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Tumour Cell Heterogeneity Instructs Fibroblast Diversity and Reciprocal Signalling

ABSTRACT: Tumour Cell Heterogeneity Instructs Fibroblast Diversity and Reciprocal Signalling

PROVIDER: PRJNA558886 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9908510_1.fastq.gz	Fastqsanger.gz
	SRR9908510_2.fastq.gz	Fastqsanger.gz
	SRR9908520_1.fastq.gz	Fastqsanger.gz
	SRR9908520_2.fastq.gz	Fastqsanger.gz
	SRR9908530_1.fastq.gz	Fastqsanger.gz

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Project description:We investigated changes to murine pancreatic fibroblast gene expression in response to co-culture with 8 murine pancreatic tumour cell sub-populations. Tumours are complex ecosystems where phenotypically diverse tumour cells are embedded in a heterocellular environment. Using an in vitro model of intra-tumoral heterogeneity, we show that clonal tumour cell populations establish distinct interactions with stromal fibroblasts to expand phenotypic diversity across tumour and stromal cell populations. Heterocellular interactions drive differential engagement of tumour cell reciprocal signalling pathways, resulting in normalisation of cell-autonomous differences in MAPK signalling but diversification of AKT signalling. Consequently, tumour cell clones display differential cell-autonomous and non-cell autonomous dependencies. These results demonstrate that tumour-stroma interactions amplify tumour cell autonomous diversity and that our existing perspective on tumour cell heterogeneity underestimates functional diversity.

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