Interleukin-9 (IL-9) and NPM-ALK each generate mast cell hyperplasia as single 'hit' and cooperate in producing a mastocytosis-like disease in mice.

白细胞介素-9 (IL-9) 和 NPM-ALK 各自作为单一“打击”产生肥大细胞增生，并协同作用在小鼠中产生类似肥大细胞增生症的疾病