Table 2: Comparison of MSC and fibroblast characteristics.

A. Surface marker expressions
Features	Criteria		References
Marker	MSC	Fibroblasts
CD73	Present	Present	[43,48,63-65]
CD105	Present	Present	[43,63-66]
CD90	Present	Present	[43,48,63-66]
CD44	Present	Present	[43,48,63]
CD49b	Present	Present	[66]
CD20	Absent	Absent	[64]
CD45	Absent	Absent	[43,48,63-66]
CD34	Absent	Absent	[43,64,66]
CD11a	Absent	Absent	[66]
CD14	Absent	Absent	[64,65]
HLA-DR	Absent	Absent	[65,66]
CD34	Absent	Absent	[43,66]
CD117	Absent	Absent	[66]
CD133	Absent	Absent	[43]
CD33	Absent	Absent	[66]
CD31	Absent	Absent	[43,48]
CD10	Present	Absent	[66]
CD26	Present	Absent	[66]
CD54	Present	Absent	[67]
CD106	Present	Absent	[63,66]
CD146	Present	Absent	[63,66]
ITGA11	Present	Absent	[63]
B. Multi-lineage differentiation and proliferation strength
Features	Criteria		References
Potency	MSC	Fibroblasts
Osteogenesis	Present	Present	[68]
Adipogenesis	Present	Present	[69-71]
Chondrogenesis	Present	Present	[72,73]
Colony-forming potential	Present	Absent	[48]