Table 1.

Signal transmission between drug-resistant cells and sensitive cells.

Disease	Cells	Drug resistance	Exosomal RNA	Mechanism/pathway	References
Lung cancer		Cisplatin	miR-100-5p	mTOR	(43)
Hepatocellular carcinoma	Bel/5-FU Bel7402	Multidrug resistance	miR-32-5p	PTEN/PI3K/Akt	(44)
Breast cancer	MCF-7	Adriamycin	miR-222		(45)
Colon cancer	RKO Caco-2	Cetuximab		PTEN/Akt	(46)
non-small cell lung cancer	A549-GR	Gemcitabine	miR-222-3p	SOCS3	(47)
Hepatocellular carcinoma	HepG2 PLC-PRF5	Sorafenib	linc-RoR	TGFβ	(48)
Renal Cancer		Sunitinib	lncARSR	miR-34/miR-449 AXL/c-MET	(49)