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

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

PROVIDER: PRJNA976282 | ENA |

REPOSITORIES: ENA

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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.

2023-12-01 | GSE233448 | GEO

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

Project description:Eosinophils exert direct and indirect anti-tumorigenic effects in the development of esophageal squamous cell carcinoma

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

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

| PRJNA976278 | ENA

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

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. 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.

2023-12-01 | GSE233443 | GEO

Expression data from study on IL33 signaling in Dusp5 deficient eosinophils

Project description:Dusp5 regulates ERK phosporylation following IL-33 receptor ligation in cultured eosinophils. Dusp5 deficient eosinophils show increased ERK phosphorylation, and as a result are less apoptotic. Since ERK stimulation results in downstream activation of transcription factors, we are utilizing a microarray approach to find alterations in gene expression to uncover potential mechanisms for increased cell survival. Day 12 bone marrow derived eosinophils from Dusp5+/+ and Dusp5-/- mice (5 mice per genotype) were left untreated (media only) or IL-33 (25ng/ml) stimulated for 4 hours. Treated cells were washed with ice cold PBS and cell pellets were directly lysed in RLT buffer (Qiagen) followed by immediate RNA isolation (RNEasy plus mini kit with genomic DNA eliminator columns). Sample group names: Group 1- Dusp5+/+ Untreated (N=5) Group 2- Dusp5-/- Untreated (N=5) Group 3- Dusp5+/+ IL-33 4hrs (N=5) Group 4- Dusp5-/- IL-33 4hrs (N=5) Sample Names: Group 1- BM Eos unstimulated WT-1....WT-5 Group 2- BM Eos unstimulated Dusp5-/- -1......Dusp5-/- -5 Group 3- BM Eos IL-33 4hrs WT-1....WT-5 Group 4- BM Eos IL-33 4hrs Dusp5-/- -1......Dusp5-/- -5

2014-11-06 | E-GEOD-62999 | biostudies-arrayexpress

Metastasis-entrained eosinophils enhance lymphocyte-mediated anti-tumor immunity

Project description:The recognition of the immune system as a key component of the tumor microenvironment (TME) led to promising therapeutics. Since such therapies benefit only subsets of patients, understanding the activities of immune cells in the TME is required. Eosinophils are an integral part of the TME especially in mucosal tumors. Nonetheless, their role in the TME and the environmental cues that direct their activities are largely unknown, especially in metastasis. We report that breast cancer-driven lung metastasis is characterized by resident and recruited eosinophils. Eosinophil recruitment to the metastatic lung was regulated by G protein coupled receptor signaling but independent of CCR3. Functionally, eosinophils promoted lymphocyte-mediated anti tumor immunity. Transcriptome and proteomic analyses identified the TME rather than intrinsic differences between eosinophil subsets as a key instructing factor directing anti tumorigenic eosinophil activities. Specifically, TNF-a/IFN-g-activated eosinophils facilitated CD4+ and CD8+ T cell infiltration and promoted anti-tumor immunity. Collectively, we identify a mechanism by which the TME entrains eosinophils to adopt anti-tumorigenic properties, which may lead to the development of eosinophil-targeted therapeutics.

2021-07-27 | PXD027596 | Pride

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