Blood advances

Reducing Blood Vessel Leakiness Using Targeted Delivery of VE-Cadherin mRNA

Updated

Abstract

Essence

Anti-CD31 targeted VE-cadherin mRNA LNPs reduced vascular leakage in mouse models of lung edema and ischemic stroke.

Evidence

This was a preclinical mRNA-delivery study in multiple mouse vascular hyperpermeability models, where a single aCD31/tLNP-VEc dose reduced fluid extravasation and macrophage infiltration in bleomycin lung edema and cut post-stroke brain plasma protein leakage by 50%.

Caveat

The study is limited to mouse models and acute permeability endpoints, so human benefit, dosing window, and safety were not tested.

Simplified

Full Text

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Funding

Competing interests

Conflict-of-interest disclosure: T.E.P. and H.P. are inventors on a patent related to this study (University of Pennsylvania); and are named on additional patents that describe the use of nucleoside-modified messenger RNA and targeted lipid nanoparticles as platforms to deliver therapeutic proteins and vaccines, and these interests have been fully disclosed to the University of Pennsylvania and approved plans are in place for managing any potential conflicts arising from licensing. O.A.M.-C. is a scientific founder of NanoMuse. The remaining authors declare no competing financial interests.
PubMed

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