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N4-Acetylcytidine-Mediated CD2BP2-DT Drives YBX1 Phase Separation to Stabilize CDK1 and Promote Breast Cancer
Hongyu Wang1, Bozhi Zhao1, Jiayu Zhang1
1Department of General Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China.
A novel long noncoding RNA (lncRNA), CD2BP2-DT, drives breast cancer cell proliferation. This lncRNA enhances CDK1 mRNA stability, offering potential as a biomarker and therapeutic target.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Long noncoding RNAs (lncRNAs) are implicated in breast cancer development.
- The precise roles and mechanisms of many lncRNAs in breast cancer are not fully elucidated.
Purpose of the Study:
- To identify and characterize novel lncRNAs involved in breast cancer progression.
- To investigate the functional role and molecular mechanisms of CD2BP2-DT in breast cancer.
Main Methods:
- Bioinformatics analysis to identify differentially expressed lncRNAs.
- In vivo and in vitro experiments to assess CD2BP2-DT function in breast cancer cells.
- RNA immunoprecipitation and Western blot assays to explore molecular mechanisms.
Main Results:
- CD2BP2-DT is overexpressed in breast cancer and associated with poor prognosis.
- CD2BP2-DT promotes breast cancer cell proliferation.
- NAT10-mediated ac4C modification enhances CD2BP2-DT stability and expression.
- CD2BP2-DT stabilizes CDK1 mRNA via YBX1 phase separation, driving proliferation.
Conclusions:
- The lncRNA CD2BP2-DT acts as a critical oncogene in breast cancer.
- CD2BP2-DT promotes proliferation through the YBX1/CDK1 pathway.
- CD2BP2-DT represents a potential therapeutic target and biomarker for breast cancer.
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