Related Experiment Video
Updated: Jun 11, 2026

Detection of MicroRNAs in Microglia by Real-time PCR in Normal CNS and During Neuroinflammation
Published on: July 23, 2012
MicroRNAs in autoimmunity and inflammatory bowel disease: crucial regulators in immune response
Marisa Iborra1, Francesca Bernuzzi, Pietro Invernizzi
1Fundacion Hospital Universitari La Fe, Department of Gastroenterology, Hospital Universitari La Fe, Valencia, Spain.
Abstract:
MicroRNAs (miRNAs) have recently emerged as a new class of modulators of gene expression at the post-transcriptional level. The function of miRNA is the control of protein production by targeting mRNAs for translational repression or degradation. MiRNAs play a critical role in many biological processes such as cellular proliferation and maturation, apoptosis, regulation of chronic inflammation and development of cancer. It has recently been discovered that miRNAs are differentially expressed in autoimmune diseases (AID) and miRNA regulation may impact in the development or prevention of AID. In this paper we review the importance of miRNAs in AID in particular in inflammatory bowel disease (IBD). IBD is an AID whose pathophysiology remains uncertain. It is generally hypothesized that IBD is caused by the enteric microflora in genetically predisposed patients with an immune dysregulation in the gastrointestinal tract. Knowing the typical miRNA pattern of IBD will improve our knowledge of the pathogenesis of this disease and will lead to future well-focused projects to study the regulatory function of such miRNAs. Furthermore, it is possible that some miRNAs are specific to IBD and could serve as biomarkers with clinical applications for the diagnosis or assessment of disease activity.
Insights
MicroRNAs (miRNAs) are key regulators of gene expression involved in various biological processes. This review highlights their crucial role in autoimmune diseases, particularly inflammatory bowel disease (IBD), and their potential as diagnostic biomarkers.
Area of Science:
- Molecular Biology
- Immunology
- Genetics
Background:
- MicroRNAs (miRNAs) regulate gene expression post-transcriptionally by targeting messenger RNAs (mRNAs).
- miRNAs are vital in cellular processes including proliferation, maturation, apoptosis, inflammation, and cancer development.
- Aberrant miRNA expression is observed in autoimmune diseases (AID), suggesting a role in their pathogenesis.
Purpose of the Study:
- To review the significance of miRNAs in autoimmune diseases (AID).
- To focus on the role of miRNAs in inflammatory bowel disease (IBD), an AID with uncertain pathophysiology.
- To explore the potential of miRNAs as diagnostic biomarkers for IBD.
Main Methods:
- Literature review of current research on miRNAs in autoimmune diseases.
- Analysis of miRNA expression patterns in the context of inflammatory bowel disease (IBD).
- Discussion of the potential clinical applications of miRNA biomarkers in IBD.
Main Results:
- miRNAs are differentially expressed in autoimmune diseases (AID).
- miRNA dysregulation may influence the development or prevention of AID.
- Understanding IBD-specific miRNA patterns can elucidate disease pathogenesis.
Conclusions:
- miRNAs play a critical role in the biological processes underlying autoimmune diseases (AID).
- miRNA profiling in inflammatory bowel disease (IBD) can enhance understanding of its pathogenesis.
- Specific miRNAs associated with IBD may serve as valuable biomarkers for diagnosis and disease activity assessment.
More Related Videos
10:37Perturbations of Circulating miRNAs in Irritable Bowel Syndrome Detected Using a Multiplexed High-throughput Gene Expression Platform
Published on: November 30, 2016
07:34Induction of Intestinal Inflammation by Adoptive Transfer of CBir1 TCR Transgenic CD4+ T Cells to Immunodeficient Mice
Published on: December 16, 2021
Related Concept Videos
Inflammatory Bowel Disease III: Crohn's Disease
Inflammatory Response
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
T Cell Types and Functions
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
MicroRNAs
MicroRNAs
MicroRNAs