Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Concentration-response curves of (A) chloroquine, (B) phenanthroline, and (C) isoproterenol in human bronchi pretreated or not with the PI3K inhibitors wortmannin (0.5 μM) and PI-828 (2 μM overnight). The results are expressed as a percentage of the relaxation observed with 3 mM theophylline (mean ± SEM from 5 to 8 independent experiments). *p < 0.05; **p < 0.01 and ***p < 0.001 vs. control.
