Table 2.

Comparison of prostaglandin receptors’ mRNA and protein levels in different ureteral locations

	PTGER1		PTGER2		PTGER3		PTGER4		PTGFR
	PCR	IHC	PCR	IHC	PCR	IHC	PCR	IHC	PCR	IHC
A-distal	1.00	+++	1.00	++	1.00	-	1.00	+	1.00	+++
A-middle	1.44	++	0.31	+	0.37	+++	1.27	-	0.34	++
A-proximal	3.15	+++	0.62	+	0.42	-	1.09	+	0.64	++
A-renal pelvis	2.73	++	0.55	-	0.36		1.63		0.55
B-distal	0.61	++	0.14	++	0.69	++	0.67	-	0.31	+
B-middle	0.41	++	0.22	++	0.95	++	0.87	-	0.31	++
B-proximal	0.21	++	0.20	+	1.04	++	0.83	-	0.30	+++
B-renal pelvis	1.09	++	0.30	+	0.76	+	1.00		0.33
C-distal	1.28	+++	0.46	++	0.73	++	0.81	-	0.59	+++
C-proximal	1.11	++	0.36	++	1.23	++	0.84	-	0.64	++
C-renal pelvis	3.51	+	0.29	+	2.14	+	1.80		0.49

Note: Sample A: pyelonephritis, non-obstructed; Sample B: hydronephrotic kidney, non-obstructed; Sample C: renal cella carcinoma, non-obstructed

Abbreviations: - = −; + = +; ++ = ++; +++ = +++; = tissue not available.