JAK2V617F myeloproliferative neoplasm eradication by a novel interferon/arsenic therapy involves PML.
JAK2V617F myeloproliferative neoplasm eradication by a novel interferon/arsenic therapy involves PML.
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DOI:
10.1084/jem.20201268
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发表时间:
2021-02-01
期刊:
影响因子:
--
通讯作者:
de Thé H
中科院分区:
文献类型:
--
作者:
Dagher T;Maslah N;Edmond V;Cassinat B;Vainchenker W;Giraudier S;Pasquier F;Verger E;Niwa-Kawakita M;Lallemand-Breitenbach V;Plo I;Kiladjian JJ;Villeval JL;de Thé H
Myeloproliferative neoplasms are partly sensitive to interferon α therapy. Dagher et al. demonstrate that arsenic trioxide sharply potentiates interferon’s ability to eliminate patients’ progenitors or disease-initiating cells from mouse models by targeting PML, an interferon target and key senescence gene. Interferon α (IFNα) is used to treat JAK2V617F-driven myeloproliferative neoplasms (MPNs) but rarely clears the disease. We investigated the IFNα mechanism of action focusing on PML, an interferon target and key senescence gene whose targeting by arsenic trioxide (ATO) drives eradication of acute promyelocytic leukemia. ATO sharply potentiated IFNα-induced growth suppression of JAK2V617F patient or mouse hematopoietic progenitors, which required PML and was associated with features of senescence. In a mouse MPN model, combining ATO with IFNα enhanced and accelerated responses, eradicating MPN in most mice by targeting disease-initiating cells. These results predict potent clinical efficacy of the IFNα+ATO combination in patients and identify PML as a major effector of therapy, even in malignancies with an intact PML gene.
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