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Updated: Feb 14, 2026
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Culture of Bladder Cancer Organoids as Precision Medicine Tools
Published on: December 28, 2021
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SAPCD2 Drives Bladder Cancer Progression by Stabilizing TANK and Engaging a CREB-PLAGL2 Feedback Loop to Sustain MAPK
Yueqiang Peng1, Hai Wang1, Hualin Chen2
1Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing 100730, China.
Cancers
|February 13, 2026
Summary
SAPCD2 drives bladder cancer (BCa) progression by activating the MAPK pathway and creating a feedback loop. Targeting SAPCD2 offers a potential new therapy for aggressive BCa.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Bladder cancer (BCa) is a common and aggressive malignancy with high recurrence and metastasis rates.
- Prognosis for advanced BCa remains poor despite treatment advancements.
- SAPCD2's role in BCa progression and therapeutic potential requires investigation.
Purpose of the Study:
- Investigate the role of SAPCD2 in bladder cancer progression.
- Evaluate SAPCD2 as a potential therapeutic target for BCa.
- Elucidate the molecular mechanisms underlying SAPCD2's function in BCa.
Main Methods:
- In vitro and in vivo experiments to assess SAPCD2 expression and function.
- Analysis of SAPCD2 expression correlation with BCa clinicopathological features.
- Functional assays (proliferation, migration, invasion, metastasis) and mechanistic studies (MAPK pathway, TANK stabilization, PLAGL2-CREB feedback loop).
Main Results:
- SAPCD2 is upregulated in BCa tissues, correlating with advanced features and poor prognosis.
- SAPCD2 overexpression promotes BCa cell proliferation, migration, invasion, and metastasis.
- SAPCD2 activates MAPK signaling via TANK stabilization and enhances PLAGL2-CREB feedback loop.
Conclusions:
- SAPCD2 is a critical driver of BCa malignancy.
- The SAPCD2-TANK-MAPK axis and PLAGL2-SAPCD2-CREB feedback loop sustain oncogenic signaling in BCa.
- Targeting SAPCD2 pathway may provide novel therapeutic strategies for aggressive BCa.
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