Wednesday, May 29, 2019

Human Pancreatic CAFS and Tumor Dynamics

 Extracellular Matrix (ECM) Matters
Our Human Pancreatic Cancer Fibroblasts were recently featured in a publication focusing on the role of the ECM on tumor dynamics. Andreas Stylianou, Vasiliki Gkretsi, Maria Louca, Lefteris C. Zacharia, and Triantafyllos Stylianopoulos (2019). Collagen content and extracellular matrix cause cytoskeletal remodelling in pancreatic fibroblasts. J. R. Soc. Interface 16: 20190226. http://dx.doi.org/10.1098/rsif.2019.0226.

Commercially available pancreatic native human FBs and,CAFs (cat. nos. SC00A5 and CAF08, respectively, Neuromics) were cultured in MSC-GRO (VitroPlus III, low serum, complete,
cat. no. SC00B1, Neuromics) medium in a 5% CO2-incubator at 37OC.


Figure: Representative CAFs spheroids embedded in collagen gels at time 0 and at 6 h post implantation, respectively.

The results demonstrated that collagen concentration and consequently ECM stiffening differentially modulates FBs and CAFs cytoskeleton remodelling and invasion with stress fibre orientation being significantly altered in FBs. Finally, the presence of TGF-b reverses the suppressive effect of collagen stiffness on cell invasion.

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