(A-B) Peripheral blood monocytes were mock or HCMV infected, or treated with GM-CSF or M-CSF for (A) 24 h or (B) 30 m. (C-D) Monocytes were pretreated with LY294002 (a PI3K inhibitor), MK, or rapamycin (a mTOR inhibitor) for 1 h. Following treatment with inhibitors, cells were mock or HCMV infected for (C) 24 h or (D) 30 min. (A-D) Levels of p-S6K (T389), and S6K were detected by immunoblotting from whole cell lysates. Membranes were then reprobed for β-actin as a loading control. Data are representative of 3–6 independent blood donors.