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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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Related Experiment Video

Updated: Aug 6, 2025

The Synthesis of RGD-functionalized Hydrogels as a Tool for Therapeutic Applications
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Hydrogels for RNA delivery.

Ruibo Zhong1, Sepehr Talebian2,3, Bárbara B Mendes4

  • 1Center for Nanomedicine and Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.

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|March 21, 2023
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Summary
This summary is machine-generated.

Hydrogels offer a promising macroscopic approach for RNA delivery, enhancing stability and enabling controlled release for improved therapeutic efficacy and reduced toxicity.

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Area of Science:

  • Biomaterials Science
  • RNA Therapeutics
  • Drug Delivery Systems

Background:

  • RNA therapeutics show promise for genetic disease intervention, with clinical success relying on modifications for stability and delivery.
  • Current RNA delivery methods often involve molecular or nanoscale strategies.
  • Macroscopic hydrogels offer unique advantages for RNA delivery due to their properties.

Purpose of the Study:

  • To provide a comprehensive overview of hydrogel applications in RNA therapy.
  • To discuss hydrogel design strategies for controlled RNA release.
  • To highlight biomedical applications and future perspectives in RNA delivery using hydrogels.

Main Methods:

  • Reviewing literature on hydrogel loading of RNA molecules.
  • Analyzing hydrogel design principles for controlled release kinetics.
  • Summarizing existing biomedical applications of hydrogel-based RNA delivery.

Main Results:

  • Hydrogels provide a versatile platform for encapsulating and delivering RNA therapeutics.
  • Engineered hydrogels allow for precise spatiotemporal control over RNA release.
  • These systems can potentially minimize systemic toxicity and enhance in vivo efficacy.

Conclusions:

  • Hydrogels represent a significant advancement in RNA delivery systems.
  • Further research into hydrogel design and application holds great potential for RNA-based therapies.
  • Addressing current challenges will unlock the full therapeutic potential of hydrogels for RNA delivery.