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  • Title: No evidence of Wolbachia endosymbiosis with Loa loa and Mansonella perstans.
    Author: Grobusch MP, Kombila M, Autenrieth I, Mehlhorn H, Kremsner PG.
    Journal: Parasitol Res; 2003 Aug; 90(5):405-8. PubMed ID: 12748849.
    Abstract:
    Endosymbiotic Wolbachia bacteria from different filarial species, including major pathogens of humans such as Wuchereria bancrofti, Brugia malayi and Onchocerca volvulus, seem to play an important role in the development, viability and fertility of these worms. Wolbachia trigger inflammatory host responses as well as adverse reactions against standard treatment regimens and are therefore under investigation as novel treatment targets. We investigated whether Wolbachia are also endosymbiotic in Loa loa and Mansonella perstans. In both male and female adult L. loa, we found no evidence of bacteria by light or transmission electron microscopy. Furthermore, Wolbachia-specific PCR was negative in both L. loa and M. perstans microfilariae. The absence of Wolbachia in both filarial species therefore discourages the use of antibiotics as an adjunct or alternative approach to current treatment concepts for both loiasis and mansonelliasis perstans.
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