Level D· Scientific groundwork from lab and animal studiesAnimal StudyEurope PMCOpen access

Cargo proteins in extracellular vesicles: potential for novel therapeutics in non-alcoholic steatohepatitis

Kim J., Lee SK., Jeong SY., Cho HJ., Park J., Kim TM.

Animal Study, published in J Nanobiotechnology (2021) — summary generated from the PubMed abstract.

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Level D· Scientific groundwork from lab and animal studiesEvidence level of this study

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
Read the A–D evidence level guide

This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.

Study type
Animal Study
Journal
J Nanobiotechnology (2021)
Reported sample size
—
Source database
Europe PMC
PMID
34789265
PMCID
PMC8600817
DOI
10.1186/s12951-021-01120-y
Citations
29

Abstract (original English)

Background Extracellular vesicles (EVs) are recognized as novel cell-free therapeutics. Non-alcoholic steatohepatitis (NASH) remains a critical health problem. Herein, we show that EVs from pan peroxisome proliferator-activated receptor agonist-primed induced mesenchymal stem cell (pan PPAR-iMSC-EVs) has unique cargo protein signatures, and demonstrate its therapeutic function in NASH. Results A unique protein signatures were identified in pan PPAR-iMSC-EVs against those from non-stimulated iMSC-EVs. NASH mice receiving pan PPAR-iMSC-EVs showed reduced steatotic changes and ameliorated ER stress and mitochondiral oxidative stress induced by inflammation. Moreover, pan PPAR-iMSC-EVs promoted liver regeneration via inhibiting apoptosis and enhancing proliferation. Conclusions We conclude that our strategy for enriching unique cargo proteins in EVs may facilitate the development of novel therapeutic option for NASH.

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.
  • • This is preclinical work; animal or laboratory results cannot be applied to humans.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

How we grade evidence
LiverMesenchymal Stem CellsAnimalsMiceDisease Models, AnimalInflammationPeroxisome Proliferator-Activated ReceptorsNon-alcoholic Fatty Liver DiseaseExtracellular Vesicles

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