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Reconfigurable DNA Nanocage for Protein Encapsulation and Regulation
Xu Chang1, Qi Yang1, Jung Yeon Lee1
1Department of Chemistry, Rutgers University, Newark, New Jersey 07102, United States.
Journal of the American Chemical Society
|September 14, 2024
Summary
Researchers created a reconfigurable DNA nanocage that can capture and control protein activity. This dynamic nanomachine offers a new strategy for protein regulation with potential therapeutic applications.
Area of Science:
- Biotechnology
- Nanotechnology
- Molecular Engineering
Background:
- Precise control over biomolecules is crucial for nanotechnology and therapeutics.
- Developing dynamic nanomachines for molecular regulation remains a challenge.
Purpose of the Study:
- To develop a reconfigurable DNA nanocage for protein encapsulation and activity modulation.
- To demonstrate precise control over the nanocage's shape and protein accessibility.
Main Methods:
- Designed and constructed a multistage reconfigurable DNA nanocage with adjustable strut architecture.
- Incorporated aptamers for specific protein targeting (thrombin).
- Investigated nanocage reconfiguration and its effect on protein activity.
Main Results:
- Achieved precise control over DNA nanocage reconfiguration into pyramid, square, and linear shapes.
- Successfully encapsulated thrombin and inhibited its coagulation activity using aptamer-functionalized nanocages.
- Demonstrated reversible protein activity control by altering nanocage conformation.
Conclusions:
- The reconfigurable DNA nanocage provides a versatile platform for dynamic nanomachine design.
- This approach enables precise protein encapsulation and activity regulation.
- Offers potential for future therapeutic applications in controlling biomolecular functions.
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