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FSCN1 promotes esophageal carcinoma progression through downregulating PTK6 via its RNA-binding protein effect

ABSTRACT: FSCN1 promotes esophageal carcinoma progression through downregulating PTK6 via its RNA-binding protein effect

PROVIDER: PRJNA811228 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18172664_1.fastq.gz	Fastqsanger.gz
	SRR18172664_2.fastq.gz	Fastqsanger.gz
	SRR18172665_1.fastq.gz	Fastqsanger.gz
	SRR18172665_2.fastq.gz	Fastqsanger.gz
	SRR18172666_1.fastq.gz	Fastqsanger.gz

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FSCN1 promotes esophageal carcinoma progression through downregulating PTK6 via its RNA-binding protein effect

Project description:To explore the downstream molecules of FSCN1, shRNA targeting FSCN1 was designed and transfected into the ESCC cell line, ECA-109. Whole-genome expression profiling was performed to screen for related molecules. To investigate the RNA binding property of FSCN1 in ESCC, RNA immunoprecipitation (RIP) was performed using an FSCN1 monoclonal antibody in ECA-109 cell lysate, and the associated RNA was analyzed by RNA-seq.

2022-03-05 | GSE197624 | GEO

Proteomic Analysis of FSCN1-Interacting Proteins in LSCC cells

Project description:Fascin actin-bundling protein 1 (FSCN1) is an evolutionarily conserved actin-bundling protein that plays a critical role in cell migration, motility, adhesion and cellular interactions. Although multiple clinical studies have implicated the expression of FSCN1 in laryngeal squamous cell carcinoma (LSCC) progression, the precise mechanism of FSCN1 in the process has not been clearly elucidated. To define FSCN1 function, we characterized FSCN1-interacting proteins in LSCC cells by immunoprecipitation followed by LC-MS/MS. After data filtering, 119 proteins with expression in both the Hep-2 and TU-177 cell samples were identified as FSCN1-interacting partners. With in-depth bioinformatics analysis, we linked FSCN1 to critical cellular processes including cell adhesion, glycolysis/gluconeogenesis, regulation of protein ubiquitination, ribosomal RNA processing and small molecule metabolism. We discuss the interactions between FSCN1 and some of the newly validated partners. The identification of these potential partners of FSCN1 expands our knowledge of the FSCN1 interactome and provides a valuable resource for understanding the functions of this protein in LSCC progression.

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RBM4 regulates esophageal cancer progression

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the RNA binding property of FSCN1

Project description:To investigate the RNA binding property of FSCN1 in ESCC, RNA immunoprecipitation (RIP) was performed using an FSCN1 monoclonal antibody in ECA-109 cell lysate

2022-03-05 | GSE197621 | GEO

Screening of differentially expressed genes in LSCC cells knocking down FSCN1

Project description:Laryngeal squamous cell carcinoma (LSCC) is a common malignant tumor with a poor prognosis. Fascin actin-bundling protein 1 (FSCN1) has been reported to play a crucial role in LSCC development and progression, but the underlying molecular mechanisms remain unknown. Here, a whole transcriptome microarray analysis was performed to screen for differentially expressed genes in FSCN1 knockdown cells. We identified 1063 differentially expressed mRNA transcripts. Functional annotation revealed that these differentially expressed genes (DEGs) were involved in multiple biological functions such as transcriptional regulation, response to radiation, focal adhesion, ECM-receptor interaction, steroid biosynthesis, and others. Through co-expression and protein-protein interaction analysis, we linked FSCN1 to novel functions, including defense response to virus and steroid biosynthesis.

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CircJPH1 promote the malignant progression of esophageal squamous cell carcinoma

Project description:CircJPH1 promote the malignant progression of esophageal squamous cell carcinoma

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RNA Sequencing Analysis Generates Comprehensive Transcriptomic Landscape and Identifies PTK6 as a Novel Tumor Suppressor Gene in Esophageal Squamous Cell Carcinoma

Project description:We performed the integrative transcriptome analysis of human esophageal squamous cell carcinoma (ESCC) using Illumina high-throughput sequencing. A total of 187 million 38bp sequencing reads were generated containing 7 billion bases for three pairs of matched patient-derived ESCC clinical specimens and their adjacent non-tumorous tissues. By investigating the digital gene expression profiling, we found 1425 genes significantly differentially expressed and detected more than 9000 SNPs across all six samples. We also identified protein tyrosine kinase 6 (PTK6) as a novel tumor suppressor gene, which is critical in ESCC development. Analysis of whole transcriptome from 3 paired patient-derived ESCC clinical specimens and their adjacent non-tumorous tissues.

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LncRNA LOC146880 promotes esophageal squamous cell carcinoma progression via miR-328-5p/FSCN1/MAPK axis.

Project description:We investigated the role of long non-coding RNA (lncRNA) LOC146880 in esophageal squamous cell carcinoma (ESCC). LOC146880 was significantly upregulated in ESCC tissues (n = 21) and cell lines compared to the corresponding controls. Higher LOC146880 expression correlated with poorer overall survival (OS) of ESCC patients. Moreover, CREB-binding protein (CBP) and H3K27 acetylation levels were significantly higher in the LOC146880 promoter in ESCC cell lines than in the controls. LOC146880 silencing inhibited in vitro proliferation, invasion, migration, and epithelial-mesenchymal transition of ESCC cells. LOC146880 silencing also induced G1-phase cell cycle arrest and apoptosis in ESCC cells. Bioinformatics analysis, dual luciferase reporter assays, and RNA immunoprecipitation assays showed that LOC146880 regulates FSCN1 expression in ESCC cells by sponging miR-328-5p. Moreover, FSCN1 expression correlated with activation of the MAPK signaling pathway in ESCC cells and tissues. In vivo xenograft tumor volume and liver metastasis were significantly reduced in nude mice injected with LOC146880-silenced ESCC cells as compared to those injected with control shRNA-transfected ESCC cells. These findings show that the LOC146880/miR-328-5p/FSCN1/MAPK axis regulates ESCC progression in vitro and in vivo. LOC146880 is thus a promising prognostic biomarker and potential therapeutic target in ESCC.

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LYAR promotes colorectal cancer progression by up-regulating FSCN1 expression and fatty acid metabolism

Project description:Colorectal cancer (CRC) is a highly malignant tumor associated with poor prognosis, yet the molecular mechanisms are not fully understood. In this study, we showed that LYAR, a nucleolar protein, expresses at a higher level in CRC than adjacent normal tissue and LYAR expression is closely associated with distant CRC metastasis. LYAR not only significantly promotes the migration and invasion of CRC cells in vitro, also the knockdown (KD) of LYAR in CRC cells inhibits xenograft tumor metastasis in vivo. Microarray analysis of LYAR KD cells combined with ChIP assay, gene reporter assay and rescue experiment indicate that FSCN1 (encoding fascin actin-bundling protein 1, Fascin-1) serves as a new key regulator of the LYAR-promoted migration and invasion of CRC cells. Knockdown of FSCN1 significantly inhibits subcutaneous tumorigenesis of CRC cells, and leads to the down-regulation of FASN and SCD, genes encoding key enzymes in fatty acid synthesis. In summary, this study reveals a novel mechanism by which LYAR promotes tumor cell migration and invasion by up-regulating FSCN1 expression and affecting fatty acid metabolism in CRC.

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Isoform switching events in esophageal adenocarcinoma progression

Project description:Isoform switching events in esophageal adenocarcinoma progression

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