Table 1.

Surface molecule expression of equine fetal liver isolated leukocytes

Percent Positive Cells Measured with Flow Cytometry
Markers	Fetus 1	Fetus 2	Fetus 3	Cells that express marker
CD2	1.9	2.1	2.0	T cells, subset of B cells
CD3	0.8	0.9	1.3	T cells
CD4	1.9	1.4	2.7	T cells, subset of macrophages or dendritic cells
CD5	3.5	1.5	2.4	T cells, subset of B cells
CD8	4.1	1.0	3.0	T cells, subset of macrophages or dendritic cells
CD19-like	1.0	0.4	1.6	B cells
IgM	0.9	0.5	1.4	B cells
CD11b	2.6	NM	3.2	monocytes, macrophages, neutrophils, subset of B cells
CD172A	15.5	11.8	14.4	macrophages, neutrophils
CD34	2.3	NM	1.4	hematopoietic stem cells
MHCI	29.8	24.5	24.7	mature nucleated cells
MHCII	20.8	13.7	23.8	monocytes, macrophages, dendritic cells, B cells

‘NM’ indicates that the surface expression of the marker was not measured