Table 1.

Surface marker phenotype and in vitro/in vivo differentiation of human endometrial stem cells

Cell type	Positive marker	Negative marker	In vitro and in vivo differentiation	References
MenSCs	CD73, CD90, CD105, CD13, CD44, CD29, CD9, CD44, CD41a, CD59	CD19, CD34, CD45, CD117, CD130, HLA-DR	Adipocytes, osteocytes, cardiomyocytes, neurocytes, respiratory epithelial cells, endothelial cells, myocytes, hepatic cells, pancreatic cells, and germ-like cell	[42, 43]
Endometrial SPs of epithelial origin	CD9, CD90, CD105, CD73, CD45, CD34, CD31, CD133, stro-1	CD9, CD13	Adipocytes, osteocytes	[96, 97]
Endometrial SPs from the stromal compartment	Vimentin, CD90, CD73, CD45, CD34, CD31, CD133, stro-1	CD9, CD13, CD105, ERα, PR	Adipocytes, osteocytes	[97]
SUSD2+ eMSCs	CD29, CD44, CD73, CD90, CD105, CD117, CD140b, CD146, and STRO-1, NTPDase2	CD31, CD45	Adipocytes, osteocytes, chondrocytes, myocytes, endothelial cells	[12]
CD140b+CD146+ eMSCs	CD29, CD44, CD73, CD90, CD105, CD140b, CD146	CD31, CD34, CD45	Osteocytes, myocytes, adipocytes, chondrocytes, fibroblasts and smooth muscle cell	[12, 14, 15]
CD146+ cells	CD10, CD13, CD44, CD73, CD90, and CD105	CD31, CD34, CD45, CD56, CD144, CD9	Adipocytes, osteoblasts, and neuron-like cells, glial-like cells	[19, 21]
Epithelial stem/progenitor cells	N-cadherin, SSEA-1, Axin 2		Entire complement of glandular lineages, endometrial organoids	[104, 107, 150]

MenSCs menstrual stem cells, SPs side population cells, eMSCs endometrial mesenchymal stem cells