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Eosinophils exert direct and indirect anti-tumorigenic effects in the development of esophageal squamous cell carcinoma [4NQOinDBLgata]

ABSTRACT: Eosinophils are present in several solid tumors and have context-dependent function. The role of eosinophils in the development of esophageal squamous cell cancer (ESCC), 85% of esophageal cancers worldwide, is unknown. Mice were treated with 4-nitroquinolone-1-oxide (4-NQO) for 8 weeks followed by vehicle for 8 weeks to induce esophageal squamous pre-cancer. Eosinophil depletion using three mouse models resulted in exacerbated 4-NQO tumorigenesis. RNA-sequencing on the whole esophagus of WT and ?dblGATA mice was done in the pre-cancer model to understand how the presence of eosinophils affects the pre-cancer esophageal environment.

ORGANISM(S): Mus musculus

PROVIDER: GSE233443 | GEO | 2023/12/01

REPOSITORIES: GEO

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Eosinophils exert direct and indirect anti-tumorigenic effects in the development of esophageal squamous cell carcinoma [eos]

Project description:Eosinophils are present in several solid tumors and have context-dependent function. The role of eosinophils in the development of esophageal squamous cell cancer (ESCC), 85% of esophageal cancers worldwide, is unknown. Mice were treated with 4-nitroquinolone-1-oxide (4-NQO) for 8 weeks followed by vehicle for 8 weeks to induce esophageal squamous pre-cancer. Eosinophil depletion using three mouse models resulted in exacerbated 4-NQO tumorigenesis. In order to study the transcriptional profiles of eosinophils specifically, we isolated eosinophils from esophageal tissue of WT mice which had been treated with 4-NQO in the pre-cancer model. Because eosinophils are not present in the esophagus normally, we isolated eosinophils from the colons of a random subset of the same mice. Additionally, we derived eosinophils from the bone marrow of a random subset of the same mice.

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