Journal: Cancer Immunology, Immunotherapy : CII
Article Title: Cancer-associated fibroblasts promote pro-tumor functions of neutrophils in pancreatic cancer via IL-8: potential suppression by pirfenidone
doi: 10.1007/s00262-025-03946-z
Figure Lengend Snippet: iCAFs increase the migratory ability of neutrophils, activating them, and prolonging their life span. A WI38 cells were cultured in cancer CM for 4 days to produce CAFs. B α SMA and IL-8 are representative markers of myCAF and iCAF, respectively. Left: α SMA expression within CAFs induced by MIA PaCa-2-CM was lower than TGF-β-treated CAFs and non-treated control WI38 cells. Right: IL-8 expression within MIA PaCa-2-CM-induced CAFs was higher than in non-treated WI38 cells. C Migration assay of neutrophils. Image taken at 100 × magnification and the number of migrated cells per field was counted. Neutrophil migration was significantly increased in the CAF-CM group compared to the FBS-treated positive control. Mean ± SD is shown. Each dot represents the number of cells per field (× 100). One-way ANOVA with Tukey’s test was used. ***, P = 0.0004. D Compared to non-stimulated neutrophils, those treated with CAF-CM for 24 h showed increased intracellular IL-8. E. Comparing the area of living neutrophils in 9 random fields of view after 24 h, CAF-CM-stimulated neutrophils had a significantly larger area. Student’s t-test was used. ****, P < 0.0001
Article Snippet: The human fibroblast cell line WI38 was obtained from the Japanese Collection of Research Bioresources.
Techniques: Cell Culture, Expressing, Control, Migration, Positive Control