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Serum exosome miRNA expression profile in patients with cholangiocarcinoma(CCA) and common bile duct stones(CBDS)

ABSTRACT: Serum exosome miRNA expression profile in patients with cholangiocarcinoma(CCA) and common bile duct stones(CBDS)

PROVIDER: PRJNA890287 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21894967.fastq.gz	Fastqsanger.gz
	SRR21894968.fastq.gz	Fastqsanger.gz
	SRR21894969.fastq.gz	Fastqsanger.gz
	SRR21894970.fastq.gz	Fastqsanger.gz
	SRR21894971.fastq.gz	Fastqsanger.gz

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Serum exosome miRNA expression profile in patients with cholangiocarcinoma(CCA) and common bile duct stones(CBDS)

Project description:Cholangiocarcinoma (CCA) is a type of highly aggressive cancer arising from the biliary system. Through serum exosome miRNA sequencing, we screened out the differentially expressed miRNA in patients with cholangiocarcinoma(CCA) and common bile duct stones(CBDS).

2022-10-20 | GSE215448 | GEO

Cholangiocarcinoma tissues VS. corresponding normal bile duct tissues

Project description:To identify miRNAs differentially expressed in cholangiocarcinoma,3 human cholangiocarcinoma and their corresponding normal bile duct tissues were obtained from 3 patients after operation with postoperative pathological diagnosed perihilar or distal biliary cholangiocarcinoma miRNAs expression in human cholangiocarcinoma/normal bile duct samples was measured after operation.Three independent experiments were performed using different patients for each experiment.

2013-06-10 | E-GEOD-47764 | biostudies-arrayexpress

Cholangiocarcinoma tissues VS. corresponding normal bile duct tissues

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FOSL1 transcriptome in cholangiocarcinoma (CCA) cells

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Project description:Although providing promising and unique tools for studying cholangiocytes, current tissue-derived cholangiocyte-organoid systems do not recapitulate the complex architecture of the intrahepatic bile ducts in vitro. Here, we report a new method for creating branching cholangiocyte organoids (BRCO) from human adult tissue to study the intrahepatic biliary tree and diseases. BRCOs self-organize into large complex tubular structures, while closely resembling primary cholangiocytes on a transcriptomic and functional level. They are capable of mimicking branching bile duct development as well as being used for studying diseases in which the biliary tree does not develop properly (Alagille Syndrome). Furthermore, we deliver evidence that our culture method allows for formation of complex cholangiocyte cancer (cholangiocarcinoma, CCA) organoids. These branching CCA organoids resemble the primary tumor more closely compared to previously published protocols as well as showing unique tumor-specific drug responses. In conclusion, our culture method allows for creation of novel (malignant) cholangiocyte-organoids to study the intrahepatic bile ducts.

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Human branching cholangiocyte organoids recapitulate embryogenic bile duct development and provide an unique model to study biliary diseases. scRNA-Seq

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MBD2 regulates the progression and chemoresistance of cholangiocarcinoma through interaction with WDR5

Project description:Background: Cholangiocarcinoma (CCA) is a high malignancy, rapid progression tumor of bile duct. Due to its chemoresistance, it always has an extremely poor prognosis. Therefore, it is still need to detailed elucidation the mechanisms of chemoresistance and find the therapeutic targets. Methods: We analysis the expression of MBD2 in CCA and normal bile duct tissues through public database and immunohistochemical (IHC). The role of MBD2 in CCA cells’ proliferation, migration, chemoresistance ability was validated through CCK-8, plate clone assay, wound healing assay, xenograft mice models. Besides, we construct a primary CCA mice model to further confirm the effect of MBD2. RNA-seq, co-IP-MS were used to find the mechanisms of MBD2 leading to chemoresistance. Results: MBD2 is up-regulated in CCA. It could promote the proliferation, migration and chemoresistance of CCA cells. Mechanistically, MBD2 could directly interact with WDR5, and binding to the promoter of ABCB1, then promote the tri-methylation of H3K4 in this region through KMT2A, active the expression of ABCB1. Knocking down of WDR5 or KMT2A could block the transcriptional activation of ABCB1 by MBD2. MM-102 is a molecular inhibitor that targets the interaction of WDR5 with KMT2A. MM-102 could inhibit the expression of ABCB1 in CCA cells, and decrease the chemoresistance of CCA to cisplatin. Conclusion: MBD2 promote the progress and chemoresistance of CCA through interact with WDR5. MM-102 could effectively block this procedure and enhance the sensitivity to cisplatin of CCA.

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