Uncovering new complexities in mast cell signaling
Monica J.S. Nadler
& Jean-Pierre Kinet
Harvard Medical School and Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. mnadler@caregroup.harvard.edu
FcRI activation of mast cells was thought to be Lyn-dependent. It now appears that FcRI also uses a Fyn kinase−dependent pathway that is essential for mast cell degranulation.