Which of the following is seen in eosinophil granules?
Cathepsin
Major basic protein
Transferrin
All of the above
Eosinophils are abundant in immune reactions mediated by IgE and in parasitic infections. A chemokine that is especially impoant for eosinophil recruitment is eotaxin. Eosinophils have granules that contain major basic protein, a highly cationic protein that is toxic to parasites but also causes lysis of mammalian epithelial cells. Ref: Robbins 8th edition, Chapter 2.