Table 2.

P2 receptors expressed by blood cells

Cell typeP2YP2XReference no.
Rat/mouse peritonel macrophages P2Y P2X7 49,77, 79-82, 94  
BAC1.2F5 macrophages P2Y P2X7-like 83  
RAW 264.7 macrophages P2Y P2X7-like 81, 116  
J774 macrophages P2Y P2X7 60,75-77  
THP-1 macrophages P2Y2 P2X7 5,88  
KG-1 myeloblastic cells P2Y1  192  
HL-60 myeloid cells P2Y2, P2Y11 P2X1 39, 192, 232  
U937 monocytes P2Y2, P2Y6  5  
Human monocytes P2Y1, P2Y2, P2Y4, P2Y6  5, 89  
Human macrophages P2Y P2X7 77, 79, 89  
FSDC P2Y P2X7 141  
Mouse dendritic cells*  P2X7 141  
Human dendritic cells P2Y1, P2Y2, P2Y4, P2Y6, P2Y11 P2X1, P2X4, P2X5, P2X7 139, 140, 142  
Human Langerhans' cells  P2X7-like 136  
Human dendritic cells2-153  P2X7 55, 137  
P-815 mastocytoma  P2X7-like 132  
YAC lymphoma cells  P2X7-like 132  
Mouse lymphocytes  P2X7 49, 155, 166  
Murine thymocytes P2Y1, P2Y2 P2X1 164, 165, 167,168  
Human B lymphocytes P2Y P2X7 154, 158, 160, 161,162  
Human T lymphocytes  P2X1, P2X4, P2X7 163, O.R.B. et al, unpublished data, 1999  
Human PMN P2Y4, P2Y6 P2X7 5, 49  
Human platelets P2Y1 P2X1 204-209  
Erythrocytes P2Y1 P2X7-like 224,225  
RBL and rat mast cells P2Y P2X7-like 58, 59, 230,231  
Mouse hemopoietic precursors  P2X7-like 228,229  
Cell typeP2YP2XReference no.
Rat/mouse peritonel macrophages P2Y P2X7 49,77, 79-82, 94  
BAC1.2F5 macrophages P2Y P2X7-like 83  
RAW 264.7 macrophages P2Y P2X7-like 81, 116  
J774 macrophages P2Y P2X7 60,75-77  
THP-1 macrophages P2Y2 P2X7 5,88  
KG-1 myeloblastic cells P2Y1  192  
HL-60 myeloid cells P2Y2, P2Y11 P2X1 39, 192, 232  
U937 monocytes P2Y2, P2Y6  5  
Human monocytes P2Y1, P2Y2, P2Y4, P2Y6  5, 89  
Human macrophages P2Y P2X7 77, 79, 89  
FSDC P2Y P2X7 141  
Mouse dendritic cells*  P2X7 141  
Human dendritic cells P2Y1, P2Y2, P2Y4, P2Y6, P2Y11 P2X1, P2X4, P2X5, P2X7 139, 140, 142  
Human Langerhans' cells  P2X7-like 136  
Human dendritic cells2-153  P2X7 55, 137  
P-815 mastocytoma  P2X7-like 132  
YAC lymphoma cells  P2X7-like 132  
Mouse lymphocytes  P2X7 49, 155, 166  
Murine thymocytes P2Y1, P2Y2 P2X1 164, 165, 167,168  
Human B lymphocytes P2Y P2X7 154, 158, 160, 161,162  
Human T lymphocytes  P2X1, P2X4, P2X7 163, O.R.B. et al, unpublished data, 1999  
Human PMN P2Y4, P2Y6 P2X7 5, 49  
Human platelets P2Y1 P2X1 204-209  
Erythrocytes P2Y1 P2X7-like 224,225  
RBL and rat mast cells P2Y P2X7-like 58, 59, 230,231  
Mouse hemopoietic precursors  P2X7-like 228,229  

P2 receptor expression is based on functional and pharmacologic evidence, mRNA detection by reverse transcriptase–polymerase chain reaction, or reactivity with specific antibodies. For P2Y receptors, lack of a subscript indicates that, although functional and pharmacologic data show expression of P2Y receptors, the individual P2Y subtypes have not been yet identified. For P2X receptors, “P2X7-like” means that functional and pharmacologic evidence strongly suggest expression of P2X7, but molecular data are missing. Failure to list a P2Y or P2X receptor for a given cell type means that there is lack of evidence for its expression, whether at the functional, pharmacologic, or molecular level.

FSCD indicates fetal skin–derived dendritic cell; PMN, polimorphonuclear; RBL, rat basophilic leukemia.

*

Derived from bone marrow.

Derived from blood precursors.

Derived from epidermis.

F2-153

Derived from tonsils and lymph nodes.

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