Journal
EMBO MOLECULAR MEDICINE
Volume 12, Issue 1, Pages -Publisher
WILEY
DOI: 10.15252/emmm.201910880
Keywords
bladder cancer; CDK1; embryonic stem cell; pluripotency; stemness features
Categories
Funding
- Basic Science Research Program through the National Research Foundation of Korea [NRF-2018R1A2B2001392]
- NRF MRC grant - Korean government (MSIP) [2018R1A5A2020732]
- Korean Health Technology R&D Project, Ministry of Health & Welfare, Republic of Korea [HI18C2391]
- Ministry of Education [2018R1D1A1B07047450, 2017R1D1A1B03031379]
- National Research Foundation of Korea [2017R1D1A1B03031379, 2018R1A5A2020732] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Molecular programs involved in embryogenesis are frequently upregulated in oncogenic dedifferentiation and metastasis. However, their precise roles and regulatory mechanisms remain elusive. Here, we showed that CDK1 phosphorylation of TFCP2L1, a pluripotency-associated transcription factor, orchestrated pluripotency and cell-cycling in embryonic stem cells (ESCs) and was aberrantly activated in aggressive bladder cancers (BCs). In murine ESCs, the protein interactome and transcription targets of Tfcp2l1 indicated its involvement in cell cycle regulation. Tfcp2l1 was phosphorylated at Thr177 by Cdk1, which affected ESC cell cycle progression, pluripotency, and differentiation. The CDK1-TFCP2L1 pathway was activated in human BC cells, stimulating their proliferation, self-renewal, and invasion. Lack of TFCP2L1 phosphorylation impaired the tumorigenic potency of BC cells in a xenograft model. In patients with BC, high co-expression of TFCP2L1 and CDK1 was associated with unfavorable clinical characteristics including tumor grade, lymphovascular and muscularis propria invasion, and distant metastasis and was an independent prognostic factor for cancer-specific survival. These findings demonstrate the molecular and clinical significance of CDK1-mediated TFCP2L1 phosphorylation in stem cell pluripotency and in the tumorigenic stemness features associated with BC progression.
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