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Mesenchymal stem/stromal cell engulfment reveals metastatic advantage in breast cancer

ABSTRACT: Mesenchymal stem/stromal cell engulfment reveals metastatic advantage in breast cancer

PROVIDER: PRJNA542295 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9040490.fastq.gz	Fastqsanger.gz
	SRR9040491.fastq.gz	Fastqsanger.gz
	SRR9040492.fastq.gz	Fastqsanger.gz
	SRR9040493.fastq.gz	Fastqsanger.gz
	SRR9040494.fastq.gz	Fastqsanger.gz

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Mesenchymal Stem/Stromal Cell Engulfment Reveals Metastatic Advantage in Breast Cancer.

Project description:Twenty percent of breast cancer (BC) patients develop distant metastasis for which there is no cure. Mesenchymal stem/stromal cells (MSCs) in the tumor microenvironment were shown to stimulate metastasis, but the mechanisms are unclear. Here, we identified and quantified cancer cells engulfing stromal cells in clinical samples of BC metastasis by dual immunostaining for EZH2 and ALDH1 expression. Using flow cytometry and a microfluidic single-cell paring and retrieval platform, we show that MSC engulfment capacity is associated with BC cell metastatic potential and generates cells with mesenchymal-like, invasion, and stem cell traits. Whole-transcriptome analyses of selectively retrieved engulfing BC cells identify a gene signature of MSC engulfment consisting of WNT5A, MSR1, ELMO1, IL1RL2, ZPLD1, and SIRPB1. These results delineate a mechanism by which MSCs in the tumor microenvironment promote metastasis and provide a microfluidic platform with the potential to predict BC metastasis in clinical samples.

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