ACE activity (μU/106 cells) Baseline 24 hrs 24 hrs + Ang II Control subjects Pellet 6.1 ± 2.1 6.5 ± 1.9 9.9 ± 1.6* Supernatant n.d. 0.6 ± 0.4# 2.2 ± 0.4# Unstable angina Pellet 26.7 ± 8.9 28.1 ± 10.2 18.5 ± 3.8*# Supernatant n.d. 22.7 ± 9.5# 47.1 ± 10.4$ Hypertensives Pellet 20.30 ± 2.9 19.9 ± 1.65 17.2 ± 1.82 Supernatant n.d. 1.22 ± 0.95 11.73 ± 1.05$ n.d.: non detectable within each group studied;  *24 h + Ang II vs baseline p<0.01; #24 hrs vs. 24 h + Ang II  p<0.01;  $24hrsvs 24 hrs + Ang II p<0.001 at ANOVA unstable angina and hypertensives p<0.001 vs controls for pellet and supernatant ACE activity; unstable angina vshypertensives p<0.001 for supernatant ACE activity

Table 2: ACE activity in pellet and supernatant and Ang II pellet concentration of T-lymphocytes from controls, unstable angina and hypertensive patients without or with the addition of 10-13 mol/l Ang II in cell culture medium.