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Efficacy of ruxolitinib in a patient with myelodysplastic/myeloproliferative neoplasm unclassifiable and co-mutated JAK2, SF3B1 and TP53.


ABSTRACT: Myelodysplastic/myeloproliferative neoplasm, unclassifiable (MDS/MPN-U) is a rare but heterogeneous subtype of MDS/MPN, with no specific genetic alterations and standard treatments. ASXL1, SRSF2, TET2, JAK2 and NRAS are commonly mutated in MDS/MPN-U. Double gene mutations could be detected in MDS/MPN-U, however, co-mutations of 3 and more genes in this disease entity are very rare. Here, we present a case of MDS/MPN-U with triple mutations involving JAK2, SF3B1, and TP53. After failure of traditional therapy including hydroxyurea and interferon-?, the patient received ruxolitinib monotherapy and achieved hematological response quickly. Though mutations in TP53 implied a poor prognosis in myeloid malignancies, this patient has maintained no AML transformation for 26 months since diagnosis. Further research on complex mutations in the pathogenesis and prognosis of MDS/MPN-U is warranted.

SUBMITTER: Wang Q 

PROVIDER: S-EPMC7645062 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Efficacy of ruxolitinib in a patient with myelodysplastic/myeloproliferative neoplasm unclassifiable and co-mutated JAK2, SF3B1 and TP53.

Wang Qian Q   Dai Hai-Ping HP   Liu Dan-Dan DD   Xie Jun-Dan JD   Yao Hong H   Ding Zi-Xuan ZX   Tao Ting-Ting TT   Chen Su-Ning SN   Zhang Ri R  

Leukemia research reports 20201030


Myelodysplastic/myeloproliferative neoplasm, unclassifiable (MDS/MPN-U) is a rare but heterogeneous subtype of MDS/MPN, with no specific genetic alterations and standard treatments. <i>ASXL1, SRSF2, TET2, JAK2</i> and <i>NRAS</i> are commonly mutated in MDS/MPN-U. Double gene mutations could be detected in MDS/MPN-U, however, co-mutations of 3 and more genes in this disease entity are very rare. Here, we present a case of MDS/MPN-U with triple mutations involving <i>JAK2, SF3B1</i>, and <i>TP53<  ...[more]

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