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Updated: Jun 26, 2026

In vivo Application of the REMOTE-control System for the Manipulation of Endogenous Gene Expression
Published on: March 29, 2019
Remote optical switch for localized and selective control of gene interference.
Somin Eunice Lee1, Gang Logan Liu, Franklin Kim
1Department of Bioengineering, University of California-Berkeley, CA, USA.
Gold nanoplasmonic particles act as light-controlled optical switches for gene interference. This novel technique enables precise spatial and temporal control over gene silencing, minimizing cellular damage.
Area of Science:
- Biotechnology
- Nanotechnology
- Molecular Biology
Background:
- Gene interference techniques are crucial for studying gene function.
- Current methods often lack precise spatial and temporal control.
- Gold nanoplasmonic particles (GNPs) offer unique optical properties.
Purpose of the Study:
- To develop a novel gene-interfering technique with enhanced spatial and temporal control.
- To utilize light-activated gold nanoplasmonic particles as optical switches for gene silencing.
- To minimize cellular photodamage during gene interference procedures.
Main Methods:
- Functionalization of gold nanoplasmonic particles with double-stranded oligonucleotides.
- Tuning optical switches to near-infrared wavelengths to minimize cellular photodamage.
- Remote optical excitation to trigger the release of gene-interfering oligonucleotides at specific intracellular locations.
Main Results:
- Demonstrated successful remote optical control of gene interference using GNPs.
- Achieved precise spatial and temporal liberation of gene-interfering oligonucleotides.
- Validated a novel gene-interfering method with unprecedented control.
Conclusions:
- Light-activated gold nanoplasmonic particles serve as effective optical switches for gene interference.
- This technique provides unparalleled spatial and temporal control over gene silencing.
- The method offers a significant advancement over conventional gene-interfering strategies.
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