-; Introduction: High percentages of structural identity and cross-immunoreactivity have been reported between potato apyrase and Schistosoma mansoni ATP diphosphohydrolase (SmATPDases) isoforms, showing the existence of particular epitopes shared between these proteins. Methods: Potato apyrase was employed using ELISA, western blot, and mouse immunization methods to verify IgE reactivity. Results: Most of the ...