Fig. 2From: The release of tryptase from mast cells promote tumor cell metastasis via exosomesCharacteristics of bone marrow mast cells. a Bone marrow mast cells (BMMCs) showed abundant purple granules following toluidine blue staining (400×). b BMMCs were positive for CD117 and IgE receptor (FcεRI) by flow cytometry analysis. c The Western blotting analysis indicated that BMMCs expressed KIT and tryptaseBack to article page