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. 2024 May 7;20(6):595–606. doi: 10.1007/s11302-024-10010-5

Table 1.

Expression of P2 receptors according to vascular segment in rat lungs (21, 23, 24, 28, 29, 31, 34)

LPA SPA Capillary SPV LPV
mRNA Smooth muscle cell
P2X1 (24) P2X1 (24, 34) P2Y1 (23, 34) -
P2X2 (24) P2X2 (24, 34) P2Y2 (34) -
P2X3 (24) P2X3 (24, 34) P2Y4 (34) -
P2X4 (24) P2X4 (24, 34) P2Y6 (23, 31) -
P2X5 (24) P2X5 (24, 34) P2Y12 (23) -
P2X6 (24) P2X6 (24) P2Y13 (34) -
P2X7 (24) P2X7 (24, 34) P2Y14 (34) -
Immunofluorescence Smooth muscle cell
P2X1 (24) P2X1 (24) - P2Y2 (28)
P2X2 (24) P2X2 (24) -
P2X4 (24) P2X4 (24) -
P2X5 (24) P2X5 (24) -
Smooth muscle cell + endothelial cell
P2X1 (21) P2X1 (21) P2Y2 (29)
P2X3 (21) P2X4 (21)
P2X4 (21) P2X5 (21)
P2X5 (21) P2X7 (21)
P2X7 (21)