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Published on: June 15, 2018
MicroRNA in Fibrotic Disorders: A Potential Target for Future Therapeutics
Aanushka Mehjabin1, Maliha Kabir1, Luigina Micolucci2
1Science and Math Program, Asian University for Women, 4000 Chattogram, Bangladesh.
Abstract:
Fibrotic disorders are defined by accumulating excessive extracellular matrix (ECM) components, especially collagens, in various organs, leading to tissue scarring and organ dysfunction. These conditions are associated with significant challenges in the healthcare system because of their progressive nature and limited treatment options. MicroRNAs (miRNAs) are small non-coding RNA molecules (approximately 22 nucleotides) that modulate gene expression by selectively targeting mRNAs for degradation or translational repression. MiRNAs have recently been identified as potential targets for therapeutic developments in fibrotic disorders. They play vital roles in inducing fibrotic phenotype by regulating fibroblast activation and ECM remodeling. Multiple strategies for targeting specific miRNAs in fibrotic disorders have been explored, including antisense oligonucleotides, small molecule modulators, and natural compounds. This review discussed the role of miRNAs in different fibrotic disorders, including cardiac fibrosis, liver fibrosis, kidney fibrosis, lung fibrosis, dermal fibrosis, and primary myelofibrosis, with recent advances in developing miRNA-based therapeutics.
Insights
Fibrotic disorders involve excessive tissue scarring due to extracellular matrix buildup. MicroRNAs (miRNAs) are emerging as key therapeutic targets for treating these progressive fibrotic diseases.
Area of Science:
- Biomedical Science
- Molecular Biology
- Genetics
Background:
- Fibrotic disorders are characterized by excessive extracellular matrix (ECM) deposition, leading to organ scarring and dysfunction.
- These progressive conditions present significant healthcare challenges due to limited therapeutic options.
- MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression and play crucial roles in fibrotic processes.
Purpose of the Study:
- To review the role of miRNAs in various fibrotic disorders.
- To discuss recent advances in miRNA-based therapeutic strategies for fibrosis.
Main Methods:
- Literature review of studies on miRNAs and fibrotic disorders.
- Analysis of miRNA involvement in fibroblast activation and ECM remodeling.
- Examination of therapeutic approaches targeting miRNAs.
Main Results:
- MiRNAs are implicated in the pathogenesis of cardiac, liver, kidney, lung, dermal fibrosis, and primary myelofibrosis.
- Targeting specific miRNAs offers a promising therapeutic avenue.
- Various strategies, including antisense oligonucleotides and small molecule modulators, are being explored.
Conclusions:
- MiRNAs are critical regulators of fibrotic disorders.
- MiRNA-based therapeutics represent a novel and evolving approach to combat fibrosis.
- Further research holds potential for developing effective treatments for fibrotic diseases.
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