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. 2023 Feb 24;30(5):1155–1165. doi: 10.1038/s41418-023-01126-z

Fig. 5. IL-6 or LIF do not alter tumor organoid morphology or induce EMT.

Fig. 5

A Schematic representation of the treatment of murine organoids seeded as single cells with recombinant IL-6 or LIF and timing of quantification of the morphology and gene expression signatures. B Representative brightfield images of YFP + EpCAM + (E+; N = 6), YFP + EpCAM- (E-) and YFP + secondary (Met; N = 12) tumor organoids on day 3 post treatment (POST) with the indicated cytokine. Organoids are grouped as glandular (G) and solid (S) morphologies pre-treatment (PRE). Scale bar = 300 μm. C Quantification of the tumor organoid morphology 3 days post treatment with the indicated cytokine. YFP + EpCAM + (E + , N = 6), YFP + EpCAM- (E-, N = 12 primary and secondary). Glandular (green), solid (red) and branching (blue). Data is presented + /− SEM. Results are not significant, Chi-square test. D mRNA expression levels of S100 family proteins, S100a4 and S100a14, in YFP + EpCAM + (E+), YFP + EpCAM- (E-) primary tumor organoids and YFP + secondary tumor organoids following the addition of the indicated cytokine (IL-6, brown; LIF, red). Each dot represents an individual organoid. Organoids are grouped as glandular (G) and solid (S) morphologies. Data includes 3 biological replicates and is presented as log10 fold change relative to the vehicle (white) control, mean + /− SEM. paired t-test.