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Related Experiment Video

Updated: May 8, 2026

Formulating and Characterizing Lipid Nanoparticles for Gene Delivery using a Microfluidic Mixing Platform
09:41

Formulating and Characterizing Lipid Nanoparticles for Gene Delivery using a Microfluidic Mixing Platform

Published on: February 25, 2021

Decoding Undesirable Inflammatory Responses of Nucleic Acid-Delivering Lipid Nanoparticles.

Ruimin Hu1,2,3,4, Yin Dou2,3,4, Chenwen Li2,3,4

  • 1Department of Urology, The First Affiliated Hospital (Southwest Hospital), Army Medical University (Third Military Medical University), Chongqing, P. R. China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|May 7, 2026
PubMed
Summary

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Lipid nanoparticles (LNPs) are key for delivering genetic material but can cause inflammation. This review explores LNP-induced inflammation mechanisms and strategies to engineer safer, next-generation nanoparticles for diverse therapies.

Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Immunology

Background:

  • Lipid nanoparticles (LNPs) are crucial for nucleic acid delivery, with applications in vaccines, cancer immunotherapy, and gene editing.
  • While effective, LNPs can trigger immune responses, posing challenges for therapeutic applications beyond vaccination.

Purpose of the Study:

  • To comprehensively review LNP-associated inflammation mechanisms and mitigation strategies.
  • To provide insights for developing safer, next-generation LNPs tailored for diverse therapeutic applications.

Main Methods:

  • Analysis of molecular mechanisms driving LNP immune stimulation, including lipid components, endocytic pathways, and nucleic acid sensing.
  • Examination of modulatory factors such as LNP structure, administration routes, and biodistribution.
Keywords:
immunogenicityinflammationlipid nanoparticlesnanotherapynanovaccinenucleic acids

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Last Updated: May 8, 2026

Formulating and Characterizing Lipid Nanoparticles for Gene Delivery using a Microfluidic Mixing Platform
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Formulating and Characterizing Lipid Nanoparticles for Gene Delivery using a Microfluidic Mixing Platform

Published on: February 25, 2021

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Published on: August 23, 2024

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  • Evaluation of cutting-edge engineering approaches to circumvent LNP immunogenicity.

    • Main Results:

    • Identified key molecular drivers of LNP-induced inflammation.
    • Highlighted the impact of LNP physicochemical properties and administration on immune recognition.
    • Detailed various strategies to reduce LNP immunogenicity, including biomimetic coatings and anti-inflammatory co-delivery.

    Conclusions:

    • Understanding the interplay between LNP properties and immune responses is critical for therapeutic development.
    • Engineering strategies offer promising avenues for creating immune-evasive LNPs.
    • This review provides a foundation for designing safer and more effective LNP-based therapies.