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Related Experiment Video

Updated: Mar 12, 2026

In Vesiculo Synthesis of Peptide Membrane Precursors for Autonomous Vesicle Growth

In Vesiculo Synthesis of Peptide Membrane Precursors for Autonomous Vesicle Growth

Published on: June 28, 2019

Extracellular vesicle engineering using a small scaffold protein.

Wenjing Yan^1,2, Shizhi Wang³, Haibin Hao⁴

¹Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China.

Nature Communications

|March 11, 2026

Summary

This summary is machine-generated.

Engineered extracellular vesicles (EVs) using a novel scaffold protein, EN144, effectively deliver therapeutics. These enhanced EVs show promise for treating inflammatory diseases like sepsis and osteoarthritis.

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Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro

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Last Updated: Mar 12, 2026

In Vesiculo Synthesis of Peptide Membrane Precursors for Autonomous Vesicle Growth

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Published on: June 28, 2019

Optimizing Extracellular Vesicle Delivery Using a Core-Sheath 3D-Bioprinted Scaffold for Chronic Wound Management

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Published on: February 28, 2025

Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro

Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro

Published on: April 8, 2020

Area of Science:

Biotechnology
Nanomedicine
Molecular Biology

Background:

Extracellular vesicles (EVs) are biocompatible drug-delivery systems.
Engineering EVs with scaffold proteins enhances targeting and cargo loading.
Limited options exist for simple, short scaffold proteins.

Purpose of the Study:

Identify novel scaffold proteins for EV engineering.
Develop engineered EVs for targeted drug delivery.
Evaluate therapeutic potential in inflammatory disease models.

Main Methods:

Mass spectrometry-based proteomic analysis to identify scaffold proteins.
Genetic engineering of extracellular vesicles using a truncated ENPP1 variant (EN144).
In vitro and in vivo studies in mouse models of sepsis and osteoarthritis.

Main Results:

ENPP1 identified as a superior scaffold protein for EV engineering.
EN144 variant efficiently loads diverse therapeutic cargoes and outperforms conventional scaffolds.
Engineered decoy EVs potently inhibit IL-6 trans-signaling, reducing inflammation and improving survival in sepsis and osteoarthritis models.

Conclusions:

EN144 is a minimal, high-performance scaffold for engineering extracellular vesicles.
Engineered EVs demonstrate broad therapeutic potential for inflammatory diseases.
This approach advances EV-based drug delivery and regenerative medicine.