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Table 3 Summary of therapeutic benefits of MSC-EVs in preclinical animal models

From: Therapeutic potential of products derived from mesenchymal stem/stromal cells in pulmonary disease

EV Source

Route

Injury Model

Outcomes

Key Factor

Ref.

Human BM-MSC

IT, IV

Mouse-ALI/LPS

↓ Lung edema

↓ WBCs & neutrophils in BALF

↓ Total protein & MIP-2 in BALF

↑ KGF in BALF

KGF mRNA

[22]

Normoxia & Anoxia pretreated Human BM-MSC

IV

Mouse-ALI/LPS

↓ WBCs & neutrophils in BALF

↓ Total protein & MIP-2 in BALF

 

[94]

Untreated & Poly (I:C)–pretreated Human BM-MSC

IT, IV

Mouse-Pneumonia/E. coli

↓ Lung injury

↓ WBCs & neutrophils in BALF

↓ Total protein & MIP-2 in BALF

↓ E. coli count in BALF, lung, & blood

↑ Survival

↑ KGF in BALF

KGF mRNA

& CD44

[95]

Human BM-MSC

EV-treated AM/IN

Mouse-ALI/LPS

↓ Neutrophils in BALF

↓ Total protein & TNF-α in BALF

Mitochondria transfer

[96]

Human BM-MSC

IV

Mouse-Shock/Hemorrhage

↓ Vascular permeability

↓ RhoA GTPase activity in lung

 

[66]

Human WJ-MSC

IT

Mouse-Lung Injury/I/R

↓ Lung edema

↓ Airway resistance

↓ Pulmonary artery pressure

↓ Neutrophil in lung

↓ Inflammatroy cytokines in BALF

↑ KGF, PGE2, &IL-10 in BALF

 

[115]

Swine BM-MSC

IT

Swine-Influenza/SwIV

↓ Lung lesions

↓ WBCs in lung

↓ Inflammatory cytokines in lung

↓ Virus titer in nasal swap & lung

RNA

[101]

Mouse & Human BM-MSC

IV

Mouse-Asthma/AHE

↓ Airway hyper-responsiveness

↓ WBCs in BALF & lung

↓ Th2/Th17 related cytokines in BALF

 

[75]

Mouse BM-MSC

IV

Mouse-PAH/Hypoxia

↓ Right ventricular systolic pressure

↓ Vascular remodeling

↓ Macrophages & cytokines in lung

↓ STAT-3 in lung

 

[20]

Rat BM-MSC

IV

Rat-PAH/Monocrotaline

↓ Pulmonary artery pressure

↓ Pulmonary vascular remodeling

↓ Right ventricle pressure

↓ Right ventricular hypertrophy

 

[98]

Mouse & Human BM-MSC

IV

Mouse-PAH/ Monocrotaline

↓ Pulmonary vascular remodeling

↓ Right ventricle hypertrophy

miRNAs

[99]

Human WJ- & BM-MSC

IV

Neonatal Mouse-BPD/Hyperoxia

↑ Alveolarization

↑ Lung funcion

↓ Lung fibrosis

↓ PAH

↓ Pulmonary vasular remodeling

↓ Pro-inflammatry genes in macrophages

 

[67]

Human UC-MSC

IT

Neonatal Rat-BPD/Hyperoxia

↑ Alveolarization & angiogenesis

↓ Alveolar epithelial cell death

↓ Macrophages & cytokines in lung

VEGF

[100]

Human BM-MSC

IV

Mouse-Lung Fibrosis/Silica

↓ Size of calcified nodules in lung

↓ Hydroxyproline in lung

↓ Inflammatory cells in BALF

↓ Cytokines in BALF

miRNAs & mitochondria transfer

[17]

Human BM-MSC

IV

Mouse-Lung Fibrosis/Silica

↓ Lung collagen

↓ WBCs in BALF

 

[97]

Human ASCs

IT

Mouse-COPD/ elastase

↓ Lung emphysema

↑ FGF2 in lung

 

[116]

  1. AHEAspergillus hyphal extract, ALI – acute lung injury, AM – Alveolar macrophages, ASCs – adipose-derived mesenchymal stem cells, BALF – bronchoalveolar lavage fluid, BM-MSC – bone marrow-derived mesenchymal stem cells, FGF2 – fibroblast growth factor 2, IL-10 – interleukin 10, IN – intranasal, I/R – ischemia reperfusion, IT – intratracheal, IV – intravenous, KGF – keratinocyte growth factor, LPS – lipopolysaccharide, MIP-2 – macrophage inflammatory protein 2, miRNAs – microRNAs, OVA – ovalbumin, PAH – pulmonary artery hypertension, PGE2 – prostaglandin E2, STAT-3 – signal transducer and activator of transcription 3, SwIV – swine influanza virus H1N1, Th – T helper lymphocyte, UC-MSC – umbilical cord blood-MSC, VEGF – vascular endothelial growth factor, WBCs – white blood cells, WJ-MSC – umbilical cord Wharton’s jelly-MSC