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Transcriptomic analysis of decitabine induced HLAG+ regulatory T cells

ABSTRACT: Transcriptomic analysis of decitabine induced HLAG+ regulatory T cells

PROVIDER: PRJNA952653 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24084982.fastq.gz	Fastqsanger.gz
	SRR24084983.fastq.gz	Fastqsanger.gz
	SRR24084984.fastq.gz	Fastqsanger.gz
	SRR24084985.fastq.gz	Fastqsanger.gz
	SRR24084986.fastq.gz	Fastqsanger.gz

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Transcriptomic analysis of decitabine induced HLAG+ regulatory T cells

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Project description:Treatment of cancer cells with anti-cancer drugs often fails to achieve complete remission. Yet, such drug treatments may induce alteration in the tumor’s gene expression patterns, including those of Cancer/Testis Antigens (CTA). The degradation products of such antigens can be presented as HLA peptides on the surface of the tumor cells and be developed into anti-cancer immunotherapeutics. For example, the DNA methyl transferase inhibitor, 5-aza-2'-deoxycytidine (Decitabine) has limited anti-tumor efficacy, yet it induces the expression of many genes, including CTAs that are normally silenced in the healthy adult tissues. In this study, the presentation of many new HLA peptides derived from CTAs and induced by Decitabine was demonstrated in three human Glioblastoma cell lines. Such presentation of CTA-derived HLA peptides can be exploited for development of new treatment modalities, combining drug treatment with anti-CTA targeted immunotherapy. The Decitabine-induced HLA peptidomes include many CTAs that are not normally detected in healthy tissues or in cancer cells, unless treated with the drug. In addition, the study included large-scale analyses of the simultaneous effects of Decitabine on the transcriptomes, proteomes and HLA peptidomes of the human Glioblastoma cells. It demonstrates the poor correlations between these three levels of gene expression, both in their total levels and in their response to the drug.

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Project description:Decitabine (DAC), a DNA methyltransferase (DNMT) inhibitor, is tested in combination with conventional anticancer drugs as a treatment option for various solid tumors.

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