Journal: Oncoimmunology
Article Title: Group 2 innate lymphoid cells boost CD8 + T-cell activation in anti-tumor immune responses
doi: 10.1080/2162402X.2023.2243112
Figure Lengend Snippet: OVA-loaded ILC2s increased CD8 + T cells cytotoxicity and delayed antigen-specific tumor growth. (a) Schematic diagram of the experimental design. Activated ILC2s were loaded with OVA protein or MOG protein. The ratio of OT-I CD8 + T cells to tumor cells was 10:1. (b) Representative data for LDH release from B16F10-OVA cells after treatment with OT-I CD8 + T cells induced by ILC2s ( n = 3 independent wells). (c) Representative images of B16F10-OVA cells stained with crystal violet after co-culture with OT-I CD8 + T cells. Statistical analysis of the areas of living cells at the bottom of the plate was performed ( n = 3 views per well). Data are shown as the mean ± SEMs. The p value was determined using one-way ANOVA. *, p < 0.05; **, p < 0.01; ***, p < 0.001; ns, not significant. (d) B16F10-OVA(2 × 10 mixed with OVA loaded or not ILC2s (2 × 10 were inoculated subcutaneously until the maximum tumor reached ~1000 mm 3 . (e–f) Tumor growth curve and volume in different treatment groups ( n = 4–6 mice per group). Data are shown as the mean ± SEMs. The p value was determined using a two-way ANOVA. *, p < 0.05; **, p < 0.01; ***, p < 0.001; ns, not significant. (g–i) the percentages of CD8 + T cells and Treg cells and cell ratio in the tumors of ILC2- and OVA-loaded ILC2-treated mice and control mice ( n = 4–6 mice per group). Data are shown as the mean ± SEMs. The p value was determined by one-way ANOVA. *, p < 0.05; **, p < 0.01; ***, p < 0.001; ns, not significant.
Article Snippet: To obtain murine ILC2s, mouse lungs were prepared as described in Tissue Processing, and the suspension was enriched for ILC2s using EasySep TM Mouse ILC2 Enrichment Kit (STEMCELL Technologies) according to the manufacturer’s protocols.
Techniques: Staining, Co-Culture Assay, Control