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High Throughput MicroRNA Profiling: Optimized Multiplex qRT-PCR at Nanoliter Scale on the Fluidigm Dynamic ArrayTM IFCs
Published on: August 3, 2011
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Recent advances in lateral flow assays for MicroRNA detection
Nasim Barzegar Nafari1, Majid Zamani2, Bashir Mosayyebi3
1Department of Pharmaceutical Science, Faculty of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran.
Clinica Chimica Acta; International Journal of Clinical Chemistry
|December 16, 2024
Summary
Advanced lateral flow assays (LFAs) offer rapid, sensitive detection of microRNAs (miRNAs) for disease diagnosis. Innovations like CRISPR and AI enhance accuracy, enabling point-of-care testing even in low-resource settings.
Area of Science:
- Biomarker detection
- Point-of-care diagnostics
- Molecular diagnostics
Background:
- MicroRNAs (miRNAs) are crucial biomarkers for disease diagnosis and prognosis, especially in cancer.
- Traditional methods like quantitative PCR are sensitive but complex, costly, and require technical expertise.
- Lateral flow assays (LFAs) offer a simple, affordable, and portable alternative for rapid miRNA detection.
Purpose of the Study:
- To review recent advancements in LFAs for enhanced miRNA detection sensitivity and specificity.
- To explore innovative strategies for improving LFA performance in clinical diagnostics.
- To highlight the potential of LFAs for point-of-care miRNA analysis.
Main Methods:
- Signal amplification strategies including isothermal methods.
- Application of CRISPR/Cas systems for direct miRNA targeting.
- Integration of nanomaterials (gold nanoparticles, nanorods) for signal enhancement.
- Utilizing artificial intelligence (AI) algorithms for automated quantification.
Main Results:
- Demonstrated detection of miR-21 at 20 pM and let-7a at 40 pM within ten minutes.
- Significant improvements in sensitivity and specificity of LFA devices for miRNA detection.
- Successful development of LFA devices capable of simultaneous multi-miRNA detection.
Conclusions:
- Recent innovations have substantially improved LFA sensitivity and specificity for miRNA detection.
- LFAs show great promise for accurate, rapid, and accessible clinical diagnostics, particularly for cancer.
- The integration of advanced technologies like CRISPR, nanomaterials, and AI is key to unlocking the full potential of LFAs.
