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RUNX1-Driven CPXM1 Transcription Promotes Malignant Phenotypes and EMT in Gastric Cancer Cells
Ping Jia1,2, Fengming Xu3, Tao Zhou1,4
1Taizhou Second People's Hospital Affiliated to Yangzhou University, Taizhou, PR China.
Cancer Science
|July 31, 2026
Summary
This study reveals that the glycoprotein CPXM1 promotes gastric cancer (GC) progression and metastasis. RUNX1 acts as an upstream regulator, activating CPXM1 expression and contributing to cancer malignancy.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Gastric cancer (GC) is a major global health concern with limited effective treatments.
- The role of glycoprotein CPXM1 in GC pathogenesis is not well understood.
- Current GC therapies include surgery, chemotherapy, and targeted treatments.
Purpose of the Study:
- To investigate the functional role and molecular mechanisms of CPXM1 in gastric cancer.
- To determine the relationship between CPXM1 expression and GC patient prognosis.
- To identify upstream regulators of CPXM1 in GC.
Main Methods:
- Analysis of CPXM1 expression in GC tissues.
- In vitro and in vivo functional assays to assess CPXM1's effect on GC cells.
- Investigation of CPXM1's role in epithelial-mesenchymal transition (EMT).
- Identification of RUNX1 as a transcriptional regulator of CPXM1.
Main Results:
- CPXM1 is significantly upregulated in GC tissues and correlates with poor prognosis.
- CPXM1 overexpression enhances GC cell proliferation, invasion, and metastasis.
- CPXM1 facilitates EMT, a key process in cancer progression.
- RUNX1 directly binds to the CPXM1 promoter, driving its transcription.
Conclusions:
- A novel RUNX1/CPXM1/EMT signaling axis drives gastric cancer progression.
- CPXM1 is a potential diagnostic biomarker for GC.
- CPXM1 represents a promising therapeutic target for gastric cancer treatment.
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