Pluto Biosciences, Inc

GSE107908: OX40 regulates double-negative regulatory T cells dependently of its effects on conversion and function

Bulk RNA sequencing

Methods: To better understand the role of OX40 in the regulation of double-negative regulatory T cells (DNT), OX40 deficiency and wild-type DNT converted from nave CD4 T cells were compared in a transcriptome sequencing study. Total RNA was isolated from FACS-separated DNT. Transcriptome sequencing libraries were generated using NEBNext Ultra RNA Library Prep Kit for Illumina (NEB, USA) following manufacturers recommendations and sequenced on an Illumina Hiseq platform (Illumina, San Diego, CA). Sequences were aligned to the reference genome with TopHat and processed with Cufflinks, which quantifies each transcript in each sample using reference annotations produced by the University of California Santa Cruz UCSC. Differentially expressed genes with a fold change of >=2.0 and padj < 0.05 between OX40 deficiency and control DNT were submitted to GO and KEGG enrichment analysis, which uses unbiased methods to assess pathway enrichment.; Results: Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses revealed that OX40 knockout are involved in regulatory function of DNT; including suppressive function, apoptosis, proliferation, and so on. Compared to control DNT, OX40 knockout DNT exhibited up-regulation of 52 genes and down-regulated of 46 genes. The most enriched GO term were Signal Transduction, Protein Binding, and Banding. SOURCE: Kai Liu ( - Beijing Friendship Hospital, Capital Medical University

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