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Homo sapiens

ABSTRACT: Identification of RNF213 as a potential suppressor of local invasion in intrahepatic cholangiocarcinoma

PROVIDER: PRJNA985418 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25019518.fastq.gz	Fastqsanger.gz
	SRR25019519.fastq.gz	Fastqsanger.gz
	SRR25019520.fastq.gz	Fastqsanger.gz
	SRR25019521.fastq.gz	Fastqsanger.gz
	SRR25019522.fastq.gz	Fastqsanger.gz

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Identification of RNF213 as a potential suppressor of local invasion in intrahepatic cholangiocarcinoma

Project description:Identification of RNF213 as a potential suppressor of local invasion in intrahepatic cholangiocarcinoma

| PRJNA987989 | ENA

Identification of RNF213 as a potential suppressor of local invasion in intrahepatic cholangiocarcinoma

Project description:Intrahepatic cholangiocarcinoma (ICC) is a lethal cancer arising from intrahepatic bile ducts in the liver. In the intraductal growth (IDG) type, also referred to as intraductal papillary neoplasm of the bile duct (IPNB), a rare subtype of ICC, cancer cells originating within the bile duct usually invade and infiltrate the nearby liver tissues, resulting in local invasion. IPNB can serve as a good disease model to study the mechanism of local invasion, which is the earliest step of metastasis. Here, we aimed to identify the genes associated with local invasion by comparing the somatic mutations of the matched IPNB tissues with and without local invasion from a set of 11 patients using the Ion AmpliSeq Comprehensive Cancer Panel. Somatic mutation profiling analysis identified RNF213 as a potential candidate gene associated with local invasion in ICC patients. We established stable RNF213-knockdown and shControl cholangiocarcinoma (CCA) cell lines (HuCCT1, YSCCC, and KKU-100). Next, the expression profiling of the RNF213-knockdown and shContol CCA cell lines was analyzed by RNA sequencing.

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Homo sapiens strain:Intrahepatic cholangiocarcinoma

Project description:Homo sapiens strain:Intrahepatic cholangiocarcinoma Exome

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Crystal structure of Homo sapiens kynureninase.

Project description:Kynureninase is a member of a large family of catalytically diverse but structurally homologous pyridoxal 5'-phosphate (PLP) dependent enzymes known as the aspartate aminotransferase superfamily or alpha-family. The Homo sapiens and other eukaryotic constitutive kynureninases preferentially catalyze the hydrolytic cleavage of 3-hydroxy-l-kynurenine to produce 3-hydroxyanthranilate and l-alanine, while l-kynurenine is the substrate of many prokaryotic inducible kynureninases. The human enzyme was cloned with an N-terminal hexahistidine tag, expressed, and purified from a bacterial expression system using Ni metal ion affinity chromatography. Kinetic characterization of the recombinant enzyme reveals classic Michaelis-Menten behavior, with a Km of 28.3 +/- 1.9 microM and a specific activity of 1.75 micromol min-1 mg-1 for 3-hydroxy-dl-kynurenine. Crystals of recombinant kynureninase that diffracted to 2.0 A were obtained, and the atomic structure of the PLP-bound holoenzyme was determined by molecular replacement using the Pseudomonas fluorescens kynureninase structure (PDB entry 1qz9) as the phasing model. A structural superposition with the P. fluorescens kynureninase revealed that these two structures resemble the "open" and "closed" conformations of aspartate aminotransferase. The comparison illustrates the dynamic nature of these proteins' small domains and reveals a role for Arg-434 similar to its role in other AAT alpha-family members. Docking of 3-hydroxy-l-kynurenine into the human kynureninase active site suggests that Asn-333 and His-102 are involved in substrate binding and molecular discrimination between inducible and constitutive kynureninase substrates.

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Homo sapiens whole blood.

Project description:RNA extracted at 240min. Samples are rRNA depleted. Expression measurement of Homo sapiens genes.

2019-07-31 | GSE114179 | GEO

Next-generation sequencing quantitative analysis of the transcriptome of intrahepatic cholangiocarcinoma cell line treated with or without anlotinib.

Project description:To examine the potential mechanism of anlotinib to inhibit intrahepatic cholangiocarcinoma, we used RNA-seq to analyze the effect of anlotinib treatment on the transcriptome changes of intrahepatic cholangiocarcinoma cell lines HCCC9810 and RBE. HCCC9810 and RBE cells were treated with DMSO or anlotinib at 5 μM for 24 hours, and then subjected to total RNA isolation and deep sequencing. We used Venn diagrams of RNA-seq results of HCCC9810 and RBE cells treated with anlotinib to indicate genes that were up- or down-regulated (adjusted P value <0.05, fold = 2.0). There are 420 genes in both groups (Figure 4A, 273 genes up-regulated and 147 genes down-regulated). In summary, the above sequencing results were analyzed by bioinformatics, and it was concluded that by inactivating the VEGF / PI3K / AKT signaling pathway and through cell cycle arrest, anlotinib treatment inhibited the proliferation and invasion of tumor cells and promoted Apoptosis.

2021-05-01 | GSE149901 | GEO

Integrative Transcriptomic Profiling reveals Hepatic Stem-like Phenotype and Interplay of EMT and miR-200c in Intrahepatic Cholangiocarcinoma

Project description:This SuperSeries is composed of the following subset Series: GSE32879: Integrative Transcriptomic Profiling reveals Hepatic Stem-like Phenotype and Interplay of EMT and miR-200c in Intrahepatic Cholangiocarcinoma [mRNA] GSE32957: Integrative Transcriptomic Profiling reveals Hepatic Stem-like Phenotype and Interplay of EMT and miR-200c in Intrahepatic Cholangiocarcinoma [miRNA] Refer to individual Series

2012-09-28 | E-GEOD-32958 | biostudies-arrayexpress

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