Keywords: فسفاتیروزین فسفاتاز; endosomal acidic insulinase; endosomes; insulin receptor; phosphorylation; phosphotyrosine phosphatase; tyrosine kinase; insulinase endosomique acide; endosomes; récepteur de l'insuline; phosphorylation; phosphotyrosine phosphatase; tyrosine kinase;