Table 1.

Pattern of ectonucleotidases expression in non-malignant blood cells.

Antigen	Cell population	Expression levels	References
CD38			(18, 20)
	B cells
	Progenitors	++
	Naive	±
	Naive activated	+
	GC B cells	++
	Post-GC	+
	Memory B cells	-
	Plasmablast	++
	Plasmacell	+++
	T cells
	Naïve	+
	Stem cell memory	±
	Activated	+
	NK cells	++
	Myeloid cells
	Inflammatory MF	+++
	Dendritic cells
	Immature	±
	Mature	+
CD157			(25)
	B cells
	Progenitors	+
	T cells
	Pre-T cells	+
	Myeloid cells
	Precursors	+
	Monocytes	+++
	Macrophages	+++
	Neutrophils	++
	Eosinophils	++
	Basophils	++
CD203a			(26)
	B cells
	Plasmacells	++
CD39			(27)
	B cells
	B regs	+++
	T cells
	CD4+	±
	CD8+	±
	Tregs	+++
	Th17	++
	NK cells	±
	Myeloid cells
	Monocytes	+++
	Myeloid-derived suppressor cells
	PMNs	+++
	Macrophages M2	++
CD73			Reviewed in (27)
	B cells	+++
	T cells
	CD4+	++
	CD8+	++
	Tregs	+++
	Th17	++
	Myeloid cells
	Myeloid-derived suppressor cells	+
	Macrophages M2	+

Expression of ectonucleotidases in B and T lymphocytes, myeloid components and natural killer cells.