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Homo sapiens

ABSTRACT: genomic sequencing of four newly established penile cancer cell lines

PROVIDER: PRJNA406840 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6027232_1.fastq.gz	Fastqsanger.gz
	SRR6027232_2.fastq.gz	Fastqsanger.gz
	SRR6027233_1.fastq.gz	Fastqsanger.gz
	SRR6027233_2.fastq.gz	Fastqsanger.gz
	SRR6027234_1.fastq.gz	Fastqsanger.gz

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Project description:Penile cancer (PeCa) is a relatively rare tumor entity but possesses higher morbidity and mortality rates especially in developing countries. To date, the concrete pathogenic signaling pathways and core machineries involved in tumorigenesis and progression of PeCa remain to be elucidated. Several studies suggested that miRNAs, which modulate gene expression at posttranscriptional level, were frequently mis-regulated and aberrantly expressed in human cancers. However, the miRNA profiles in human penile cancer have not been reported before. In this present study, the miRNA profiles were obtained from 10 fresh penile cancerous tissues and matched adjacent non-cancerous penile tissues via NGS. As a result, a total of 751 and 806 annotated miRNAs were identified in normal and cancerous penile tissues, respectively. Among which, 56 miRNAs with significantly different expression levels between paired penile tissues were identified. Subsequently, several annotated miRNAs were selected randomly and validated using quantitative real-time PCR. Compared with the previous publications regarding to the altered miRNAs expression in various types of cancers and especially genitourinary (prostate, bladder, kidney, testis) cancers, the most majority of deregulated miRNAs showed the similar expression pattern in penile cancer. Moreover, the bioinformatics analysis suggested that the putative target genes of the differentially expressed miRNAs were tightly associated with cell junction, proliferation, growth as well as genomic instability and so on, by modulating Wnt, MAPK, p53, PI3K-Akt, Notch, Hedgehog and TGF-β signaling pathways, which were all well-established to be involved in cancer initiation and progression. Our work presents a global view of the differentially expressed miRNAs and potentially regulatory networks of their target genes for clarifing the pathogenic transformation of normal penis to PeCa, which research resource also provides new insights into future investigations aimed to explore the in-depth mechanisms of miRNAs and other small RNAs including piRNAs in penile carcinogenesis regulation and effective target-specific theragnosis.

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Homo sapiens

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