Research Article

Age- and Gender-Related Differences in Renal Vascular Responses to Angiotensin II in Rats: The Role of the Mas Receptor

Table 1

The values of body weight (BW), kidney weight (KW), and KW/100 g BW in all experimental groups.

AgeGenderGroupBW (g)Left KW (g)Left KW (g)/100 g BWRight KW (g)Right KW (g)/100 g BW

8–12 weeksMVehicle242.6 ± 16.911 ± 0.060.41 ± 0.011 ± 0.060.41 ± 0.01
FVehicle164.5 ± 7.170.67 ± 0.020.41 ± 0.020.67 ± 0.020.41 ± 0.02
MA779221.8 ± 8.160.84 ± 0.040.38 ± 0.010.84 ± 0.040.38 ± 0.02
FA779171.66 ± 5.32##0.7 ± 0.03#0.40 ± 0.010.69 ± 0.03#0.4 ± 0.01
value0.00010.00010.520.00010.58

AgeGenderGroupBW (g)Left KW (g)Left KW (g)/100 g BWRight KW (g)Right KW (g)/100 g BW

24–28 weeksMVehicle319.66 ± 13.721.15 ± 0.050.36 ± 0.011.1 ± 0.050.34 ± 0.01
FVehicle211.5 ± 6.87∆∆∆0.77 ± 0.01 ∆∆∆0.36 ± 0.010.75 ± 0.02∆∆∆0.35 ± 0.01
MA779334.16 ± 171.1 2 ± 0.040.33 ± 0.011.07 ± 0.050.32 ± 0.01
FA779227.5 ± 7.57$$$0.87 ± 0.03$$$0.38 ± 0.010.85 ± 0.03$$0.37 ± 0.02
value0.00010.00010.10.00010.28

Data were expressed as the mean ± standard error of the mean. and represent significant differences in comparison to the 8–12-week male receiving vehicle; # and ## show significant differences in comparison to the 8–12-week male receiving A779; ∆∆∆ shows a significant change compared with the 24–28-week male receiving vehicle; $$ and $$$ reveal significant differences in comparison to the 24–28-week male receiving A779.