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KMT9 controls growth and stemness of colorectal cancer [single-cell RNA-seq]

ABSTRACT: KMT9 controls growth and stemness of colorectal cancer [single-cell RNA-seq]

PROVIDER: PRJNA632611 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11786418_1.fastq.gz	Fastqsanger.gz
	SRR11786418_2.fastq.gz	Fastqsanger.gz
	SRR11786419_1.fastq.gz	Fastqsanger.gz
	SRR11786419_2.fastq.gz	Fastqsanger.gz
	SRR11786420_1.fastq.gz	Fastqsanger.gz

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KMT9 is an actionable target in muscle-invasive bladder cancer

Project description:Novel treatment modalities are imperative for the challenging management of muscle-invasive and metastatic BC to improve patient survival rates. The recently identified lysine methyltransferase (KMT) 9, an obligate heterodimer composed of KMT9α and KMT9β, regulates the growth of various types of tumors such as prostate, lung and colon cancer. While overexpression of KMT9α was previously observed to be associated with aggressive basal-like MIBC in an analysis of patients’ tissue samples, a potential functional role of KMT9 in this type of cancer has not been investigated to date. In this study, we show that KMT9 regulates proliferation and migration of various MIBC cell lines with different genetic mutations. KMT9α depletion results in differential expression of genes involved in the regulation of the cell cycle, cell adhesion and migration. Reduced cell proliferation upon KMT9α depletion is also observed in Pten/Trp53 knockout bladder tumor organoids, which cannot be rescued with an enzymatically inactive KMT9α mutant. In accordance with the idea that the catalytic activity of KMT9 is required for the control of cellular processes in MIBC, a recently developed small molecule inhibitor of KMT9 (KMI169) also impairs cancer cell proliferation. Since KMT9α depletion also restricts the growth of xenografts in mice, our data suggest that KMT9 is an actionable novel therapeutic target for the treatment of MIBC.

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