ArticlePLoS genetics2025
Spatial colocalization and molecular crosstalk of myofibroblastic CAFs and tumor cells shape lymph node metastasis in oral squamous cell carcinoma.
Article in PLoS genetics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Cancer-associated fibroblasts in head and neck tumours: signalling networks and therapeutic implications with insights from vestibular schwannoma.Frontiers in cell and developmental biology · 2026Review
- The Spatiotemporal Heterogeneity of Tumor-Associated Stromal Cells: Reprogramming Plasticity to Unlock Precision Cancer Immunotherapy.Cancer communications (London, England) · 2026Review
- The Heterogeneity and Function of Stromal Cells in the Tumor Microenvironment.Research (Washington, D.C.) · 2026Review
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Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lymph node metastasis (LNM) is a critical prognostic factor for patients with oral squamous cell carcinoma (OSCC). Previous research has implicated the partial epithelial-to-mesenchymal transition of tumor cells and myofibroblastic cancer-associated fibroblasts (myCAFs) in the LNM process. However, the underlying molecular mechanisms remain poorly understood. Here, we conducted a comprehensive molecular analysis integrating original and publicly available OSCC data from bulk genome and transcriptome, single-cell transcriptome, and spatial transcriptome analyses. We found that myCAFs were quantitatively and functionally activated in LNM-positive samples and spatially colocalized with OSCC cells within the invasive tumor front (ITF), providing a niche that may facilitate LNM. Immunohistochemical validation in 90 ITF samples confirmed significantly higher myCAF density in LNM-positive samples than in LNM-negative samples, and this density remained an independent predictor of LNM when adjusted for pathological grade and the pattern of invasion. In LNM-positive samples, myCAFs provided increased extracellular matrix (ECM) signals, upregulating stemness-related genes such as CD44 in OSCC cells. The functional importance of this myCAF-driven ECM-CD44 axis was further supported by our validation analysis of expanded, publicly available spatial transcriptome and experimental in vitro coculture data. We also extracted a spatially resolved, 23-gene signature from the metastatic ITF where OSCC and myCAFs colocalize. This signature predicted LNM status and poor overall survival in patients with OSCC. Our findings provide novel insight into the molecular myCAF/OSCC crosstalk that facilitates LNM and identify potential prognostic biomarkers and therapeutic targets for patients with OSCC.
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