Comprehensive long non-coding RNA expression profiling reveals their potential roles in systemic lupus erythematosus
Lian-Ju Li1, Wei Zhao1, Sha-Sha Tao1
1Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui, China; Anhui Province Key Laboratory of Major Autoimmune Disease, Hefei, Anhui, China.
Cellular Immunology
|June 18, 2017
Summary
Long non-coding RNAs (lncRNAs) show altered expression in T cells of patients with systemic lupus erythematosus (SLE). These lncRNAs may influence disease activity and progression, suggesting a potential role in SLE pathogenesis.
Area of Science:
- Molecular Biology
- Immunology
- Genetics
Background:
- Long non-coding RNAs (lncRNAs) are key regulators of gene expression.
- The role of lncRNAs in systemic lupus erythematosus (SLE) pathogenesis is not well understood.
- Dysregulated gene expression is a hallmark of autoimmune diseases like SLE.
Purpose of the Study:
- To investigate the expression profiles of lncRNAs in T cells from SLE patients and healthy controls.
- To identify specific lncRNAs associated with SLE and explore their potential correlation with disease activity.
- To elucidate the molecular mechanisms by which lncRNAs may contribute to SLE.
Main Methods:
- Microarray analysis to determine lncRNA and mRNA expression profiles in T cells.
- Quantitative reverse transcription PCR (QRT-PCR) for validating specific lncRNA expression.
- Bioinformatic analyses including Short Time-Series Expression Miner and coding-non-coding gene coexpression analysis.
Main Results:
- Significant differential expression of 1935 lncRNAs and 1977 mRNAs was observed in SLE patients compared to controls.
- Two specific lncRNAs, uc001ykl.1 and ENST00000448942, were found to be downregulated in SLE patients.
- Expression levels of these lncRNAs correlated with clinical markers of inflammation (ESR, C-reactive protein) and autoantibodies (anti-Sm).
- lncRNAs may regulate SLE pathogenesis by modulating mRNA expression and functioning as competing endogenous RNAs (ceRNAs).
Conclusions:
- Aberrant lncRNA expression profiles are evident in T cells of SLE patients.
- Specific lncRNAs may serve as potential biomarkers for SLE disease activity and progression.
- Further research into the functional roles of these dysregulated lncRNAs is warranted to understand their contribution to SLE pathogenesis.
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