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Primer-Free Aptamer Selection Using A Random DNA Library
Published on: July 26, 2010
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Selection of aptamers for AMACR detection from DNA libraries with different primers
Deng-Kai Yang1,2, Chia-Fu Chou2, Lin-Chi Chen1
1Department of Bio-Industrial Mechatronics Engineering, National Taiwan University No. 1 Roosevelt Road Section 4 Taipei Taiwan 10617 R. O. C chenlinchi@ntu.edu.tw +886-2-2362-7620 +886-2-3366-5343.
RSC Advances
|May 11, 2022
Summary
Researchers developed a new library-based method to create DNA aptamers targeting alpha-methylacyl-CoA racemase (AMACR). This approach yielded diverse aptamers, including one that detects AMACR overexpression in prostate cancer cells.
Area of Science:
- Biochemistry
- Molecular Biology
- Biotechnology
Background:
- Alpha-methylacyl-CoA racemase (AMACR) is implicated in prostate cancer progression.
- Developing specific and sensitive detection methods for AMACR is crucial for cancer diagnostics.
Purpose of the Study:
- To investigate aptamer selection against AMACR using diverse DNA libraries.
- To generate aptamers with varied structural and binding properties for AMACR detection.
Main Methods:
- Utilized three DNA libraries with different primers for aptamer selection against AMACR.
- Characterized aptamers for diverse structural properties, including pre-folded and induced-folding conformations.
- Constructed a dimeric aptamer from selected candidates.
Main Results:
- Discovered aptamers with varied structural properties due to selection diversity.
- Developed a dimeric aptamer capable of detecting AMACR overexpression.
- Demonstrated AMACR detection in prostate cancer cell lines.
Conclusions:
- A library-based approach enables the isolation of aptamers with distinct binding characteristics.
- The study provides versatile aptamers for flexible AMACR detection strategies.
- This work contributes to the development of novel diagnostic tools for prostate cancer.
