Evaluation of the prophylactic and therapeutic efficacies of mucus and tissue nucleoproteins extracted from Biomphalaria alexandrina snails on schistosomiasis mansoni

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Nafie E.H.; Abou-Gamra M.M.; Mossalem H.S.; Sarhan R.M.; Hammam O.A.; Nasr S.M.; Anwar M.M.

Journal: Journal of Parasitic Diseases

Publisher: Springer

Publication Date: 26 June 2024

Volume / Issue: Volume 48 / Issue 3

Pages: 551–569

ISSN: 9717196

DOI: 10.1007/s12639-024-01692-0

Scopus: View on Scopus

Document Type: Article

Access: All Open Access; Green Open Access


Authors and Affiliations

Nafie E.H., Departments of Medical Parasitology Department, Faculty of Medicine, Ain Shams University, Ramsis St., Abbassia, Cairo, 11566, Egypt; Abou-Gamra M.M., Departments of Medical Parasitology Department, Faculty of Medicine, Ain Shams University, Ramsis St., Abbassia, Cairo, 11566, Egypt; Mossalem H.S., Departments of Medical Malacology, Theodor Bilharz Research Institute, El-Nile St., Warrak El-Hader, Imbaba, Giza, Egypt; Sarhan R.M., Departments of Medical Parasitology Department, Faculty of Medicine, Ain Shams University, Ramsis St., Abbassia, Cairo, 11566, Egypt; Hammam O.A., Departments of Pathology, Theodor Bilharz Research Institute, El-Nile St., Warrak El-Hader, Imbaba, Giza, Egypt; Nasr S.M., Departments of Biochemistry, Theodor Bilharz Research Institute, El-Nile St., Warrak El-Hader, Imbaba, Giza, Egypt; Anwar M.M., Departments of Medical Parasitology Department, Faculty of Medicine, Ain Shams University, Ramsis St., Abbassia, Cairo, 11566, Egypt


Abstract

Schistosomiasis is a neglected tropical disease with considerable morbidity. The lone effective drug, praziquantel (PZQ), is showing emergence of drug resistance hence, searching for new supportive treatment is crucial. This study aimed to evaluate the efficacy of mucus and nucleoproteins (NPs) extracted from Biomphalaria alexandrina (B. alexandrina) snails on miracidia, cercariae and Schistosoma mansoni (S. mansoni) adults in vitro and assess their experimental in vivo effect through parasitological, histopathological, and biochemical parameters. The in vivo study included 90 male Swiss albino mice. Mice were grouped into 9 groups; G1-G5 were infected and treated with; GI: PZQ, GII: mucus, GIII: combined PZQ and mucus, GIV: NPs, GV: combined PZQ and NPs. Control groups; C1: Non infected non treated (negative control), C2: Infected non treated (positive control), C3: Non infected mucus treated and C4: Non infected NPs treated. The in vitro study proved that the mucus had a better lethal effect on cercariae than miracidia, while NPs had better lethal effect on miracidia. The mucus lethal effect on adults surpassed the NPs as 100% and 60%, respectively. The in vivo study proved that the combined NPs or mucus with PZQ added to the effect of individual PZQ resulting in 100% total worm burden (TWB) reduction. As regard oxidative stress markers, the lowest level of nitric oxide (NO) was shown with combined PZQ and NPs. While, the highest glutathione (GSH) level was produced by individual PZQ. The study concluded that mucus and NPs of B. alexandrina had cercaricidal, miracidicidal and anti-schistosomal effect in vitro and that their combination could be considered a contribution to PZQ potentiality in vivo. © Indian Society for Parasitology 2024.


Keywords

Antischistosomal; Biomphalaria alexandrina; Mucus; Nitric oxide; Nucleoproteins; Praziquantel; Reduced glutathione; Schistosoma mansoni; glutathione; nucleoprotein; adult; animal experiment; Article; cell vacuole; colorimetry; controlled study; female; histopathology; in vivo study; LC50; LC90; male; minimum bactericidal concentration; morbidity; mortality; mortality rate; mouse; nonhuman; outcome assessment; oxidative stress; prophylaxis; red blood cell distribution width; schistosomiasis; snail; therapy effect


Citation Information

Scopus Citations: 1


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