Abstract
It is little known that Acanthamoeba trophozoites and Toxocara canis eggs can reduce tumors in vitro and animal models. Although this has been known for many years, the mechanism that induces the antitumor effect in these parasites is still not known. We employed Western blot (WB) and immunofluorescence (IFC) by confocal microscopy to explore the potential protein binding between neuroblastoma (NB) SH-SY5Y cells and anti-Acanthamoeba and anti-Toxocara canis antibodies. Using WB, we detected two fragments of 70 kDa and 60 kDa recognized by the anti-Acanthamoeba antibodies, and two fragments of 115 kDa and 70 kDa recognized by the anti-Toxocara canis antibodies. In both cases, the IFC results were positive in the cell membrane of the SH-SY5Y cells. Our findings suggest a potential overlap of similar molecules between these parasites and tumor cells, which may contribute to tumor elimination. Investigating the relationship between anti-Acanthamoeba and anti-Toxocara canis antibodies in neoplastic cells could provide evidence for the future use of these anti-parasitic antibodies in targeting NB or other cancers.
Published Version
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