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Microarray of CD11b+CD11c–Ly6Chi inflammatory monocytes in tumor tissue and spleens from Th9 treated mice

ABSTRACT: We recently reported that tumor-specific Th9 cells are less susceptible to exhaustion, fully cytolytic to tumor cells, and possess long-term persistence capacity because of their unique hyperproliferative T cell feature. However, these observations only revealed how tumor-specific Th9 cells eradicate antigen-positive tumor cells. Given the unmet need to develop effective ACT strategies with tumor-specific Th9 cells for solid tumors with the heterogeneity in antigen expression, the CD11b+CD11c–Ly6Chi inflammatory monocytes were flow-sorted from Th9 treated mice, and been further analyzed for microarray.

ORGANISM(S): Mus musculus

PROVIDER: GSE151712 | GEO | 2020/06/08

REPOSITORIES: GEO

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Microarray of CD11b+CD11c–Ly6Chi inflammatory monocytes in tumor tissue and spleens from Th9 treated mice

Project description:Microarray of CD11b+CD11c–Ly6Chi inflammatory monocytes in tumor tissue and spleens from Th9 treated mice

| PRJNA637038 | ENA

Tumor rejection in Cblb-/- mice depends on IL-9 and Th9 cells

Project description:Casitas B lymphoma-b (Cbl-b) is a central negative regulator of cytotoxic T and NK cells, explaining its intracellular checkpoint function in cancer. Increasing evidence highlights the importance of CD4+ T helper cell populations (e.g., IL-9 producing T cells: Th9 cells) for anti-cancer immunity. We here provide experimental evidence that Cbl-b acts as rheostat favoring regulatory T cells (Treg) at the expense of Th9 cell differentiation. Adoptively transferred tumor-model antigen specific Cblb-/- Th9 cells exert superior anti-tumor activity leading to improved melanoma control in vivo. Accordingly, blocking IL-9 in melanoma cell-exposed Cblb-/- mice reverses their tumor rejection phenotype. Single cell RNA sequencing of in vitro differentiated Th9 cells from naïve T cells isolated from WT and Cblb-/- animals revealed the transcriptomic basis for increased Th9 cells differentiation. In summary, we here first establish IL-9 and Th9 cells as key anti-tumor executers in Cblb-/- animals. This knowledge may be helpful for future improvement of adoptive T cell therapies in cancer.

2022-04-30 | GSE173395 | GEO

The transcription factor BATF3 regulates the differentiation of TH9 cells and TH9-driven mucosal pathologies

Project description:T helper 9 (TH9) cells are important for the development of inflammatory and allergic diseases. The TH9 transcriptional network converge signals from cytokines and antigen presentation but is incompletely understood. Here, we identified TL1A, a member of the TNF superfamily, as strong inducer of mouse and human TH9 differentiation. Mechanistically, TL1A induced the expression of the transcription factors BATF and BATF3 and facilitated their binding to the Il9 promoter leading to enhanced secretion of IL-9. BATF- and BATF3-deficiencies impaired IL-9 secretion under TH9 and TH9-TL1A polarizing conditions. In vivo, using a T cell transfer model we demonstrated that TL1A promoted IL-9-dependent, TH9 cell-induced intestinal and lung inflammation. Neutralizing IL-9 antibodies attenuated TL1A-driven mucosal inflammation. Batf3-/- TH9-TL1A cells induced reduced inflammation and cytokine expression in vivo compared to WT cells. Our results demonstrate that TL1A promotes TH9 cell differentiation and function and define a role of BATF3 in TH9-induced mucosal inflammation.

2019-01-08 | GSE106926 | GEO

Defining a Th9 transcriptome

Project description:Microarray analyses were performed to compare gene expression in cultured mouse Th9, Th2 and Treg cells and resting versus activated Th9 cells. Three replicates were analyzed for each culture condition; Th9 unstim, Th2 unstim, Treg unstim, Th9 stim

2014-03-26 | E-GEOD-44937 | biostudies-arrayexpress

Proteome analysis revealed the essential functions of protein phosphatase PP2A in the induction of Th9 cells

