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Assessment of the potential therapeutic effects of omeprazole in Schistosoma mansoni infected mice

  • Helminthology - Original Paper
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Abstract

Schistosomiasis is a neglected chronic parasitic disease with a significant lasting morbidity. Currently, praziquantel (PZQ) is the most efficient drug for schistosomiasis worldwide. However, the possibility of the occurrence of resistance to PZQ is increasing. Therefore, there is a vital need to find new antischistosomal drugs or to increase the efficacy of the existing ones. Omeprazole is a proton pump inhibitor which is reported to have antiparasitic properties. Thus, the aim of this study was to assess the potential therapeutic effects of omeprazole in experimental Schistosoma mansoni infection either alone or in combination with PZQ. For this aim, 80 laboratory bred mice were divided into 3 groups; uninfected control, infected untreated control, and infected and treated at tenth week P.I. The last group was divided into three subgroups that received either PZQ alone, omeprazole alone, or both drugs. The effectiveness of treatment was assessed by adult worm counts, liver egg count, scanning electron microscopy of adult worms, histopathological, and immunohistochemical (GFAP) examination. There was significant reduction of adult worm counts, liver egg counts, size, diameter of hepatic granulomas, hepatic fibrosis, and GFAP expression in the group that received combined treatment as compared to PZQ group. Moreover, the tegumental changes were more evident in the group that received combined treatment. In conclusion, the administration of omeprazole with PZQ improved the efficacy of PZQ in the treatment of Schistosomiasis mansoni.

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Authors and Affiliations

  1. Medical Parasitology Department, Faculty of Medicine, Tanta University, Tanta, Egypt

    Asmaa R. Ellakany, Dina I. Elgendy & Amira E. Abdel Ghaffar

  2. Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt

    Hanan A. Alshenawy

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  1. Asmaa R. Ellakany
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  2. Dina I. Elgendy
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  3. Hanan A. Alshenawy
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  4. Amira E. Abdel Ghaffar
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Correspondence to Dina I. Elgendy.

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Ellakany, A.R., Elgendy, D.I., Alshenawy, H.A. et al. Assessment of the potential therapeutic effects of omeprazole in Schistosoma mansoni infected mice. Parasitol Res 118, 3399–3408 (2019). https://doi.org/10.1007/s00436-019-06465-w

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