Table 2. Urea and diffusional water... | Rockefeller University Press

Table 2.

Urea and diffusional water permeability in human RBCs: Effect of thiourea and urea

	P_u	SD	n	Inhibition	P_d	SD	n	Inhibition
	cm/s × 10⁴			%	%			%
Control	2.30	± 0.15	6	−	2.45	± 0.16	6	−
+Thiourea	0.64^{^a}	± 0.15	6	72.2	2.37^{^b}	± 0.10	4	3.2
+Urea	1.31^{^c}	± 0.03	2	43.0	2.29^{^c}	± 0.19	4	6.5

	P_u	SD	n	Inhibition	P_d	SD	n	Inhibition
	cm/s × 10⁴			%	%			%
Control	2.30	± 0.15	6	−	2.45	± 0.16	6	−
+Thiourea	0.64^{^a}	± 0.15	6	72.2	2.37^{^b}	± 0.10	4	3.2
+Urea	1.31^{^c}	± 0.03	2	43.0	2.29^{^c}	± 0.19	4	6.5

P_u and P_d values were determined at 25°C, pH 7.2. The urea concentration was 1 mM.

30 mM thiourea.

500 mM thiourea.

500 M urea.