Determine the presence of the human sequence of Ang-(1-12) in the plasma of ten normal male and female hypertensive patients at baseline and after 4 weeks on Lisinopril 40mg every day. Measure concentrations of Ang-(1-12) in either spot urine collections from ten male and female hypertensive patients at baseline and after 4 weeks of Lisinopril 40mg every day.
Determine the presence of the human sequence of Angiotensin-(1-12) in plasma of ten untreated hypertensive subjects and after 4 week with Lisinopril 40 mg every day. Determine the blood pressure reduction with Lisinopril 40mg.