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Automated System for Single Molecule Fluorescence Measurements of Surface-immobilized Biomolecules
Published on: November 2, 2009
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RETRACTED: AptaFluorescence: An aptamer-based fluorescent imaging protocol for biomolecule visualization
Crystal Chia Yin Ling1, Melissa Jane Fullwood1
1School of Biological Sciences, Nanyang Technological University, Singapore, Singapore.
Plos One
|December 27, 2024
Summary
A novel aptamer-based method, AptaFluorescence, offers distinct visualization of biomolecules like c-MYC. This technique provides a valuable alternative to antibodies, especially for challenging targets in biological research.
Area of Science:
- Biotechnology
- Molecular Biology
- Cell Biology
Background:
- Immunofluorescence relies on antibody-antigen interactions for cellular biomolecule visualization.
- Challenges exist in obtaining specific and high-affinity antibodies for certain protein targets.
- Complex or low-abundance proteins are particularly difficult to target effectively with antibodies.
Purpose of the Study:
- To develop a novel aptamer-based protocol for in vitro biomolecule visualization.
- To address limitations associated with antibody-based detection methods.
- To provide an alternative for visualizing biomolecules when specific antibodies are unavailable.
Main Methods:
- Developed AptaFluorescence, a protocol using fluorescently labeled aptamers for biomolecule detection.
- Aptamers are nucleic acid molecules with high specificity for target biomolecules.
- Evaluated AptaFluorescence targeting the c-MYC protein in engineered U2OS cells.
Main Results:
- AptaFluorescence provided more distinct signals compared to traditional immunofluorescence.
- The protocol successfully differentiated between cells with and without c-MYC expression.
- Demonstrated reliable visualization of the c-MYC protein.
Conclusions:
- AptaFluorescence is a novel, user-friendly protocol for aptamer-based biomolecule visualization.
- This method offers broad applicability in biological research.
- AptaFluorescence is particularly useful when specific antibodies are lacking.
