Project description:Angiosarcoma is an aggressive soft-tissue sarcoma with a poor prognosis. Chemotherapy for this cancer typically employs paclitaxel, one of the taxanes (genotoxic drugs), although it has a limited effect due to chemoresistance for prolonged treatment. Here we examine a new angiosarcoma treatment approach that combines chemotherapeutic and senolytic agents. We first find that the chemotherapeutic drugs, cisplatin and paclitaxel, efficiently induce cellular senescence of angiosarcoma cells. Subsequent treatment with a senolytic agent, ABT-263, eliminates senescent cells through the activation of the apoptotic pathway. In addition, expression analysis indicates that senescence-associated secretory phenotype (SASP) genes are activated in senescent angiosarcoma cells and that ABT-263 treatment eliminates senescent cells expressing genes in the type-I interferon (IFN-I) pathway. Moreover, we show that cisplatin treatment alone requires a high dose to remove angiosarcoma cells, whereas a lower dose of cisplatin is sufficient to induce senescence, followed by the elimination of senescent cells by senolytic treatment. This study sheds light on a potential therapeutic strategy against angiosarcoma by combining a relatively low dose of cisplatin with the ABT-263 senolytic agent, which can help ease the deleterious side effects of chemotherapy.

2024-03-23 | GSE245935 | GEO

Gene expression of human angiosarcoma

Project description:Gene expression profiling of human angiosarcoma samples was performed using the NanoString Human nCounter PanCancer IO 360 Panel

2023-05-03 | GSE226338 | GEO

miRNA expression profile in angiosarcoma

Project description:We first use microRNA expression profiles to find miRNA expression signatures in 3 cases of human angiosarcoma and capillary hemangiomauman, then RT-PCR for large sample verification. Through the bioinformatics prediction of its target genes, we study its function and aim to find the new molecular markers and therapeutic targets.

2015-02-06 | GSE65657 | GEO

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