The key pathogenesis of chronic myeloid leukemia(CML)is the formation of BCR-ABL fusion gene,encoding a 210 kDa Bcr-Abl tyrosine kinase,which is crucial for the occurrence and development of CML.Imatinib(IM)is the fir...The key pathogenesis of chronic myeloid leukemia(CML)is the formation of BCR-ABL fusion gene,encoding a 210 kDa Bcr-Abl tyrosine kinase,which is crucial for the occurrence and development of CML.Imatinib(IM)is the first targeted anticancer drug approved by FDA for the treatment of CML;however,some patients,especially those in accelerated phase and blastic phase,develop primary or secondary drug resistance to IM.Particularly,the most challenging resistance is caused by T315I mutation of Bcr-Abl,which represents approximately 15%–20%of all acquired mutations and renders cell resistant to a variety of tyrosine kinase inhibitors.1,2 Thus,there is an urgent need to develop novel strategies to overcome Bcr-Abl T315I-meidated IM resistance.展开更多
基金This work was supported by NSFC,China(No.82170177/H0809,and 81670154/H0812)Projects(No.2020KTSCX10,and 2021A1515011334)from the Foundation of Innovation Projects of General Colleges and Universities in Guangdong Province and GD-NSF,China,KeyDiscipline of Guangzhou Education Bureau(Basic Medicine)(No.201851839),Chinathe project(No.202201010811)from the Foundation of Guangzhou Science and Technology Innovation Committee,China to XS.
文摘The key pathogenesis of chronic myeloid leukemia(CML)is the formation of BCR-ABL fusion gene,encoding a 210 kDa Bcr-Abl tyrosine kinase,which is crucial for the occurrence and development of CML.Imatinib(IM)is the first targeted anticancer drug approved by FDA for the treatment of CML;however,some patients,especially those in accelerated phase and blastic phase,develop primary or secondary drug resistance to IM.Particularly,the most challenging resistance is caused by T315I mutation of Bcr-Abl,which represents approximately 15%–20%of all acquired mutations and renders cell resistant to a variety of tyrosine kinase inhibitors.1,2 Thus,there is an urgent need to develop novel strategies to overcome Bcr-Abl T315I-meidated IM resistance.