The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon
Abstract Background The protein cereblon (CRBN) mediates the antileukemia effect of lenalidomide (Len). Len binds to CRBN, recruits IKZF1/IKZF3, and promotes their ubiquitination and degradation, through which Len exhibits its antileukemia and antimyeloma activity. Therefore, the protein level of CR...
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2025-01-01
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| Series: | Cellular & Molecular Biology Letters |
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| Online Access: | https://doi.org/10.1186/s11658-025-00697-8 |
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| author | Lu Zou Dan Cao Qing Sun Wenjun Yu Bingzong Li Guoqiang Xu Liang Zhou |
| author_facet | Lu Zou Dan Cao Qing Sun Wenjun Yu Bingzong Li Guoqiang Xu Liang Zhou |
| author_sort | Lu Zou |
| collection | DOAJ |
| description | Abstract Background The protein cereblon (CRBN) mediates the antileukemia effect of lenalidomide (Len). Len binds to CRBN, recruits IKZF1/IKZF3, and promotes their ubiquitination and degradation, through which Len exhibits its antileukemia and antimyeloma activity. Therefore, the protein level of CRBN might affect the antiproliferative effect of Len. In this study, we explored the interactome for CRBN using proximity labeling technique TurboID and quantitative proteomics, and then investigated the antileukemia effect of Len. Methods The primary acute myeloid leukemia (AML) cells and AML cell lines were used to explore the functions of histone demethylase KDM5C on the antileukemia effect of Len. The cell viability and CRBN protein levels were evaluated in these cell lines. In addition, the KDM5C inhibitors were used to determine the effects of KDM5C enzymatic activity on the viability of AML cell lines. Results We identified that histone demethylase KDM5C was a CRBN-interacting protein. Biochemical experiments found that the CRBN-interacting protein KDM5C could stabilize CRBN and enhance the antileukemia effect of Len in an enzyme activity-independent manner. Furthermore, our studies revealed that the small-molecule compound MLN4924 could increase CRBN by elevating KDM5C.The combination of MLN4924 and Len can further increase the sensitivity of primary AML cells and AML cell lines to Len. Conclusions This study provides a possible strategy for a combination treatment with MLN4924 and Len for leukemia. |
| format | Article |
| id | doaj-art-58116c5f23aa44e6887f1b61a013372f |
| institution | Kabale University |
| issn | 1689-1392 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | BMC |
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| series | Cellular & Molecular Biology Letters |
| spelling | doaj-art-58116c5f23aa44e6887f1b61a013372f2025-02-02T12:33:40ZengBMCCellular & Molecular Biology Letters1689-13922025-01-0130111310.1186/s11658-025-00697-8The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblonLu Zou0Dan Cao1Qing Sun2Wenjun Yu3Bingzong Li4Guoqiang Xu5Liang Zhou6Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow UniversityJiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow UniversityJiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow UniversityJiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow UniversityDepartment of Hematology, The Second Affiliated Hospital of Soochow UniversityJiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow UniversityJiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Suzhou Key Laboratory of Drug Research for Prevention and Treatment of Hyperlipidemic Diseases, Soochow UniversityAbstract Background The protein cereblon (CRBN) mediates the antileukemia effect of lenalidomide (Len). Len binds to CRBN, recruits IKZF1/IKZF3, and promotes their ubiquitination and degradation, through which Len exhibits its antileukemia and antimyeloma activity. Therefore, the protein level of CRBN might affect the antiproliferative effect of Len. In this study, we explored the interactome for CRBN using proximity labeling technique TurboID and quantitative proteomics, and then investigated the antileukemia effect of Len. Methods The primary acute myeloid leukemia (AML) cells and AML cell lines were used to explore the functions of histone demethylase KDM5C on the antileukemia effect of Len. The cell viability and CRBN protein levels were evaluated in these cell lines. In addition, the KDM5C inhibitors were used to determine the effects of KDM5C enzymatic activity on the viability of AML cell lines. Results We identified that histone demethylase KDM5C was a CRBN-interacting protein. Biochemical experiments found that the CRBN-interacting protein KDM5C could stabilize CRBN and enhance the antileukemia effect of Len in an enzyme activity-independent manner. Furthermore, our studies revealed that the small-molecule compound MLN4924 could increase CRBN by elevating KDM5C.The combination of MLN4924 and Len can further increase the sensitivity of primary AML cells and AML cell lines to Len. Conclusions This study provides a possible strategy for a combination treatment with MLN4924 and Len for leukemia.https://doi.org/10.1186/s11658-025-00697-8Cereblon (CRBN)KDM5CLeukemiaLenalidomideCell viability |
| spellingShingle | Lu Zou Dan Cao Qing Sun Wenjun Yu Bingzong Li Guoqiang Xu Liang Zhou The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon Cellular & Molecular Biology Letters Cereblon (CRBN) KDM5C Leukemia Lenalidomide Cell viability |
| title | The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon |
| title_full | The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon |
| title_fullStr | The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon |
| title_full_unstemmed | The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon |
| title_short | The histone demethylase KDM5C enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon |
| title_sort | histone demethylase kdm5c enhances the sensitivity of acute myeloid leukemia cells to lenalidomide by stabilizing cereblon |
| topic | Cereblon (CRBN) KDM5C Leukemia Lenalidomide Cell viability |
| url | https://doi.org/10.1186/s11658-025-00697-8 |
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