What the study found
The study found that fibroblasts, which are connective tissue cells, provide site-specific lipid cues that affect squamous cell carcinoma (SCC) growth and invasion. Oral and lung fibroblasts transfer different lipids to SCC cells, while dermal fibroblasts are described as lipid poor and associated with less invasive cutaneous SCC.
Why the authors say this matters
The authors conclude that these findings help explain why SCCs from different body sites can have different prognoses. They also suggest that targeting fibroblast lipid synthesis and SCC lipid uptake or breakdown could inhibit oral and lung epithelial cancer invasion.
What the researchers tested
The researchers examined how fibroblasts from oral, lung, and skin tissue affect SCC proliferation and invasion. They also looked at lipid metabolism, lipid transfer to cancer cells, and the signaling pathways linked to the changes they observed.
What worked and what didn't
Oral fibroblasts transferred sphingomyelins, which activated the ceramide-sphingosine-1-phosphate-STAT3 pathway and promoted oral SCC invasion. Lung fibroblasts transferred triglycerides to lung SCCs, which triggered cholesterol synthesis and invasion and was associated with poor survival; dermal fibroblasts were lipid poor and cutaneous SCC was less invasive.
What to keep in mind
The abstract does not describe detailed limitations or the size of the study. The findings are presented for squamous cell carcinomas and the specific tissue settings discussed in the abstract.
Key points
- Fibroblasts from different tissues transfer different lipids to squamous cell carcinoma cells.
- Oral fibroblasts transfer sphingomyelins and promote oral SCC invasion.
- Lung fibroblasts transfer triglycerides, which trigger cholesterol synthesis and invasion in lung SCCs.
- Dermal fibroblasts are described as lipid poor, and cutaneous SCC is less invasive.
- The authors suggest targeting fibroblast lipid synthesis or cancer-cell lipid handling could inhibit invasion.
Disclosure
- Research title:
- Fibroblast lipid cues drive site-specific epithelial cancer invasion
- Authors:
- Timothy Budden, Noah Palombo, Shilpa Gurung, Martha Gutteridge, Charlotte Russell, Jair Marques, Alex von Kriegsheim, Lijie An, C. Harwood, Luisa Motta, Claus Jorgensen, Carlos López‐García, Caroline Gaudy-Marqueste, Kevin Harrington, Malin Pedersen, Ben O’Leary, Antonio Rullan, Amaya Virós
- Institutions:
- Aix-Marseille Université, Bangor University, Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, Cancer Research UK Manchester Institute, Edinburgh Cancer Research, Edinburgh Cancer Research, Evolutionary Genomics (United States), Genomics England, Hôpital de la Timone, Institute of Cancer Research, Institute of Cancer Research, Institute of Cancer Research, National Institute for Health and Care Research, National Institute for Health and Care Research, National Institute for Health and Care Research, NIHR Manchester Biomedical Research Centre, Queen Mary University of London, Royal Marsden NHS Foundation Trust, Royal Marsden NHS Foundation Trust, Royal Marsden NHS Foundation Trust, Salford Royal Hospital, Salford Royal Hospital, University College London, University of Liverpool
- Publication date:
- 2026-04-27
- OpenAlex record:
- View
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