- Differences between basophils and mast cells: failure to detect Charcot-Leyden crystal protein (lysophospholipase) and eosinophil granule major basic protein in human mast cells. Leiferman, K.M., Gleich, G.J., Kephart, G.M., Haugen, H.S., Hisamatsu, K., Proud, D., Lichtenstein, L.M., Ackerman, S.J. J. Immunol. (1986)