Table 1 The role of exosomal circRNAs in tumour immunity.

From: Roles of exosomal circRNAs in tumour immunity and cancer progression

Cancer types

Source cell

Exosomal circRNA

Receptor cells

Molecular axis

Functions

Result

Oesophageal squamous cell carcinoma

Cancer cell

Circ0048117

Macrophages

circ0048117/miR-140/TLR4

M1-M2

Immune escape

Non-small cell lung cancer

CircFARSA

circFARSA/PTEN/PI3K/AKT

Hepatocellular carcinoma

Circ0074854

 

Glioma

CircNEIL3

CircNEIL3/IGF2BP3/YAP1

Colorectal cancer

CircPACRGL

Neutrophil

circPACRGL/miR-142-3p/miR-506-3p-TGF-β1

N1-N2

Hepatocellular carcinoma

CircUHRFI

NK cell

circUHRF1/miR-449c-5p/TIM-3

NK Cell Exhaustion

Ovarian cancer

Circ0001068

T cell

circ0001068/miR-28-5P/PD1

T cell apoptosis, disintegration, inhibition of proliferation

Non-small cell lung cancer

CircUSP7

circUSP7/miR-934/SHP2

Lung adenocarcinoma

CircRNA-002178

circRNA-002178/miR-28-5P/PD1

Cancer cell

circRNA-002178/miR-34/PDL1

Colorectal cancer

Cancer-associated fibroblast

CircEIF3K

circEIF3K/miR-214/PDL1