Table 3.

Cell surface markers assessed from in vitro studies in cells isolated from cartilage in femur, hip, iliac crest, vertebra and knee. Negative cell surface markers were not included, such as CD45, CD34, CD14, CD11b, CD79a, CD19 and HLA-DR.

Cell Surface markers	Anatomical site	Reference
CD105, CD90 and CD73	Femur	[127]
	Hip	[71]
	Knee	[38,81,117,[127], [128], [129], [130], [131], [132], [133]]
	Not described	[71,[134], [135], [136]]
CD44	Knee	[81,[128], [129], [130],132]
	Not described	[135,136]
CD166	Femur	[127]
	Hip	[71]
	Knee	[[127], [128], [129], [130],132,133,137]
	Not described	[28,135,138]
CD29	Knee	[81,128,129,131,136,137]
STRO-1	Knee	[129]
	Not described	[134,136]
CD146	Knee	[128,132]