Project description:we performed proteome analysis of Th9 cells to understand the involvement of proteins that might be crucial for the anti-tumor functions of Th9 cells. Here we show for the first time a comprehensive proteomic analysis of murine Th0 and Th9 cells, which identified 1451 total proteins among which 1367 proteins were common. Further analysis revealed that 118 proteins were upregulated while 81 proteins were downregulated in Th9 cells. Pathway analysis suggested an abundance of phosphoproteins in the proteome of Th9 cells. Among upregulated phosphoproteins which showed to be involved in immune 34 system, Ppp2ca (catalytic subunit of protein phosphatase, PP2A) was found to be highly expressed in Th9 cells. Although the role of PP2A has been shown to regulate the differentiation and functions of Th1,Th2, Th17 and Tregs, its role in differentiation and functions of Th9 cells is not identified yet. Our results show for the first time that PP2A is required for the differentiation and anti-tumor functions of Th9 cells. PP2A inhibition leads to the suppression of IL-9 induction and the expression of key transcription factors of Th9 cells.

2021-09-09 | PXD019506 | Pride

Defining a Th9 transcriptome

Project description:Microarray analyses were performed to compare gene expression in cultured mouse Th9, Th2 and Treg cells and resting versus activated Th9 cells.

2014-03-26 | GSE44937 | GEO

Gene expression analysis of neutrophils, Ym1+Ly6Chi monocytes and Ym1-Ly6Chi monocytes

Project description:mRNA expression profiles between Ym1+Ly6Chi monocytes and Ym1-Ly6Chi monocytes from LPS-treated mice were analyzed by RNA-sequencing

2021-07-02 | GSE118032 | GEO

Study of new molecular mechanism for Th9 differentiation

Project description:Th9 cells are differentiated from naïve CD4+ T cells by T cell receptor (TCR) stimulation in the presence of the cytokines transforming growth factor-beta (TGF-b) and IL-4, but the molecular mechanisms by which signaling via these two cytokines control Il9 gene expression remain incompletely understood. We show here opposing functions of albumin site D-binding protein (DBP) and E2F8, an atypical member of the E2F family member of transcription factors , in controlling Th9 cell differentiation. Specifically, TGF-b and IL-4 signaling induced phosphorylation of the Serine 213 site in the linker region of the Smad3 protein (pSmad3L-Ser213) via the activation of phosphorylated MAPK p38 (p-p38). pSmad3L-Ser213, but not the phosphorylation of the C-terminal of SMAD3 (pSmad3C), was necessary and sufficient for Il9 gene transcription. We identified DBP and E2F8 as a potential activator and repressor, respectively, for Il9 gene transcription by analyzing the global chromatin accessibility and transcriptomes and discovered that pSmad3L-Ser213 was required for the increase in DBP expression but decreased E2F8 expressions during Th9 cell differentiation. We found that while DBP and E2F8 directly bound to the promoters of Il9 gene, DBP enhanced, but E2F8 suppressed, Il9 gene transcription in CD4+ T cells in response to TGF-b and IL-4 signaling, as revealed by functional gene loss- and gain-of-function studies. Notably, the Dbp-deficient and E2f8-deficient Th9 cells promoted and suppressed tumor growth, respectively, in experimental tumor models of melanoma and fibrosarcoma in mice. Importantly, DBP and E2F8 also exhibited opposing roles in regulating human TH9 differentiation in vitro. Thus, we have revealed a previously unrecognized molecular mechanism of Smad3 linker region-mediated opposing functions of DBP and E2F8 in Th9 differentiation.

2022-08-09 | GSE182472 | GEO

Effect of IL-7 on CD4+ T cell and Th9 cells

Project description:We found that IL-7 pretreatment enhanced Th9 differentiation. To clarify the underlying mechanisms, we examine the gene expression profiles of CD4+ T cell and Th9 cells with or without IL-7 pretreatment. In Th9 cells, we found that Th9 related genes were greatly increased in IL-7 Th9 group, which demonstrated an enhanced Th9 differentiation. In CD4+ T cells, we found that IL-7 treatment resulted in a global gene expression change especially on chromatin remodeling related genes, which facilitated the entry of transcriptional factor to the Il9 promoter region and promoted Il9 transcription.

2017-02-06 | GSE86542 | GEO

Transcriptome analysis of Th9 CD4+ T cells differentiated with or without Il-1beta

Project description:We report that the Th9 differenciation program is boosted in presence of Il-1beta Examination of the expression profile of Th9 CD4+ T cells after 1 hour and 3 days of differentiation and after in vivo injection

2014-05-23 | E-GEOD-54697 | biostudies-arrayexpress

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