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Role of microRNA-155 in autoimmunity
Rui-Xue Leng1, Hai-Feng Pan, Wei-Zi Qin
1Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, PR China.
Abstract:
MicroRNAs (miRNAs) have recently emerged as a major class of gene expression regulators linked to most biological functions. MiR-155 is encoded within a region known as B cell integration cluster (Bic) gene, identified originally as a frequent integration site for the avian leukosis virus. Disregulation of endogenous miR-155 has been implicated in the pathogenesis of human cancers. Recently, aberrant expression of miR-155 was observed in many autoimmune conditions, including rheumatoid arthritis (RA), multiple sclerosis (MS), and systemic lupus erythematosus (SLE). Moreover, functional analysis demonstrated that miR-155 has powerful regulatory potential in a wide variety of immune cells through targeting specific mRNAs. Since pathogenic immune cells play a pivotal role in pathogenesis of human autoimmune diseases, miR-155 might be a versatile therapeutic target. This review will discuss the current understandings for the role of miR-155 in autoimmunity.
Insights
MicroRNAs (miRNAs), specifically miR-155, are key gene regulators implicated in autoimmune diseases like rheumatoid arthritis and multiple sclerosis. Targeting miR-155 in immune cells offers a promising therapeutic strategy for these conditions.
Area of Science:
- Molecular Biology
- Immunology
- Genetics
Background:
- MicroRNAs (miRNAs) are crucial gene expression regulators involved in numerous biological processes.
- MiR-155, encoded by the B cell integration cluster (Bic) gene, is linked to cancer pathogenesis.
- Aberrant miR-155 expression is observed in autoimmune diseases such as rheumatoid arthritis (RA), multiple sclerosis (MS), and systemic lupus erythematosus (SLE).
Purpose of the Study:
- To review the current understanding of miR-155's role in autoimmunity.
- To explore miR-155 as a potential therapeutic target in autoimmune diseases.
Main Methods:
- Literature review of studies investigating miR-155 in autoimmune conditions.
- Analysis of functional data on miR-155's regulatory role in immune cells.
Main Results:
- MiR-155 dysregulation is associated with the pathogenesis of several autoimmune diseases.
- MiR-155 exhibits significant regulatory potential in various immune cells by targeting specific messenger RNAs (mRNAs).
Conclusions:
- Pathogenic immune cells are central to autoimmune disease development.
- MiR-155 represents a versatile therapeutic target for autoimmune diseases due to its role in immune cell regulation.
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