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Comprehensive Single-Cell Chromatin and Transcriptomic Profiling of Peripheral Immune Cells in Non-Segmental Vitiligo

ABSTRACT: Comprehensive Single-Cell Chromatin and Transcriptomic Profiling of Peripheral Immune Cells in Non-Segmental Vitiligo

PROVIDER: PRJNA1190435 | ENA |

REPOSITORIES: ENA

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Single-Cell Transcriptomics Reveals Peripheral Immune Responses in Non-Segmental Vitiligo

Project description:Vitiligo is a common autoimmune depigmented dermatology due to the destruction of melanocytes. Much evidence suggests that vitiligo is associated with systemic immune activation. Previous studies have focused on immune cell infiltration in and around lesion areas, while few studies have investigated the cell types and function of circulating immune cells in peripheral blood. We collected peripheral blood from five patients with progressive non-segmental vitiligo (PV) and three healthy controls (HC).Single-cell RNA sequencing(scRNA-seq) is used to investigate the mechanisms of peripheral immune responses in vitiligo patients.

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Expression pattens of long non-coding RNAs in peripheral blood mononuclear cells of non-segmental vitiligo

Project description:Objective: We explored the patterns of long non-coding RNA (lncRNA) expression in peripheral blood mononuclear cells (PBMCs) from patients with non-segmental vitiligo. Methods: We used high-throughput RNA sequencing technology to generate sequence data from five patients with non-segmental vitiligo alongside five normal healthy individuals, and then performed bioinformatics analyses to detect the differential expression of lncRNA in PBMCs. Gene Ontology (GO) and pathway analyses were performed for functional annotation, and quantitative real-time polymerase chain reaction (qRT-PCR) was used to verify gene expression. Target miRNAs and mRNAs of differentially expressed lncRNAs were predicted using bioinformatics analysis. Results: A total of 292 lncRNAs were differentially expressed in non-segmental vitiligo (fold change≥2.0, P<0.05), of which 171 were upregulated and 121 were downregulated. Six differentially expressed lncRNAs were selected , namely ENST00000460164.1, ENST00000393264.2, NR-046211.1, NR-135491.1, NR-135320.1, and ENST00000381108.3, for validation by qRT-PCR. The results showed that ENST00000460164.1 and NR-046211.1 were highly expressed in PBMCs of non-segmental vitiligo. An lncRNA-miRNA-mRNA network containing two lncRNAs, 17 miRNAs, and 223 mRNAs was constructed. Conclusion: Our results revealed patterns of differentially expressed lncRNAs in the PBMCs of non-segmental vitiligo individuals. ENST00000460164.1, and NR-046211.1 may be potential biomarkers and drug targets for the treatment of non-segmental vitiligo.

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Comprehensive Single-Cell Chromatin and Transcriptomic Profiling of Peripheral Immune Cells in Non-Segmental Vitiligo

Project description:This study integrates single-cell RNA and ATAC sequencing to profile peripheral immune cells in nonsegmental vitiligo, providing insights into systemic immune dysregulation.

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Project description:Investigate the gene expression change in the blood of segmental vitiligo, generalized vitiligo and healthy individual.

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The miRNAs in plasma exosomes may serve as markers for non-segmental vitiligo

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