Table 2 Molecular mechanisms of EV-DNA emission listed in chronological order of evidence.

From: Extracellular vesicle-associated DNA: ten years since its discovery in human blood

Cell type

EV subtypes

EV isolation

Biogenesis mechanism

EV-DNA

Ref

Streptococcus mutans (Bacteria)

MVs

Ultracentrifugation

Sortase A

Yes

[90]

Mouse embryonic fibroblasts, Listeria monocytogenes

EVs

Ultracentrifugation

Cyclic guanosine monophosphate–adenosine monophosphate synthase (cGAS) and stimulator of interferon genes (STING) pathway

Yes

[91]

Colon adenocarcinoma (DKO-1) Glioblastoma (Gli36)

sEVs

High resolution density gradient (120,000 g for 15 h)

Autophagy and multivesicular endosome dependent

Absent in sEVs

[5]

Ovarian carcinoma (OVCAR-5)

sEVs

40,000 rpm for 120 min

Micronuclei content loaded into CD63-positive exosomes

Yes

[24]

Fibroblast (L929)

Migrasomes

20,000 g for 30 min

Migration/Mytocytosis

Yes, EV-mtDNA mutant copies

[64]

Melanoma cell (Lox)

TMVs

10,000 g for 30 min

The small GTP-binding protein ARF6 and cGAS pathway

Yes

[34]

Colorectal carcinoma (HCT116)

EVs

Ultracentrifugation

Neutral sphingomyelinase 2 (nSMase2)

Absent in sEVs

[82]

  1. In vitro studies on the molecular mechanisms of EV-DNA emission involving both bacteria and mammalian cells.