SCIENTIFIC HUB

Follow the evidence.

SCIENTIFIC LITERATURE · MED

Protocol for ultracentrifugation-based isolation and characterization of extracellular vesicles from FGF2-primed astrocytes.

STAR Protoc · 2026-07-24

DOI: 10.1016/j.xpro.2026.104733PMID: 42497057

Open accessresearch-article; Journal ArticleOriginal source ↗

Research overview

The text below is the source article’s original abstract under a verified reuse license. cc by

Extracellular vesicles (EVs) mediate intercellular communication by transferring bioactive molecular cargo. We present a protocol for isolating EVs from fibroblast growth factor-2 (FGF2)-primed primary mouse astrocytes using differential ultracentrifugation. We describe steps for primary astrocyte culture, FGF2 priming, EV isolation, and comprehensive characterization encompassing transmission electron microscopy (TEM). We then detail procedures for nanoparticle tracking analysis (NTA), western blotting, and mass spectrometry-based proteomic analysis. EVs isolated by this approach protect against mitochondrial and synaptic toxicity in Parkinson's disease models. For complete details on the use and execution of this protocol, please refer to Wen et al.1.

Scientific assessment

01

Research question

Assess the question within the original study’s scope.

02

Methods & sample

Check the source article for study design and sample details.

03

Key findings

An editorially approved findings summary is not yet published for this record.

04

Limitations

Generalizability, bias and clinical meaning require separate assessment.

Methods, samples and clinical conclusions are not inferred from bibliographic metadata.