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Targeted Gastrointestinal Delivery of mRNA Lipid Nanoparticles Enables Systemic Vaccination and Glucagon-like Peptide-1 Metabolic Therapy

Academic source · ACS nano

Source published: 2026-09-28

Site published: 2026-11-03 · Updated: 2026-11-03

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What the paper reports

Investigators administered nanoparticles to several gastrointestinal submucosal sites to examine route-dependent targeting. Gastric delivery increased pancreatic exposure in rodents, while GLP-1 mRNA improved glucose regulation in mice. Buccal administration supported local and lymphatic targeting with vaccine responses. These are tissue-directed administration experiments; they do not establish that conventional swallowed nanoparticles can survive digestion and reproduce the same delivery profile.

Why this paper is included

Shows how gastrointestinal administration can redirect distribution; submucosal delivery in rodents is distinct from a validated oral capsule or human metabolic therapy.

The interpretation above is analysis, not a conclusion attributed to the original source.

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mRNA / LNP

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