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

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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)

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.

Suggested Citation

  • Houbao Qi & Haiting Gao & Meihui Li & Tianyong Sun & Xiufeng Gu & Li Wei & Mengfan Zhi & Zixuan Li & Dachuan Fu & Yiran Liu & Ziyi Wei & Yu Dou & Qiang Feng, 2025. "Parvimonas micra promotes oral squamous cell carcinoma metastasis through TmpC-CKAP4 axis," Nature Communications, Nature, vol. 16(1), pages 1-19, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-57530-1
    DOI: 10.1038/s41467-025-57530-1
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