Table 2.

The effects of PGE₂ (50 µM) and the L-type Ca²⁺ channel antagonist nifedipine (1 µM) on properties of SMCs and their spontaneous depolarizations (sDep)

	Control	PGE2 (50 µM) + nifedipine (1 µM)	P
RMP (mV)	−43.8 [−60.7 to −36.5]	−33.5 [−55.8 to −24.9]	<0.01
sDep
Frequency (Hz)	0.3 [0.1–0.7]	0.2 [0.0–0.6]	NS (0.29)
Amplitude (mV)	4.7 [3.3–5.4]	3.9 [3.4–5.4]	NS (0.08)
Interval (s)	2.6 [1.1–6.3]	2.9 [1.1–7.2]	NS (0.11)
Rise time (ms)	19 [12–25]	18 [9–21]	NS (0.29)
No. events	301 [148–2602]	569 [102–688]
na	7	7

Data shown are median [range]. n_a, number of animals. NS denotes P > 0.05.