What the study found
Fibroblasts from different tissue sites provide site-specific lipid cues that influence squamous cell carcinoma (SCC) proliferation and invasion. Oral and lung fibroblasts transfer different lipids to SCC cells, while dermal fibroblasts are described as lipid poor.
Why the authors say this matters
The authors conclude that these fibroblast lipid cues help explain why SCCs from different anatomic sites can have different prognoses, and they suggest that targeting fibroblast lipid synthesis or SCC lipid uptake or breakdown inhibits oral and lung epithelial cancer invasion.
What the researchers tested
The study examined fibroblasts from oral, lung, and skin (dermal) tissues and their interactions with SCC cells. It assessed fibroblast lipid metabolism, lipid transfer to SCC cells, epithelial-to-mesenchymal transition, invasion, and links to signaling pathways and survival.
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, triggering cholesterol synthesis and invasion, and this was associated with poor survival. In contrast, 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 extent to which these findings apply beyond the SCC types and tissue sites studied.
Key points
- Fibroblasts from different tissues provided different lipid cues to squamous cell carcinoma cells.
- Oral fibroblasts transferred sphingomyelins and promoted oral SCC invasion through the ceramide–sphingosine-1-phosphate–STAT3 pathway.
- Lung fibroblasts transferred triglycerides, triggered cholesterol synthesis, and were linked to lung SCC invasion and poor survival.
- Dermal fibroblasts were described as lipid poor, and cutaneous SCC was less invasive.
- The authors suggest targeting fibroblast lipid synthesis or SCC lipid handling could inhibit invasion.
Disclosure
- Research title:
- Fibroblast lipid cues shape squamous cell carcinoma 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:
- University of Liverpool, Cancer Research UK Manchester Institute, Edinburgh Cancer Research, Queen Mary University of London, Salford Royal Hospital, Bangor University, Aix-Marseille Université, Hôpital de la Timone, Royal Marsden NHS Foundation Trust, Institute of Cancer Research, National Institute for Health and Care Research, Evolutionary Genomics (United States), Genomics England, University College London, NIHR Manchester Biomedical Research Centre
- Publication date:
- 2026-04-27
- OpenAlex record:
- View
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