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Piwi-interacting RNA sequencing of 2 paired clear cell renal cell carcinoma tissues and adjacent normal tissues

ABSTRACT: piwi-interacting RNA sequencing of 2 paired clear cell renal cell carcinoma tissues and adjacent normal tissues

PROVIDER: PRJNA761082 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15729292.fastq.gz	Fastqsanger.gz
	SRR15729293.fastq.gz	Fastqsanger.gz
	SRR15729294.fastq.gz	Fastqsanger.gz
	SRR15729295.fastq.gz	Fastqsanger.gz

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piwi-interacting RNA sequencing of 2 paired clear cell renal cell carcinoma tissues and adjacent normal tissues

Project description:Clear cell renal cell carcinoma is one of the most common diagnostic tumor, with nearly one third patients diagnosed as metastatic ccRCC. Although increasing number of studies have revealed that piwi-interacting RNAs were aberrantly expressed in diverse type of cancers, few of them explored the detailed molecular mechanism of piRNAs in carcinogenesis, particular in ccRCC. In this study, differentially expressed piRNAs associated with ccRCC was selected by using piRNA-sequencing combined with analyzing TCGA data, from which piR-57125 was identified. PiR-57125 was found remarkably downregulated in ccRCC samples. Functionally, knockdown of piR-57125 promoted migration and invasion of ccRCC, while overexpression of piR-57125 suppressed ccRCC metastasis. In vivo lung metastasis model also confirmed the same results. CCL3 was identified as the direct target of piR-57125 which could reverse the inhibition effect of piR-57125 in ccRCC metastasis. Further studies revealed that piR-57125 modulated ccRCC metastasis through AKT/ERK pathway. Those data indicate that piR-57125 restrains ccRCC metastasis through directly targeting CCL3 and inhibiting AKT/ERK pathway, and could be a potential therapeutic target for ccRCC.

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