Table 1. Immunophenotype of cultured... | American Society of Hematology

Table 1.

Immunophenotype of cultured first-trimester fetal mesenchymal stem/progenitor cells

Antigen	Fetal blood	Reactivity
Antigen	Fetal blood	Fetal liver	Fetal bone marrow
CD45^*	−	−	−
CD14^*	−	−	−
CD68^†	−	−	−
CD29^*	+	+	+
CD44^*	+	+	+
CD105^*	±	±	±
CD106^†	+	+	+
CD31^*	−	−	−
vWF^†	−	−	−
CD34^*	−	−	−
HLA-DR^*	−	−	−
SH2^*	+	+	+
SH3^*	+	+	+
SH4^*	+	+	+
Myoglobin^†	−	−	−
α-smooth muscle actin^†	±	±	±
Prolyl-4-hydroxylase^†	+	+	+
Collagen type 1^†	−	−	−
Fibronectin^†	+	+	+
Laminin^†	+	+	+
Vimentin^†	+	+	+

Antigen	Fetal blood	Reactivity
Antigen	Fetal blood	Fetal liver	Fetal bone marrow
CD45^*	−	−	−
CD14^*	−	−	−
CD68^†	−	−	−
CD29^*	+	+	+
CD44^*	+	+	+
CD105^*	±	±	±
CD106^†	+	+	+
CD31^*	−	−	−
vWF^†	−	−	−
CD34^*	−	−	−
HLA-DR^*	−	−	−
SH2^*	+	+	+
SH3^*	+	+	+
SH4^*	+	+	+
Myoglobin^†	−	−	−
α-smooth muscle actin^†	±	±	±
Prolyl-4-hydroxylase^†	+	+	+
Collagen type 1^†	−	−	−
Fibronectin^†	+	+	+
Laminin^†	+	+	+
Vimentin^†	+	+	+

Assessed by flow cytometry.

Assessed by in situ immunocytochemistry.

− indicates no cells stained positively; ±, 10% to 15% of cells stained positively; +, more than 99% of cells stained positively.