Related Experiment Video
Updated: Dec 28, 2025

In Silico Identification and Characterization of circRNAs During Host-Pathogen Interactions
Published on: October 21, 2022
Role of Host and Pathogen-Derived MicroRNAs in Immune Regulation During Infectious and Inflammatory Diseases
Kumari Chandan1, Meenakshi Gupta1, Maryam Sarwat1
1Amity Institute of Pharmacy, Amity University, Noida, India.
Abstract:
MicroRNAs (miRNAs, miRs) are short, endogenously initiated, non-coding RNAs that bind to target mRNAs, leading to the degradation or translational suppression of respective mRNAs. They have been reported as key players in physiological processes like differentiation, cellular proliferation, development, and apoptosis. They have gained importance as gene expression regulators in the immune system. They control antibody production and release various inflammatory mediators. Abnormal expression and functioning of miRNA in the immune system is linked to various diseases like inflammatory disorders, allergic diseases, cancers etc. As compared to the average human genome, miRNA targets the genes of immune system quite differently. miRNA appeared to regulate the responses related to both acquired and innate immunity of the humans. Several miRNAs importantly regulate the transcription and even, dysregulation of inflammation-related mediators. Many miRNAs are either upregulated or downregulated in various inflammatory and infectious diseases. Hence, modifying or targeting the expression of miRNAs might serve as a novel strategy for the diagnosis, prevention, and treatment of various inflammatory and infectious conditions.
Insights
MicroRNAs (miRNAs) are small non-coding RNAs regulating gene expression in the immune system. Targeting miRNA expression offers a novel strategy for diagnosing and treating inflammatory and infectious diseases.
Area of Science:
- Immunology
- Molecular Biology
- Genetics
Background:
- MicroRNAs (miRNAs) are non-coding RNAs regulating gene expression.
- miRNAs play crucial roles in immune system functions, including antibody production and inflammatory responses.
- Dysregulation of miRNAs is implicated in immune-related diseases such as inflammatory disorders, allergies, and cancers.
Purpose of the Study:
- To explore the role of miRNAs as gene expression regulators in the immune system.
- To investigate the potential of miRNAs in the context of inflammatory and infectious diseases.
Main Methods:
- Review of existing literature on miRNA function in immunity.
- Analysis of miRNA targeting mechanisms in immune system genes.
- Examination of miRNA expression patterns in inflammatory and infectious conditions.
Main Results:
- miRNAs differentially target immune system genes compared to the average human genome.
- miRNAs regulate both innate and acquired immune responses.
- Altered miRNA expression (upregulation or downregulation) is observed in various inflammatory and infectious diseases.
Conclusions:
- miRNAs are critical regulators of immune responses and inflammation.
- Targeting miRNA expression presents a promising novel strategy for the diagnosis, prevention, and treatment of immune-related and infectious conditions.
Related Concept Videos
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,...
MicroRNAs
MicroRNAs
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NF-κB-dependent Signaling Pathway
NF-κB-dependent Signaling Mechanism
The...
Antimicrobial Proteins
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...

