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首页> 外文期刊>Cancer Cell >Distinct stem cell myeloproliferative/T lymphoma syndromes induced by ZNF198-FGFR1 and BCR-FGFR1 fusion genes from 8p11 translocations.
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Distinct stem cell myeloproliferative/T lymphoma syndromes induced by ZNF198-FGFR1 and BCR-FGFR1 fusion genes from 8p11 translocations.

机译:由8p11易位引起的ZNF198-FGFR1和BCR-FGFR1融合基因诱导的明显的干细胞骨髓增生性/ T淋巴瘤综合征。

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摘要

8p11 myeloproliferative syndrome (EMS) is a hematopoietic stem cell disorder characterized by myeloid hyperplasia and non-Hodgkin's lymphoma with chromosomal translocations fusing several genes, most commonly ZNF198, to fibroblast growth factor receptor-1 (FGFR1). However, patients with BCR-FGFR1 fusion present with typical chronic myeloid leukemia (CML). We demonstrate that ZNF198-FGFR1 induces EMS-like disease in mice, with myeloproliferation and T lymphoma arising from common multipotential progenitors. Mutation of FGFR1 Tyr766 attenuates both myeloid and lymphoid diseases, identifying phospholipase C-gamma1 as a downstream effector. Bcr-FGFR1 binds Grb2 via Bcr Tyr177 and induces CML-like leukemia in mice, whereas Bcr-FGFR1/Y177F lacks Grb2 binding and causes EMS-like disease. These results implicate different signaling pathways originating from both kinase and fusion partner in the pathogenesis of CML and EMS.
机译:8p11骨髓增生异常综合征(EMS)是一种造血干细胞疾病,其特征是髓样增生和非霍奇金淋巴瘤,染色体易位,将几种基因(最常见的ZNF198)融合到成纤维细胞生长因子受体1(FGFR1)中。然而,具有BCR-FGFR1融合的患者表现出典型的慢性粒细胞白血病(CML)。我们证明ZNF198-FGFR1诱导小鼠骨髓增生和T淋巴瘤由常见的多能祖细胞引起的EMS样疾病。 FGFR1 Tyr766的突变减弱了髓样和淋巴样疾病,将磷脂酶C-γ1鉴定为下游效应子。 Bcr-FGFR1通过Bcr Tyr177结合Grb2并诱导小鼠CML样白血病,而Bcr-FGFR1 / Y177F缺乏Grb2结合并引起EMS样疾病。这些结果暗示了在CML和EMS的发病机理中源自激酶和融合伴侣的不同信号通路。

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