The effect of Gö6976 on chronic myeloid leukemia in vitro and in vivo.

Objectives: Chronic myeloid leukemia (CML) is a malignant tumor of the blood system. Gö6976, as a type of indolocarbazole and shows strong antitumor effects, but there have been no reports on the effect of Gö6976 on CML. The objectives of this research were: (1) to explore the impact of Gö6976 on CML in vitro and in vivo; and (2) to explore the drug toxicity of Gö6976 to normal cells and animals.Methods:K562 cells and CML mice were used to explore the effect of Gö6976 on CML. Peripheral blood mononuclear cells (PBMCs), CD34+ cells, and healthy mice were used to explore the drug toxicity of Gö6976.Results: Cell experiments showed that Gö6976 could inhibit the proliferation of K562 cells and enhance the inhibitory effects of imatinib at 5 μM and 10 μM, but it had little effect on CD34+ cells or PBMCs at concentrations less than 5 μM. Animal experiments showed that 2.5 mg/kg Gö6976 could effectively inhibit the development of CML in mice, and it had almost no effects on healthy mice at 2.5 mg/kg and 10 mg/kg.Discussion: Because of the direct inhibitory effect of Gö6976 on CML and its pharmacological enhancement effect on imatinib, it is foreseeable that Gö6976 could become a new type of anti-CML medicine. And the further research is needed.Conclusion: Our findings verified that Gö6976 could effectively inhibit CML in vitro and in vivo, and it is almost nontoxic to hematopoietic cells, immune cells, and healthy mice.

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Zhen-Rui Cao, Xiao-Peng Chen, Min Feng, Yun-Long Hou, Yan Li, Xiao-Lei Hu, Zheng-Lan Huang, Jing Hu. The effect of Gö6976 on chronic myeloid leukemia in vitro and in vivo. Hematology (Amsterdam, Netherlands). 2021 Dec;26(1):543-551

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PMID: 34348586

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