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Single-cell Sequencing Analysis Identifies Intratumoral Cell Population in Head and Neck Squamous Cell Carcinoma from 4NQO-induced Mice upon anti-CD276 Therapy

ABSTRACT: In this study, we aimed to identifies the landscape alterations of intratumoral cell population in HNSCC from 4NQO-induced mice upon anti-CD276 treatment by using single cell sequencing analysis.we characterized the alterations of intratumoral cell population by separating cancer cells and yielded 6 distinct cancer cell subpopulations defined by the transcriptional state of cells and known marker genes, including the sunpopulation with pEMT, stress, typical epithelial differentiation, high cell-cycling, metabolism and immune fetures. In response of CD276 treatment, the frequecey of cells with pEMT, cell cycling and immune features are dcreased as compared to the vehicle control mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE164817 | GEO | 2021/05/28

REPOSITORIES: GEO

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Single-cell Sequencing Analysis Identifies Intratumoral Cell Population in Head and Neck Squamous Cell Carcinoma from 4NQO-induced Mice upon anti-CD276 Therapy

Project description:Single-cell Sequencing Analysis Identifies Intratumoral Cell Population in Head and Neck Squamous Cell Carcinoma from 4NQO-induced Mice upon anti-CD276 Therapy

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RNA-seq analysis of CD276-high/EpCAM+ cells from HNSCC patient-derived-xenograft

Project description:We performed RNA sequencing (RNA-seq) to compare the gene expression pattern between CD276-high/EpCAM+ and CD276-low/EpCAM+ cells isolated from human HNSCC PDX. We identified a cohort of key oncogenes associate with cancer stemness enriched in CD276-high cells. Suggesting CD276 may play a positive role in maintaining cancer stem cells in human head and neck squamous cell carcinoma.

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4NQO treatment may modulate gene expression in mouse tongue

Project description:Determine whether 4NQO treatment may modulate gene expression in mouse tongue. C57BL/6J mice were given 4NQO (100ug/ml in drink) for 8 weeks; Non-treated control samples were used for comparison.

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Transcriptomes Analysis of 4NQO induced-esophageal tumors of Wild Type and S100A14 CKO mice

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CD276 is an important player in macrophage recruitment into the tumor and an upstream regulator for PAI-1

Project description:70-100% of colorectal, prostate, ovarian, pancreatic and breast cancer specimens show expression of CD276 (B7-H3), a potential immune checkpoint family member. Several studies have shown that high CD276 expression in cancer cells correlates with a poor clinical prognosis. This has been associated with the presence of lower tumor infiltrating leukocytes. Among those, tumor-associated macrophages can comprise up to 50% of the tumor mass and are thought to support tumor growth through various mechanisms. However, a lack of information on CD276 function and interaction partner(s) impedes rigorous evaluation of CD276 as a therapeutic target in oncology. Therefore, we aimed to understand the relevance of CD276 in tumor-macrophage interaction by employing a 3D spheroid coculture system with human cells. Our data show a role for tumor-expressed CD276 on the macrophage recruitment into the tumor spheroid, and also in regulation of the extracellular matrix modulator PAI-1. Furthermore, our experiments focusing on macrophage-expressed CD276 suggest that the antibody-dependent CD276 engagement triggers predominantly inhibitory signaling networks in human macrophages.

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Genomic analysis of 4NQO-induced mouse oral squamous cell carcinomas Genomic analysis of 4NQO-induced mouse oral squamous cell carcinomas Genomic analysis of 4NQO-induced mouse oral squamous cell carcinomas

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Multimodal single-cell profiling reveals the enhanced antitumor activity of FGFR4/CD276 BiCisCAR T cells in rhabdomyosarcoma

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ChIP-Seq for Yrr1 protein on Saccharomyces cerevisiae cells carrying different YRR1 alleles in response to 4-nitroquinoline-N-oxide (4NQO)

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