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Anti-tumor effect of targeting EPC in Head and neck cancer

ABSTRACT: Tumor-induced EPCs were contributed to weaken anti-tumor response through the interaction between spleen and tumor. Hence, it seemed a good strategy to targeting EPCs in vivo. To gain a mechanistic understanding of the alteration upon treatment, tumors treated with anti-CD71 were collected to perform RNA-seq.

ORGANISM(S): Mus musculus

PROVIDER: GSE232031 | GEO | 2025/03/19

REPOSITORIES: GEO

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Project description:Background: In recent times a subset of bone marrow (BM) derived cells; endothelial progenitor cells (EPCs), have generated tremendous interest, as these cells are suggested to home to sites of neovascularization and neoendothelialization and differentiate into mature endothelial cells (ECs), a process referred to as postnatal vasculogenesis. EPCs are being considered as a potential regenerative tool for treating various pathophysiological disease states including cardiovascular disorder and as a possible target to restrict vessel growth in tumour pathology. However, conflicting results have been reported in the field due to lack of EPC specific biomarkers, and the identification, characterization, and the precise role of EPCs in vascular biology still remains a subject of great debate. Therefore, the objective of this study was to use a bioinformatics approach to identify putative novel EPC specific biomarkers. Methods: This study reports a detailed gene expression profile of human umbilical cord blood (UCB) derived non-adherent CD133 + cells at different time points during in vitro differentiation (day 4 and day 7) which were compared with differentiated donor matched human umbilical vein endothelial cells (HUVEC). Results: EPC gene expression was profiled at both days 4 and 7, using affymetrix human 1.0ST exon arrays. Affymetrix gene expression profiling revealed significant expression changes in genes associated with stem/progenitor cell properties such as adhesion, signalling, molecular transport, cell structure organisation and growth. Conclusions: This is the first study utilizing gene expression profiling to examine non adherent CD133+ progenitor cells. Alterations in the gene expression reported in this study may be involved in the cellular processes characteristic of EPC development and differentiation. Gene expression profiling was performed on EPCs cultured for D4 and D7, on Affymetrix human 1.0ST exon array chips. Gene Spring (version GX11) was used to perform the gene expression analysis on three experimental groups; (a) D4 EPCs versus HUVEC; (b) D7 EPCs versus HUVEC and (c) D4 versus D7 EPCs.

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Anti-tumor effect of targeting EPC in Head and neck cancer

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