Table 2.

Genes for P2 purinergic receptors: fold differences for the comparison of expression in smooth muscle cells (SMC, n=3), interstitial cells of Cajal (ICC, n=3) and PDGFRα⁺ cells (n=3) vs. total cell population (TCP, n=6).

Gene Symbol	Gene Name	Fold Difference SMC vs TCP	P-Value	Fold Difference ICC vs TCP	P-Value	Fold Difference PDGFRα+ vs TCP	P-Value
P2rx1	purinergic receptor P2X, ligand-gated ion channel, 1	1.45	0.0059	−1.16	0.5143	2	0.0316
P2rx2	purinergic receptor P2X, ligand-gated ion channel, 2	0	0.0000	−3.25	0.0012	−3.94	0.0003
P2rx3	purinergic receptor P2X, ligand-gated ion channel, 3	−55.8	0.0055	−3.66	0.0158	1.53	0.0844
P2rx4	purinergic receptor P2X, ligand-gated ion channel, 4	1.05	0.7840	1.79	0.0035	1.77	0.0342
P2rx5	purinergic receptor P2X, ligand-gated ion channel, 5	−1.91	0.0258	−5.07	0.0038	1.85	0.0249
P2rx6	purinergic receptor P2X, ligand-gated ion channel, 6	−5.09	0.0008	2.07	0.0009	1.1	0.3311
P2rx7	purinergic receptor P2X, ligand-gated ion channel, 7	−33.61	0.0079	−6.78	0.0124	3.88	0.0008
P2ry1	purinergic receptor P2Y, G-protein coupled 1	−1.87	0.0087	−2.51	0.0035	15.98	0.0000
P2ry2 2	purinergic receptor P2Y, G-protein coupled	1.08	0.5929	1.94	0.0110	3.3	0.0033
P2ry4	purinergic receptor P2Y, G-protein coupled 4	1.02	0.9396	1.99	0.0167	−1.67	0.1645
P2ry6	purinergic receptor P2Y, G-protein coupled 6	−4.02	0.0000	1.53	0.0159	−2.22	0.0002
P2ry12	purinergic receptor P2Y, G-protein coupled 12	−2.48	0.0015	−1.62	0.0076	1.53	0.1043
P2ry13	purinergic receptor P2Y, G-protein coupled 13	1.07	0.5779	1.5	0.0083	8.78	0.0004
P2ry14	purinergic receptor P2Y, G-protein coupled 14	6.01	0.0009	−2.24	0.0107	3.19	0.0004