Related Experiment Video
Updated: Jun 20, 2026
10:01
The Visual Colorimetric Detection of Multi-nucleotide Polymorphisms on a Pneumatic Droplet Manipulation Platform
Published on: September 27, 2016
Detection of SNP by the isothermal smart amplification method
Alexander Lezhava1, Yoshihide Hayashizaki
1Genome Exploration Research Group, Genomic Sciences Center (GSC), RIKEN Yokohama Institute, Tsurumi-ku, Yokohama, Kanagawa, Japan.
Methods in Molecular Biology (Clifton, N.J.)
|September 22, 2009
Summary
A new DNA amplification method, Smart Amplification process 2 (SmartAmp 2), offers a sensitive and rapid solution for point-of-care diagnostics. This technology accurately detects genetic variations from crude samples in under 40 minutes.
Area of Science:
- Molecular Diagnostics
- Biotechnology
- Translational Medicine
Background:
- Complex molecular diagnostic assays hinder point-of-care (POC) applications.
- There is a growing demand for rapid and accurate diagnostic technologies at the POC.
Purpose of the Study:
- To develop a sensitive, accurate, rapid, and simple DNA amplification method for POC diagnostics.
- To enable translational medicine applications from pharmacogenomics to POC testing.
Main Methods:
- Developed the "Smart Amplification process 2" (SmartAmp 2), an isothermal DNA amplification scheme.
- Utilized unique primer design and background suppression technology for amplification from crude cell lysates.
- Demonstrated complete suppression of mismatch amplification for reliable results.
Main Results:
- SmartAmp 2 assay demonstrated high specificity, detecting single-nucleotide differences like somatic mutations and single nucleotide polymorphism (SNP) variants.
- Achieved reliable diagnostic results based solely on amplification.
- Obtained mutation detection and SNP genotyping results in 30-40 minutes from sample preparation.
Conclusions:
- SmartAmp 2 is a promising technology for sensitive, specific, and rapid molecular diagnostics at the point-of-care.
- The method simplifies DNA amplification, overcoming a key barrier in POC diagnostic assay development.
- SmartAmp 2 facilitates translational research and clinical applications, including pharmacogenomics and tumor mutation detection.
