Table 1. Summary of the relationship between nucleotide metabolism and tumor immunity.

Nucleotide	Targets	Immune cells
Purines	MICA	Natural killer cells
	A1, A2A, A2B and A3	Monocytes, Macrophages
	A2A	Dendritic cells
	A2A	Natural killer cells
	A2A, A2B	T cells, Regulatory T cells