Genetic and pharmacologic evidence implicating the p85 alpha, but not p85 beta, regulatory subunit of PI3K and Rac2 GTPase in regulating oncogenic KIT-induced transformation in acute myeloid leukemia and systemic mastocytosis. - Munugalavadla V; Sims EC; Borneo J; Chan RJ; Kapur R (Blood, 2007)