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Expression profile and potential function of circRNAs in peripheral blood mononuclear cells from patients with primary gout

ABSTRACT: Expression profile and potential function of circRNAs in peripheral blood mononuclear cells from patients with primary gout

PROVIDER: PRJNA741196 | ENA |

REPOSITORIES: ENA

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Expression profile and potential function of circRNAs in peripheral blood mononuclear cells from patients with primary gout

Project description:To determine the expression profile and clinical significance of circular RNAs (circRNAs) in peripheral blood mononuclear cells (PBMCs) of patients with primary gout and healthy control subjects. Human circRNA microarrays were used to identify the differentially expressed circRNAs in primary gout (Gout, n = 5) and healthy subjects (HC, n = 3). Bioinformatics analyses were performed to predict the roles of differently expressed circRNAs. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to validate the results in 90 gout patients, and 60 healthy control subjects (HC). Microarray analysis indicated that 238 circRNAs were up-regulated and 41 circRNAs were down-regulated in the Gout group (Fold change>1.5, p-value<0.05). Bioinformatics analysis showed that differentially expressed circRNAs were involved in the pathogenesis of gout through a variety of different pathways. Significant association was observed between these circRNAs and lipid metabolism indicators. Our results provide novel insight into the mechanisms of primary gout, and reveal that hsa_circRNA_103657 could effectively discriminate the gout group and the healthy control groups.

2021-06-25 | GSE178825 | GEO

Single-cell RNA sequencing of human peripheral blood mononuclear cells reveals distinct immune response in gout flare and remission

Project description:Gout typically presents as an acute, self-limiting inflammatory monoarthritis. Based on single-cell RNA sequencing (scRNA-seq), we profiled peripheral blood mononuclear cells (PBMCs) from the same patients with gout flare and gout remission We identified the dynamics of cell abundance, gene expression patterns and biological processes underlying the immune dysregulation of each cell compartment. The single-cell landscape of both innate and adaptive immune responses provides new insights into pathogenesis and therapy of gout flare.

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LncRNAs Landscape in the patients of primary gout by Microarray Analysis

Project description:To determine the expression profile and clinical significance of long non-coding RNAs (lncRNAs) in peripheral blood mononuclear cells (PBMCs) of patients with primary gout and healthy control subjects. Human lncRNA microarrays were used to identify the differentially expressed lncRNAs and mRNAs in primary gout (n=6) and healthy subjects (n=6). Bioinformatics analyses were performed to predict the roles of differently expressed lncRNAs and mRNAs. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to validate the results in 64 gout patients, and 32 healthy control subjects (HC). The microarray analysis identified 1479 differentially expressed lncRNAs (879 up-regulated and 600 down-regulated), 862 differentially expressed mRNAs (390 up-regulated and 472 down-regulated) in primary gout (fold change>2, P<0.05), respectively. The bioinformatic analysis indicated that the differentially expressed lncRNAs regulated the abnormally expressed mRNAs, which were involved in the pathogenesis of gout through several different pathways. Significant association was observed between these lncRNAs and the Clinical inflammation indicators and lipid metabolism indicators. Our results provide novel insight into the mechanisms of primary gout, and reveal that ENST00000566457 and NR-026756 could effectively discriminate the gout group and the healthy control groups.

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Proteome signatures of inflammatory activated primary human peripheral blood mononuclear cells

Project description:Primary human peripheral blood mononuclear cells were isolated from full blood by standard ficoll centrifugation. Cells were washed and processed immediately.

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Single-Cell RNA sequencing reveals blood immune features of gout remission patients with monosodium urate crystal deposition.

Project description:As a prominent feature of gout, monosodium urate (MSU) crystal deposition can induce gout flare, yet its impact on blood immune in gout remission patients still remains unclear. In this study, single-cell RNA sequencing (scRNA-seq) is used to compare the gene expression profiling of peripheral blood mononuclear cells (PBMCs) among intercritical gout remission patients, advanced gout remission patients and healthy volunteers. The increase of HLA-DQA1high classical monocytes, and their important role in immune inflammatory responses and osteoclast differentiation are discovered in advanced gout remission patients. Moreover, the differentiation level of CD8+T cells are found to elevate in advanced gout remission patients, which is further validated via flow cytometry. It is also observed that pathways related to bone metabolism and inflammatory responses are overactive in advanced gout remission patients. By analysis on intercellular communication network, immune-related cell-cell interactions among PBMCs are shown to enhance in both intercritical and advanced gout remission patients. The analyses on gene expression and LC-MS/MS together indicate the increased metabolic level of arachidonic acid in gout remission patients with MSU deposition at the intercritical and advanced stage. The study reveals distinctive blood immune characteristics in gout remission with MSU deposition, which provides more sights into its pathogenesis.

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Signature of circular RNAs in peripheral blood mononuclear cells (PBMCs) from patients with active tuberculosis

Project description:The knowledge of circRNAs in tuberculosis (TB) remains limited. Aim of the present study was to characterize the expression profiles and potential function of circRNAs in human peripheral blood mononuclear cells (PBMCs) from patients with active TB.

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Circular RNA Profiling in Peripheral Blood Mononuclear Cells from Retinopathy of Prematurity

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Expression profile of circRNA in peripheral blood mononuclear cells of patients with rheumatoid arthritis

Project description:In order to identify new biomarkers for the diagnosis of rheumatoid arthritis, we used circRNA microarray technology to screen the differential expression of circRNA in peripheral blood mononuclear cells of patients with rheumatoid arthritis. We identified a total of 399 differentially expressed circRNAs in RA patients and healthy controls, of which 149 circRNAs were significantly up-regulated in RA patients and 250 were down-regulated. Among them, hsa_circRNA_101328 may be a potential biomarker for the diagnosis of RA.

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