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Lei, Hu; Xu, Han-Zhang; Shan, Hui-Zhuang; Liu, Meng; Lu, Ying; Fang, Zhi-Xiao; Jin, Jin; Jing, Bo; Xiao, Xin-Hua; Gao, Shen-Meng; Gao, Feng-Hou; Xia, Li; Yang, Li; Liu, Li-Gen; Wang, Wei-Wei; Liu, Chuan-Xu; Tong, Yin; Wu, Yun-Zhao; Zheng, Jun-Ke; Chen, Guo-Qiang; Zhou, Li; Wu, Ying-Li
Nature communications, 01/2021, Letnik: 12, Številka: 1Journal Article
Identifying novel drug targets to overcome resistance to tyrosine kinase inhibitors (TKIs) and eradicating leukemia stem/progenitor cells are required for the treatment of chronic myelogenous leukemia (CML). Here, we show that ubiquitin-specific peptidase 47 (USP47) is a potential target to overcome TKI resistance. Functional analysis shows that USP47 knockdown represses proliferation of CML cells sensitive or resistant to imatinib in vitro and in vivo. The knockout of Usp47 significantly inhibits BCR-ABL and BCR-ABL -induced CML in mice with the reduction of Lin Sca1 c-Kit CML stem/progenitor cells. Mechanistic studies show that stabilizing Y-box binding protein 1 contributes to USP47-mediated DNA damage repair in CML cells. Inhibiting USP47 by P22077 exerts cytotoxicity to CML cells with or without TKI resistance in vitro and in vivo. Moreover, P22077 eliminates leukemia stem/progenitor cells in CML mice. Together, targeting USP47 is a promising strategy to overcome TKI resistance and eradicate leukemia stem/progenitor cells in CML.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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