI: https://doi.org/10.1007/BF01640784

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