Effect of methyl gallate on immune response of Biomphalaria alexandrina (Ehrenberg, 1831) snails to infection with Schistosoma mansoni (Sambon, 1907)

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Mansour S.M.; Sayed S.S.M.; Abdel-Wareth M.T.A.

Journal: Parasitology Research

Publisher: Springer Science and Business Media Deutschland GmbH

Publication Date: 6 January 2021

Volume / Issue: Volume 120 / Issue 3

Pages: 1011–1023

ISSN: 9320113

DOI: 10.1007/s00436-020-07037-z

Scopus: View on Scopus

PubMed: 33409634

Document Type: Article


Authors and Affiliations

Mansour S.M., Environmental Research and Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt; Sayed S.S.M., Environmental Research and Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt; Abdel-Wareth M.T.A., Environmental Research and Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt


Abstract

Schistosomiasis still affects a lot of people in many developing countries. Reducing the disease dissemination has been the target of various studies. As methyl gallate has antioxidant properties, it is assumed that it can be a good candidate for stimulating the immune response of snails. So, the aim of this work is to investigate the potential of using methyl gallate as an immunostimulant to Biomphalaria alexandrina snails in order to prevent the development of invading miracidia into infective cercariae. The infected snails were exposed to three concentrations of methyl gallate for two periods: 24 and 72 h. The results indicated that the most effective concentration was the lowest one: 125 mg/L of methyl gallate for 72 h, as it reduced both infection rate and mean number of shed cercariae. Also, it increased the total number of snails’ hemocytes in hemolymph, which were observed in head-foot region and digestive gland of treated snails surrounding degenerated sporocysts and cercariae. In addition, hydrogen peroxide showed its highest content in tissues of snails exposed to 125 mg/L of methyl gallate for 72 h. In conclusion, methyl gallate can be considered as one of the most promising immunostimulants of B. alexandrina snails against infection with Schistosoma mansoni. © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.


Keywords

Biomphalaria alexandrina; Hydrogen peroxide; Immunostimulant; Methyl gallate; Schistosomiasis; Adjuvants, Immunologic; Animals; Biomphalaria; Gallic Acid; Hemocytes; Hemolymph; Immunity; Oocysts; Schistosoma mansoni; gallic acid methyl ester; immunological adjuvant; animal tissue; Article; blood cell; cercaria; controlled study; effective concentration; immune response; infection prevention; infection rate; miracidium; nonhuman; priority journal; schistosomiasis mansoni; sporocyst; animal; cytology; drug effect; immunology; oocyst; parasitology


Citation Information

Scopus Citations: 12


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