Project description:The goals of this study are to compare NGS-derived transcriptome profiling (RNA-seq) of tumor associated macrophages from WT MC38 tumors and Xkr8 KO tumors
Project description:The goals of this study are to compare NGS-derived transcriptome profiling (RNA-seq) of tumor associated macrophages from WT MC38 tumors and Tmem30a KO tumors; and NK cells from WT and Xkr8 KO MC38 TILs
Project description:MC38 tumors resistant to anti-PD-1 treatment (MC38-resistant) were generated through serial in vivo passaging, and global gene expression analysis was used to compare resistant and parental tumors. MC38 and MC38-resistant tumors exhibited widespread changes in global gene expression.
Project description:Purpose: Use RNA-seq to characterize the anti-tumor immune response induced by ALPN-202 and compare to that of anti-PD-L1 treatment alone. Methods: mRNA was isolated from MC38/hPD-L1 tumors 72 hours after a single dose of ALPN-202 (n=4), anti-PD-L1 mAb (durvalumab) (n=4), or Fc control (n=4). Results: ALPN-202 treatment resulted in elevated expression of multiple T cell, NK cell, myeloid cell genes. Additionally, there was a strong increase in genes commonly associated with a proinflammatory response including cytokines, chemokines and surface markers. Conclusions: ALPN-202 treatment resulted in a strong anti-tumor immune response that was more potent than that generated by blockade of PD-L1 alone.
Project description:We show that endothelial cells from MC38 tumors in WT mice express high chemokine Ccl8 than in Apelin knockout mice. We found that Apelin induces Ccl8 expression in ECs and enhances anti-tumor immunity.
Project description:We investigate the single-cell landscape of the inflammatory mouse tumor model MC38, a C57BL/6 tumor cell line derived from colon adenocarcinoma. MC38 (diluted in HBSS and matrigel) was inoculated in the right unilateral flank (in the border of positions B2 and B3) of C57BL/6 mice (ref Study 16-3384 AV). Tumors were taken one day after group-out (average 150-250 mm3 at day 0), approximately 14-19 days. Tissues were dissociated and flow sorted accordingly to obtain the following groups for 10x Chromium 5' Gene Expression Profiling. Our results indicate that the degree of clonal expansion is correlated with expression of T cell exhaustion markers, and that T cells with strong exhaustion phenotype also express high levels of activation markers, such as interferon gamma.
Project description:We report results of transcriptional profiling of ex vivo MC38 murine organotypic tumor spheroids following programmed death-1 (PD-1) blockade compared to isotype control IgG treatment by bulk and single-cell RNA-sequencing after 6 days of treatment. Additionally, we report results from single-cell RNA-sequencing of MC38 tumors treated in vivo with PD-1 blockade versus isotype control IgG to validate ex vivo workflow.