TABLE 1.

Inner diameters of isolated perfused afferent arteriole and interlobular artery in response to elevations in perfusion pressure

Comparison of absolute values of inner diameter of isolated perfused Af-art and IA in response to elevations in perfusion pressure. Mean values ± S.E.M. are presented.

	Rats	Perfusion Pressure (mm Hg)
		60	120	180
		ID (μm)
Vessels (calcium)
Af-art	WT	17.1 ± 0.6	15.3 ± 0.7
	Dusp5 KOa	18.9 ± 0.4	13.5 ± 0.3
IA	WT	28.8 ± 3.5	28.2 ± 3.7	28.8 ± 3.8
	WT DOCAb	30.4 ± 3.1	31.4 ± 4.2	36.2 ± 4.6
	Dusp5 KOa	24.3 ± 1.9	23.1 ± 2.3	21.2 ± 1.6
	Dusp5 KO DOCAa	31.3 ± 5.5	28.2 ± 4.9	28.7 ± 4.3
Vessels (calcium Free)	Rats
Af-art	WT	17.6 ± 0.6	19.1 ± 0.7
	Dusp5 KO	18.9 ± 0.4	21.4 ± 0.5
IA	WT	48.7 ± 5.1	53.3 ± 4.6	52.6 ± 5.1
	WT DOCA	43.8 ± 3.8	45.8 ± 3.1	47.6 ± 4.2
	Dusp5 KO	44.0 ± 3.1	47.3 ± 3.2	49.4 ± 3.2
	Dusp5 KO DOCA	49.9 ± 8.2	54.5 ± 9.0	58.6 ± 10.1

^aIndicates P < 0.05 from the corresponding value in Dusp5 KO vs. WT rats.

^bIndicates P < 0.05 from DOCA-salt treated vs. baseline value within strain.