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Anti-cancer activity of verteporfin in cholangiocarcinoma

ABSTRACT: Anti-cancer activity of verteporfin in cholangiocarcinoma

PROVIDER: PRJNA956462 | ENA |

REPOSITORIES: ENA

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Anti-cancer activity of verteporfin in cholangiocarcinoma

Project description:We investigated the antitumoral effect of verteporfin in YAP/AKT hydrodynamic tail vein injected murine models and we analyzed the correlative change of immune cell profile and stemness with the treatment of verteporfin by using flow cytometry and single-cell RNA sequencing

2023-04-21 | GSE229855 | GEO

Anti-Cancer Activity of Verteporfin in Cholangiocarcinoma.

Project description:Cholangiocarcinoma (CCA) is a heterogenous malignancy that arises from the biliary epithelium and has a poor clinical prognosis. The Hippo/yes-associated protein (YAP) pathway has been reported to affect various aspects of tumorigenesis, with high expression of YAP1 being negatively associated with survival in CCA patients. Thus, we investigated the antitumoral effect of verteporfin, a YAP1 pathway inhibitor, in YAP1/AKT hydrodynamic tail vein injected murine models. We also used flow cytometry and single-cell RNA sequencing (scRNA-seq) to analyze the change in the immune cell profile and malignant cell stemness following verteporfin treatment. Our results demonstrated reduced liver weight and tumor formation in verteporfin-treated groups compared to that of a vehicle-treated group. Immune cell profiling through flow cytometry showed that relative to the vehicle, verteporfin induced a higher ratio of tumor-associated macrophage (TAM) M1/M2 and increased the percentage of activated CD8 T cell population (CD8+CD25+ and CD8+CD69+). scRNA-seq analysis showed significantly increased TAM M1 populations following verteporfin treatment and decreased proportions of stem-like cells within the malignant cell population. In summary, this study indicates that in CCA YAP/AKT murine models, verteporfin reduces tumorigenesis by polarizing anti-tumoral TAM and activating CD8 T cells and decreasing stem-like malignant cell proportions in the tumor microenvironment.

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Impact of Verteporfin on HCC cells

Project description:Together with TEAD4 the Hippo pathway effector YAP stimulates chromosomal instability. Verteporfin is known to disrupt the physical YAP/TEAD interaction and tehrefore might prevent from chromosomal instability in liver cancer. Immortalized HCC cell line hepG2 is treated with Verteporfin for 24 hours.

2016-02-11 | E-GEOD-73396 | biostudies-arrayexpress

Tumor selective proteotoxicity of verteporfin inhibits colon cancer progression independent of YAP1

Project description:Verteporfin (VP) inhibts colon cancer growth in vivo and in cell lines by inducing high molecular weight oligomerization of proteins. The antitumor effect of VP is independent of its YAP inhibitor activity. Tumor hypoxia contributes partly to antitumor effect of VP by impairing clearance of VP-induced high molecular weight aggregates.

2015-10-14 | PXD002793 | Pride

Anti-cancer activity of Cotyledon orbiculata extract

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Gene expression profile in gastric cancer cells by Verteporfin (VP)

Project description:Verteporfin (trade name Visudyne) is a medication used as a photosensitizer for photodynamic therapy to eliminate the abnormal blood vessels in the eye associated with conditions such as the wet form of macular degeneration. Verteporfin accumulates in these abnormal blood vessels and, when stimulated by nonthermal red light with a wavelength of 689 nm[1] in the presence of oxygen, produces highly reactive short-lived singlet oxygen and other reactive oxygen radicals, resulting in local damage to the endothelium and blockage of the vessels. Recently, it was reported that VP has chemotherapeutic effect in cancer. To identify the gene expression profile in gastric cancer cells by VP, we performed microarray.

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Impact of Verteporfin on HCC cells

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Immune modulation underpins the anti-cancer activity of HDAC inhibitors

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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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