SA-ODG platform: a semi-automated and PCR-free method to analyse microRNAs in solid tissues.

Area of Science:

• Biochemistry
• Molecular Biology
• Genomics

Background:

• Established microRNA analysis techniques face challenges in efficiency and precision compared to protein and metabolite analysis.
• Direct detection and quantification of microRNAs in liquid biopsies were recently enabled by the innovative ODG platform, eliminating the need for extraction or amplification.

Purpose of the Study:

• To implement the ODG platform within a semi-automated protocol, creating the SA-ODG platform.
• To enhance the efficiency and precision of microRNA testing while reducing hands-on laboratory time.
• To demonstrate the SA-ODG platform's capability for direct microRNA quantification in solid tissues.

Main Methods:

• Development of a semi-automated protocol integrating the ODG platform (SA-ODG).
• Application of the SA-ODG platform for direct microRNA quantification in solid tissues.
• Validation of precise analysis using miR-122-5p in mouse liver tissues.

Main Results:

• The SA-ODG platform successfully enhanced efficiency and precision in microRNA testing.
• The SA-ODG platform demonstrated the ability to directly quantify microRNAs in solid tissues for the first time.
• Precise analysis of miR-122-5p in mouse liver tissues was achieved using the SA-ODG platform.

Conclusions:

• The SA-ODG platform represents a significant advancement in extraction and amplification-free microRNA detection.
• This technology offers improved efficiency and precision for microRNA quantification in both liquid and solid samples.
• The SA-ODG platform paves the way for more accessible and accurate microRNA analysis in various biological contexts.