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Updated: May 22, 2026
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Target Cell Pre-enrichment and Whole Genome Amplification for Single Cell Downstream Characterization
Published on: May 15, 2018
[Low volume amplification in single cell separation and inspection].
Jun-Ping Han1, Cai-Xia Li, Hong Yan
1Chinese People's Public Security University, Beijing 100038, China.
Fa Yi Xue Za Zhi
|May 25, 2012
Summary
Optimizing DNA amplification in single cell analysis using 0.2 mL tubes improved detection rates. This method enhances single-cell separation and inspection, offering a viable alternative to chip-based low-volume amplification.
Area of Science:
- Molecular Biology
- Genetics
- Forensic Science
Context:
- Single-cell analysis is crucial for genetic studies and forensic applications.
- Traditional methods often require larger sample volumes, posing challenges for limited cell numbers.
- The 0.2 mL test tube offers a potential low-volume solution for DNA amplification.
Purpose:
- To determine optimal DNA amplification conditions using 0.2 mL test tubes for single-cell separation and inspection.
- To evaluate the impact of proteinase K, gold enzyme concentration, and PCR cycles on amplification efficiency.
- To compare detection rates, allelic dropout, and artificial alleles across different conditions.
Summary:
- Oral epithelial cells were processed, and 5-10 cells were collected in 0.2 mL tubes.
- DNA amplification was performed using the Identifiler Plus kit under varied conditions (proteinase K, enzyme concentration, PCR cycles).
- Optimal conditions involved proteinase K addition, 0.4 μL gold enzyme, and 32 PCR cycles, yielding higher detection and lower allelic dropout rates.
Impact:
- The 0.2 mL test tube method provides an effective, low-volume amplification strategy for single-cell analysis.
- This technique can supplement existing chip-based low-volume amplification methods.
- Improved single-cell DNA amplification enhances applications in diagnostics and forensics.
