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A novel 3-D organotypic culture model by co-culturing alpha-SMA positive CAF and cholangiocarcinoma cells in a collagen matrix

ABSTRACT: The increased α-smooth muscle-actin positive cancer-associated fibroblastic cells (CAF) in the desmoplastic stroma may relate to a more aggressive cancer and worse survival outcomes for intrahepatic cholangiocarcinoma (ICC) patients We developed a novel 3-D organotypic culture model by co-culturing α-SMA positive CAF and cholangiocarcinoma cells in a collagen matrix.

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE38889 | GEO | 2012/06/23

SECONDARY ACCESSION(S): PRJNA169161

REPOSITORIES: GEO

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A novel 3-D organotypic culture model by co-culturing alpha-SMA positive CAF and cholangiocarcinoma cells in a collagen matrix

Project description:The increased M-NM-1-smooth muscle-actin positive cancer-associated fibroblastic cells (CAF) in the desmoplastic stroma may relate to a more aggressive cancer and worse survival outcomes for intrahepatic cholangiocarcinoma (ICC) patients We developed a novel 3-D organotypic culture model by co-culturing M-NM-1-SMA positive CAF and cholangiocarcinoma cells in a collagen matrix. Cholangiocarcinoma cell lines were established by isolating M-NM-1-SMA positive cancer-associated fibroblastic cells (CAF) (BDEsp-TDFE4) and cholangiocarcinoma cells (BDEsp-TDEH10) from tumors arising from bile duct inoculation of spontaneously-transformed low grade malignant rat BDE1 cholangiocytes (BDEsp cells). These tumor-derived cells lines were then grown in a rat tail type I collagen gel matrix, alone or in co-culture, and their gene expression profile were compared.

2012-06-22 | E-GEOD-38889 | biostudies-arrayexpress

Targeting biliary cancer desmoplasia in culture

Project description:To more closely reproduce key cellular and stromal features of the desmoplastic reaction of cholangiocarcinoma in vitro, we developed a novel 3-dimensional culture modeling of cancer and stromal cells as a strategy for targeted therapies Cellular, molecular, and functional characterization of different cancer-associated fibroblastic (CAF) and cholangiocarcinoma cell strains isolated from orthotopic tumors arising from bile duct inoculation of spontaneously-transformed rat cholangiocytes (BDEsp cells) in Fischer 344 young adult male rats.

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RNA sequencing data of differentially treated cancer associated fibroblast, myeloid-derived supression cells, and ICC tumor cells in ICC patient

Project description:An interactive tumor microenvironment with different stromal cell types is necessary for supporting cancer stemness. Cancers with dense fibrotic stroma such as intrahepatic cholangiocarcinoma (ICC) are often highly aggressive and chemotherapy resistance. Here, we show that cancer associated fibroblasts (CAF) greatly enhances the capacity of blood CD33+ myeloid-derived suppressor cells (MDSCs) to promote stem-like properties in ICC cells and tumor growth via paracrine signaling. Mechanistically, CAF mediates hyperactivated 5-LO pathway in CD33+ MDSCs via secretion of IL-6 and IL-33, resulting in overproduction of LTB4, which acts on BLT2 to promote cancer stemness via Akt-mTOR signaling. hyperactivated 5-LO pathway are observed in tumor-infiltrating CD33+ MDSCs compared with blood counterparts from the same ICC patients. Moreover, BLT2 blockade augments chemotherapeutic efficacy in ICC PDX models. Thus, our study reveals a previously unrecognized stromal cell network in which CAF educate myeloid cells to shape the optimal supportive microenvironment for the aggressive nature of ICC.

2022-01-01 | GSE158755 | GEO

Promotion of Cholangiocarcinoma Growth by Diverse Cancer-associated Fibroblast Subpopulations

Project description:Here we analyzed mouse and human samples to characterize origin, subtypes, functions and cell-cell interactions of cancer-associated fibroblasts in cholangiocarcinoma, a highly desmoplastic tumor of the liver. Hepatic stellate cell-derived cancer-associated fibroblasts were isolated from two different models of murine intrahepatic cholangiocarcinoma, induced by overexpression of YAP+AKT or KRASG12D in combination with sg-p19, and compared by bulk RNA-sequencing to hepatic stellate cells from two models of liver fibrosis, induced by bile duct ligation or DDC diet. CAF-enriched fractions of from YAP+AKT or KRAS/sg-p19-induced intrahepatic cholangiocarcinoma, were analyzed by single-cell RNA sequencing. A cell suspension from human cholangiocarcinoma, containing all cell populations, was analyzed by single cell RNA-sequencing.

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

Project description:We compared transcriptomic profiles of ICC tumor specimens to hepatocellular carcinoma (HCC) specimens using Affymetrix mRNA array and the miRNA array platforms to search for unique gene signatures linked to patient prognosis. ICC and HCC share common stem-like molecular characteristics and stem-like tumor features associated with poor prognosis. Gene expression profiling of 16 intrahepatic cholangiocarcinoma (ICC), 7 mixed type of combined hepatocellular cholangiocarcinoma (CHC), 2 Hepatic adenoma, 3 focal nodular hyperplasia (FNH), 5 non-tumor liver tissues, and 2 CCA cell lines were performed.

2012-09-28 | E-GEOD-32957 | biostudies-arrayexpress

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2012-01-27 | E-GEOD-35249 | biostudies-arrayexpress

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2010-06-21 | E-GEOD-18532 | biostudies-arrayexpress

Human cholangiocarcinoma (CC), ECC (extrahepatic CC) and ICC (intrahepatic CC) cases versus control

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Single-cell and Spatial Architecture of Primary Liver Cancer

Project description:Using single-cell RNA sequencing, spatial transcriptomic and bulk multi-omics, we elaborated a molecular architecture of 3 PLC types, namely hepatocellular carcinoma (HCC), intrahepatic cholangiocarcinoma (ICC) and combined hepatocellular-cholangiocarcinoma (CHC) from a high-resolution perspective.

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Project description:We compared transcriptomic profiles of 23 ICC tumor specimens to hepatocellular carcinoma (HCC) specimens using Affymetrix mRNA array and the miRNA array platforms to search for unique gene signatures linked to patient prognosis. ICC and HCC share common stem-like molecular characteristics and stem-like tumor features associated with poor prognosis. Gene expression profiling of 16 intrahepatic cholangiocarcinoma (ICC), 7 mixed type of combined HCC and ICC (CHC), 2 Hepatic Adenoma, 5 Focal Nodular Hyperplasia, and 7 Non-Tumor Tissues were performed.

2012-09-28 | E-GEOD-32879 | biostudies-arrayexpress

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