SRSF2 mutations in myelodysplasia/myeloproliferative neoplasms.

SRSF2 mutations in myelodysplasia/myeloproliferative neoplasms.
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DOI:
10.1186/s40364-018-0142-y
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发表时间:
2018
期刊:
影响因子:
11.1
通讯作者:
Liu D
Liu D
中科院分区:
医学2区
文献类型:
--
作者:
Aujla A;Linder K;Iragavarapu C;Karass M;Liu D

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在骨髓增生异常综合征(MDS)/骨髓增殖性肿瘤(MPN)重叠综合征(MMOS)中,已经描述了反复出现的基因突变,其频率各不相同。近期的研究工作重点关注理解涉及剪接体机制的基因损伤在白血病发生中的作用。SRSF2是一种编码关键剪接体蛋白的基因。SRSF2突变似乎在MMOS的发病机制中起重要作用,特别是在慢性粒单核细胞白血病中。抑制剪接可能是一种新的治疗方法。E7107是一种剪接体抑制剂,已被证明在SRSF2突变细胞中对剪接的抑制作用更强,从而导致小鼠白血病负荷降低。H3B - 8800是一种剪接体复合物的小分子调节剂,已被证明可降低SRSF2 - P95H突变小鼠的白血病负荷。本综述重点关注各种MMOS中突变SRSF2的发生率以及剪接体抑制剂的近期临床开发情况。
Recurrent gene mutations have been described with varying frequencies in myelodysplasia (MDS) /myeloproliferative neoplasm (MPN) overlap syndromes (MMOS). Recent work has placed significant focus on understanding the role of gene lesions involving the spliceosomal machinery in leukemogeneis. SRSF2 is a gene encoding critical spliceosomal proteins. SRSF2 mutations appear to play an important role in pathogenesis of MMOS, particularly in chronic myelomonocytic leukemia. Inhibition of splicing may be a new therapeutic approach. E7107, a spliceosome inhibitor, has been shown to differentially inhibit splicing more in SRSF2-mutant cells leading to decreased leukemia burden in mice. H3B-8800 is a small molecule modulator of spliceosome complex and has been shown to lower leukemia burden in SRSF2-P95H mutant mice. This review focuses on the incidence of mutant SRSF2 across various MMOS as well as recent clinical development of spliceosome inhibitors.
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