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Therapeutic potential of microRNA in meniscal repair and regeneration
George Jacob1, Kazunori Shimomura2, Hiroto Hanai3
1Department of Orthopaedics, VPS Lakeshore Hospital, Cochin, Kerala, India; Avant Orthopaedics, Cochin, Kerala, India.
Background:
Managing meniscal injuries is challenging due to the complex nature of the tissue and its limited healing capacity. MicroRNAs (miRNAs) are key regulators of cellular processes, making them promising candidates for therapeutic interventions aimed at enhancing meniscal repair. This study explores the potential role of miRNAs in meniscal healing.
Methods:
A comprehensive literature search was conducted in July 2024 using the PubMed (MEDLINE) and EMBASE databases, without any date restrictions. Relevant studies involving the use of miRNAs in meniscal injury or repair were identified, and a narrative review was performed.
Results:
The search yielded three in-vitro studies and one animal study, with no clinical studies found. The identified studies suggest that miRNAs may enhance meniscal healing by promoting angiogenesis and reducing inflammation.
Conclusions:
This review underscores the emerging potential of miRNA-based therapies for meniscal repair and regeneration. While progress has been made in understanding the mechanisms of action, several challenges remain before clinical application, including safety concerns, the need for standardized protocols, and the development of clinical-grade miRNA products.
Insights
MicroRNAs (miRNAs) show promise for enhancing meniscal repair by promoting healing and reducing inflammation. Further research is needed to overcome challenges before clinical application of these novel therapies.
Area of Science:
- Biomedical research
- Regenerative medicine
- Molecular biology
Background:
- Meniscal injuries present significant management challenges due to poor tissue healing capacity.
- MicroRNAs (miRNAs) are critical regulators of cellular functions and potential therapeutic targets for tissue repair.
- Understanding miRNA roles is crucial for developing innovative treatments for meniscal damage.
Purpose of the Study:
- To explore the potential role of microRNAs (miRNAs) in promoting meniscal healing.
- To review existing literature on miRNA applications in meniscal injury and repair.
- To identify current research trends and future directions in miRNA-based meniscal regeneration.
Main Methods:
- A comprehensive literature search was performed using PubMed and EMBASE databases in July 2024.
- No date restrictions were applied to identify all relevant studies.
- A narrative review methodology was employed to synthesize the findings.
Main Results:
- The literature search identified three in-vitro and one animal study focusing on miRNAs in meniscal healing.
- No clinical studies investigating miRNA-based meniscal repair were found.
- Preliminary findings suggest miRNAs may enhance meniscal healing by stimulating angiogenesis and reducing inflammation.
Conclusions:
- MicroRNA-based therapies represent an emerging strategy for meniscal repair and regeneration.
- Significant challenges, including safety, standardization, and clinical-grade product development, must be addressed for clinical translation.
- Further investigation is warranted to fully elucidate miRNA mechanisms and facilitate their therapeutic application in orthopedics.
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