Research Article

Effect of the Antihypertensive Drug Enalapril on Oxidative Stress Markers and Antioxidant Enzymes in Kidney of Spontaneously Hypertensive Rat

Table 1

Effect of enalapril treatment on urinary protein, creatinine clearance, kidney TAS, TBARS, SOD, and CAT levels in treated and untreated WKY and WKY administered L-NAME rats.

ParametersGroups
AgeWKYWKY+EWKY+LNWKY+E+LN

TAS (umol/mg protein)4 weeks2.52 ± 0.03
16 weeks3.21 ± 0.063.34 ± 0.06
28 weeks3.47 ± 0.043.48 ± 0.052.67 ± 0.123.68 ± 0.06

TBARS (umol/mg protein)4 weeks1.87 ± 0.05
16 weeks1.96 ± 0.111.94 ± 0.16
28 weeks2.28 ± 0.112.23 ± 0.133.05 ± 0.122.15 ± 0.06

SOD (U/mg protein)4 weeks82.50 ± 5.8
16 weeks78.50 ± 3.9482.33 ± 2.53
28 weeks79.50 ± 3.1078.83 ± 2.2061.33 ± 1.1774.83 ± 0.95

CAT (U/mg protein)4 weeks857 ± 21
16 weeks781 ± 14706 ± 7
28 weeks768 ± 12698 ± 15725 ± 22699 ± 16

Urinary protein (mg/day)4 weeks0.98 ± 0.22
16 weeks5.16 ± 0.416.08 ± 0.42
28 weeks5.28 ± 0.345.95 ± 0.439.19 ± 0.395.80 ± 0.30

Creatinine clearance (mL/min)4 weeks0.59 ± 0.05
16 weeks1.69± 0.061.67 ± 0.07
28 weeks1.79± 0.081.77 ± 0.081.47 ± 0.031.76 ± 0.07

Values are expressed as mean ± SEM ( per group).
WKY: WKY with no treatment, WKY+E : WKY+enalapril, WKY+LN : WKY+L-NAME, and WKY+E+LN : WKY+enalapril+L-NAME.
and WKY+LN compared to WKY, WKY+E, and WKY+E+LN.