Table 1 Features of cell-derived exosomes regulated by biochemical and biophysical cues in cell microenvironment.

From: Microenvironmental cue-regulated exosomes as therapeutic strategies for improving chronic wound healing

Origin cells

Biochemical/biophysical cues

Exosome features

Mechanisms

Experimental protocols/methods

Refs.

Cardiac progenitor cells

Hypoxia

Cargo selection: increased miR-292, miR-103, miR-210, etc.

 

Gene expression qPCR array

34

Adipose MSCs

Hypoxia

Cargo selection: increased VEGF, FGF, EGF, VEGF-R, MCP

 

Protein array

23

HIF-1α-overexpressing MSCs

Hypoxia

Cargo selection: increased Jagged1

 

Protein array;

western blotting

37

Mast cells

Oxidative stress

Cargo selection: mRNA alteration

 

RNA microarray analysis

35

Human placenta-derived MSCs

Nitric oxide

Cargo selection: increased VEGF, miR-126

 

qRT-PCR;

Elisa;

western blotting

38

Human umbilical cord MSCs

3,3′-diindolylmethane

Cargo selection: increased Wnt-11

Wnt/β-catenin signaling activation

Elisa;

western blotting

41

Tumor cells

(e.g., myeloma, lymphoblastoid, and breast cancer)

Heparanase

Production: increased exosome secretion;

Cargo selection: increased syndecan-1, VEGF, and HGF

 

NanoSight analysis;

Elisa

42

EBV-infected cells

Aspirin

Cargo selection: reduced latent membrane protein 1 and increased miR-203

NF-κB activation

qRT-PCR;

western blotting

44

Epithelial cells and monocytes

Simvastatin

Production: reduced exosomes synthesis, localization, and secretion

Partially related to cholesterol reduction

Semi-quantitative fluorescent bead-based assay;

western blotting

45

Adipose MSCs

Platelet-derived growth factor

Production: increased exosomes secretion

Cargo selection: carried c-kit and SCF

 

NanoSight analysis;

protein array;

46

Umbilical cord

derived MSCs

3D culture and tangential flow filtration

Production: enhanced exosomes yields

Transport: more efficient siRNA transfer

 

Nanoparticle tracking analysis;

fluorescent staining

51

MLE-12 lung epithelial cells

Mechanical stretch

Production: increased EVs release

Cargo selection: miR‐690, miR-711 and miR‐let‐7c‐5p, etc.

 

Nanoparticle tracking analysis;

miRNA microarray analysis

22

HUVECs

Shock wave

Production: increased exosomes release

Cargo selection: miR-7i, miR-19a, miR-19b

Stimulating nSMAse2-catalyzed and GW 4869-sensitive ceramide formation

Nanoparticle tracking analysis;

flow cytometry;

qPCR array

53

Endothelial cells infected with Kaposi’s sarcoma-associated herpesvirus (KSHV)

Temperature

Production: storage temperature rose, EVs decreased

Transport: less C5b-9 at −20 °C than 4 °C and −70 °C, the least C5b-9 at 37 °C

 

Nanoparticle tracking analysis;

Elisa

56

Bone marrow dendritic cells

Low-intensity pulsed ultrasound

Cargo selection: enriched miRNA-16 and miRNA-21

 

qRT-PCR;

western blotting

57

U87MG glioma cells

Ionizing radiation

Production: increased exosomes release

Cargo selection: increased IGFBP2 and CTGF

Activation of p53

Nanoparticle tracking analysis;

RNA microarray analysis;

western blotting

58