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Non-driver mutations in myeloproliferative neoplasm-associated myelofibrosis.


ABSTRACT: We studied non-driver mutations in 62 subjects with myeloproliferative neoplasm (MPN)-associated myelofibrosis upon diagnosis, including 45 subjects with primary myelofibrosis (PMF) and 17 with post-polycythemia vera or post-essential thrombocythemia myelofibrosis (post-PV/ET MF). Fifty-eight subjects had ?1 non-driver mutation upon diagnosis. Mutations in mRNA splicing genes, especially in U2AF1, were significantly more frequent in PMF than in post-PV/ET MF (33 vs. 6%; P?=?0.015). There were also striking differences in clonal architecture. These data indicate different genomic spectrums between PMF and post-PV/ET MF.

SUBMITTER: Li B 

PROVIDER: S-EPMC5414291 | biostudies-literature | 2017 May

REPOSITORIES: biostudies-literature

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Non-driver mutations in myeloproliferative neoplasm-associated myelofibrosis.

Li Bing B   Gale Robert Peter RP   Xu Zefeng Z   Qin Tiejun T   Song Zhen Z   Zhang Peihong P   Bai Jie J   Zhang Lei L   Zhang Yue Y   Liu Jinqin J   Huang Gang G   Xiao Zhijian Z  

Journal of hematology & oncology 20170502 1


We studied non-driver mutations in 62 subjects with myeloproliferative neoplasm (MPN)-associated myelofibrosis upon diagnosis, including 45 subjects with primary myelofibrosis (PMF) and 17 with post-polycythemia vera or post-essential thrombocythemia myelofibrosis (post-PV/ET MF). Fifty-eight subjects had ≥1 non-driver mutation upon diagnosis. Mutations in mRNA splicing genes, especially in U2AF1, were significantly more frequent in PMF than in post-PV/ET MF (33 vs. 6%; P = 0.015). There were al  ...[more]

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