Table 1.

Surface markers on mesenchymal stromal cells and exosomes

Species	Source	Positive antigens	Negative antigens	References
Human	Bone marrow	CD13, CD29, CD44, CD71, CD90, CD106, CD120a, CD124, CD271, CD146, Stro-1, SSEA-4	CD14, CD34, CD45	[65, 66]
Rabbit	Bone marrow	CD29, CD73, CD105, CD146	CD34, CD45	[45]
Rat	Bone marrow	CD29, CD44, CD90	CD34, CD11, CD45	[52, 53]
Mice	Bone marrow	Sca-1, CD29	CD45, CD11b	[64, 65]
Human	Adipose	CD13, CD29, CD44, CD73, CD90, CD105, CD271, CD146	CD31, CD34, CD45, Stro-1, SSEA-4	[46, 47]
Rabbit	Adipose	CD29, CD44, α-SMA, CD90	CD34, CD45	[58, 59]
Rat	Adipose	CD44, CD73, CD90	CD34, CD45, CD11b	[48, 49]
Mice	Adipose	CD29, CD105	CD34, CD45	[57]
Human	Synovial fluid/synovium	CD13, CD73, CD90, CD105, Stro-1, SSEA-4, CD146	CD11b, CD14, CD19, CD34, CD45, CD79b, CD271, HLA-DR	[32, 55, 56]
Human	Blood	CD29, CD73, CD90, CD105, CD146, CD166	CD45, Stro-1, SSEA-4, CD271	[67]
Horse	Blood	CD73, CD90, CD105, CD146		[70]
Human	Term placenta	CD29, CD44, CD73, CD90, CD105, SSEA-4	CD11b, CD14, CD19 CD31, CD34, CD45, Stro-1, HLA‐DR, CD271	[60, 61]
Human	Amniotic fluid	CD73, CD90, CD105	CD31, CD34, CD45	[54]
Human	Umbilical cord	CD73, CD90, CD105	CD11b, CD14, CD19, CD34, CD45, HLA-DR, CD271, SSEA-4	[62]
Human	Trabecular bone	CD90, CD73, CD105, CD166, CD106, CD146	CD14, CD19, CD34, CD45	[63]
Human	BM-MSC-Exos	CD9, CD81, TSG101	Calnexin	[68]
Rabbit	BM-MSC-Exos	CD9, HSP70		[75]
Rat	BM-MSC-Exos	CD63, CD81, TSG101	Calnexin	[76]
Mice	BM-MSC-Exos	CD63, CD81, syntenin 1, TSG101		[64, 77]
Human	AT-MSC-Exos	CD9, CD63, CD73, CD81, CD90, CD146, TSG 101, HLA-ABC	Calnexin, CD45, HLA-DR	[68]
Human	SF-MSC-Exos	CD9, CD63, CD81, TSG101		[32]
Human	UC-MSC- Exos	CD63	Calnexin	[62]

MSCs Mesenchymal stromal cells, BM bone marrow, AT adipose tissue, UC umbilical cord, SF synovial fluid, Exos exosomes, CD cluster of differentiation, SSEA-4 stage-specific embryonic antigen-4, α-SMΑ α-smooth muscle actin, HLA human leukocyte antigen, TSG101 Recombinant Tumor Susceptibility Gene 101, HSP70 heat-shock protein 70