A novel coumarin derivative DBH2 inhibits proliferation and induces apoptosis of chronic myeloid leukemia cells[J]. Genes & Diseases, 2023,10(2).
Jiajia Xin, Huijie Zhang, Dandan Yin, et al. A novel coumarin derivative DBH2 inhibits proliferation and induces apoptosis of chronic myeloid leukemia cells[J]. Genes & Diseases, 2023,10(2).
A novel coumarin derivative DBH2 inhibits proliferation and induces apoptosis of chronic myeloid leukemia cells[J]. Genes & Diseases, 2023,10(2). DOI: 10.1016/j.gendis.2022.08.021.
Jiajia Xin, Huijie Zhang, Dandan Yin, et al. A novel coumarin derivative DBH2 inhibits proliferation and induces apoptosis of chronic myeloid leukemia cells[J]. Genes & Diseases, 2023,10(2). DOI: 10.1016/j.gendis.2022.08.021.
A novel coumarin derivative DBH2 inhibits proliferation and induces apoptosis of chronic myeloid leukemia cells
摘要
Abstract
With the development of tyrosine kinase inhibitor (TKI) resistance
finding the novel effective chemotherapeutic agent is of seminal importance for chronic myelogenous leukemia (CML) treatment. This study aims to find the effective anti-leukemic candidates and investigate the possible underlying mechanism. We synthesized the novel coumarin derivatives and evaluated their anti-leukemic activity. Cell viability assay revealed that compound DBH2 exhibited the potent inhibitory activity on the proliferation of CML K562 cells and TKI resistant K562 cells. Morphological observation and flow cytometry confirmed that DBH2 could selectively induce cell apoptosis and cell cycle arrest at G2/M phase of the K562 cells
which was further confirmed on the bone marrow cells from CML transgenic model mice and CD34
+
bone marrow leukemic cells from CML patients. Treatments of DBH2 in combination with imatinib could prolong the survival rate of SCL-tTA-BCR/ABL transgenic model mice significantly. Quantitative RT-PCR revealed that DBH2 inhibited the expression of STAT3 and STAT5 in K562 cells
and
caspase-3
knockout alleviated the DBH2 induced apoptosis. Furthermore
DBH2 could induce the expression of PARP1 and ROCK1 in K562 cells
which may play the important role in caspase-dependent apoptosis. Our results concluded that coumarin derivative DBH2 serves as a promising candidate for the CML treatment
especially in the combination with imatinib for the TKI resistant CML
and STAT/caspase-3 pathway was involved in the molecular mechanism of anti-leukemic activity of DBH2.
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相关作者
Fangyi Yao
Fangmin Zhong
Junyao Jiang
Ying Cheng
Shuai Xu
Jing Liu
Jin Lin
Jing Zhang
相关机构
Jiangxi Province Key Laboratory of Laboratory Medicine, Jiangxi Provincial Clinical Research Center for Laboratory Medicine, Department of Clinical Laboratory, The Second Affiliated Hospital of Nanchang University
Institute of Translational Pharmacology and Clinical Application, Sichuan Academy of Chinese Medical Science
School of Pharmacy, Chengdu University of Traditional Chinese Medicine
School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine