Parvimonas micra promotes oral squamous cell carcinoma metastasis through TmpC-CKAP4 axis

Houbao Qi, Haiting Gao, Meihui Li, Tianyong Sun, Xiufeng Gu, Li Wei, Mengfan Zhi, Zixuan Li, Dachuan Fu, Yiran Liu, Ziyi Wei, Yu Dou and Qiang Feng ()
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Houbao Qi: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Haiting Gao: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Meihui Li: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Tianyong Sun: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Xiufeng Gu: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Li Wei: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Mengfan Zhi: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Zixuan Li: Nanjing University
Dachuan Fu: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Yiran Liu: Shandong University
Ziyi Wei: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Yu Dou: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases
Qiang Feng: Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases

Nature Communications, 2025, vol. 16, issue 1, 1-19

Abstract: Abstract Parvimonas micra (P. micra), an opportunistic oral pathogen associated with multiple cancers, has limited research on its role in oral squamous cell carcinoma (OSCC). This study shows that P. micra is enriched in OSCC tissues and positively correlated with tumor metastasis and stages. P. micra infection promotes OSCC metastasis by inducing hypoxia/HIF-1α, glycolysis, and autophagy. Mechanistically, P. micra surface protein TmpC binds to CKAP4, a receptor overexpressed in OSCC, facilitating bacterial attachment and invasion. This interaction activates HIF-1α and autophagy via CKAP4-RanBP2 and CKAP4-NBR1 pathways, driving metastasis. Targeting CKAP4 with masitinib or antibodies impairs P. micra attachment and abolishes P. micra-promoted OSCC metastasis in vitro and in vivo. Together, our findings identify P. micra as a pathogen that promotes OSCC metastasis and highlight that TmpC-CKAP4 interaction could be a potential therapeutic target for OSCC.

Date: 2025
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DOI: 10.1038/s41467-025-57530-1

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