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Related Concept Videos

Transformation01:26

Transformation

422
Microbial communities are dynamic environments where cell lysis releases free DNA into the surroundings. Other cells can take up this extracellular DNA through a process known as transformation.When a cell incorporates this foreign DNA into its genome, resulting in genetic modification, the process is known as transformation. Cells capable of this process are termed competent. Competence can be natural, as observed in certain bacteria and archaea, or artificially induced in the...
422

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Dynameric Frameworks for DNA Transfection.

Luminita Marin1, Daniela Ailincai1, Manuela Calin2

  • 1INTELCENTRU, "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, 41A Aleea Gr. Ghica Voda, Iasi, Romania.

ACS Biomaterials Science & Engineering
|January 9, 2021
PubMed
Summary
This summary is machine-generated.

Researchers developed a dynamic constitutional strategy to create efficient nonviral vectors for DNA delivery. These novel dynameric frameworks (DFs) improve cellular DNA uptake and cell viability, offering a promising alternative to existing methods.

Keywords:
DNAcellular transfectiondynamersmolecular recognition

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Area of Science:

  • Biotechnology and Genetic Engineering
  • Materials Science and Nanotechnology
  • Cell Biology

Background:

  • Designing effective nonviral vectors for cellular DNA delivery is a significant challenge.
  • Variability in DNA targets and cell types hinders the development of highly active vectors.
  • Current nonviral vectors often face limitations in efficiency and cell viability.

Purpose of the Study:

  • To introduce a dynamic constitutional strategy for the design and selection of novel nonviral vectors.
  • To develop adaptable dynameric frameworks (DFs) capable of efficient DNA transfection.
  • To optimize vector performance for enhanced DNA binding, transfection yield, and cell viability.

Main Methods:

  • Employed a dynamic constitutional strategy based on reversible recombination of building blocks.
  • Synthesized multivalent core-shell dendritic architectures with controlled diameter (approx. 100 nm).
  • Screened and selected dynameric frameworks (DFs) in the presence of specific DNA targets.

Main Results:

  • Identified optimal dynameric frameworks (DFs) exhibiting superior DNA binding capabilities.
  • Achieved higher transfection yields compared to the standard SuperFect transfection agent.
  • Demonstrated high viability of HEK 293T cells post-transfection, indicating minimal toxicity.

Conclusions:

  • The dynamic constitutional strategy enables the adaptive generation of efficient nonviral vectors.
  • Selected DFs represent a significant advancement in creating biologically friendly and cost-effective gene delivery systems.
  • This approach offers a pathway toward novel, high-performance nonviral vectors for diverse applications.