Table I. List of 31 common exosomal proteins identified in this study and in exosomes derived from urine and mast cells.

	Gene symbol	Protein name
1	PDCD6IP	Programmed cell death 6-interacting protein
2	CFL1	Cofilin 1 (non-muscle)
3	CLIC1	Chloride intracellular channel 1
4	ENO1	Enolase 1 (α)
5	GNAI3	Guanine nucleotide-binding protein (G protein), α-inhibiting activity polypeptide 3
6	GNB1	Guanine nucleotide-binding protein (G protein), β polypeptide 1
7	SFN	Stratifin
8	EHD4	EH domain-containing 4
9	ANXA6	Annexin A6
10	ANXA11	Annexin A11
11	HSPA8	Heat shock 70-kDa protein 8
12	HSP90AA1	Heat shock protein 90 kDa α (cytosolic), class A member 1
13	HSP90AB1	Heat shock protein 90 kDa α (cytosolic), class B member 1
14	ARF1	ADP-ribosylation factor 1
15	PFN1	Profilin 1
16	PGK1	Phosphoglycerate kinase 1
17	PKM2	Pyruvate kinase, muscle
18	RAB5A	RAB5A, member RAS oncogene family
19	RAB5B	RAB5B, member RAS oncogene family
20	RAB5C	RAB5C, member RAS oncogene family
21	RAC1	Ras-related C3 botulinum toxin substrate 1 (Rho family, small GTP-binding protein Rac1)
22	RAP1B	RAP1B, member of RAS oncogene family
23	ACTB	Actin, β
24	SDCBP	Syndecan-binding protein (syntenin)
25	ACTC1	Actin, α, cardiac muscle 1
26	TF	Transferrin
27	ACTG1	Actin, γ 1
28	YWHAB	Tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein, β polypeptide
29	YWHAE	Tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein, ϵ polypeptide
30	YWHAG	Tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein, γ polypeptide
31	YWHAZ	Tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein, ζ polypeptide