期刊
CANCER SCIENCE
卷 109, 期 2, 页码 363-372出版社
WILEY
DOI: 10.1111/cas.13459
关键词
breast cancer; cyclin-dependent kinase 14; dual-specificity tyrosine-regulated kinase 2; invasion; proliferation
类别
资金
- JSPS KAKENHI [JP26290041, JP17H03584, JP26861056]
- Takeda Science Foundation
- Vehicle Racing Commemorative Foundation
- Research Grant of the Princess Takamatsu Cancer Research Fund
- Jikei University Research Fund for Graduate Students
- Grants-in-Aid for Scientific Research [17H03584] Funding Source: KAKEN
Tumor progression is the main cause of death in patients with breast cancer. Accumulating evidence suggests that dual-specificity tyrosine-regulated kinase 2 (DYRK2) functions as a tumor suppressor by regulating cell survival, differentiation, proliferation and apoptosis. However, little is known about the mechanisms of transcriptional regulation by DYRK2 in cancer progression, particularly with respect to cancer proliferation and invasion. Here, using a comprehensive expression profiling approach, we show that cyclin-dependent kinase 14 (CDK14) is a target of DYRK2. We found that reduced DYRK2 expression increases CDK14 expression, which promotes cancer cell proliferation and invasion invitro, in addition to tumorigenicity invivo. CDK14 and DYRK2 expression inversely correlated in human breast cancer tissues. We further identified androgen receptor (AR) as a candidate of DYRK2-dependent transcription factors regulating CDK14. Taken together, our findings suggest a mechanism by which DYRK2 controls CDK14 expression to regulate tumor cell proliferation and invasion in breast cancer. Targeting of this pathway may be a promising therapeutic strategy for treating breast cancer.
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