HuAECs were harvested and cellular RNA was extracted with an RNA extraction kit (RNeasy Mini Kit, Qiagen). Specific primers for RANTES were designed and β-actin was used as an internal control. Samples were quantified by qPCR with the iTaq Universal Sybr Green One Step Kit (Bio-Rad) on a Lightcycler 96 (Roche) thermocycler. Fold change from the uninfected, untreated control was calculated according to the ΔΔCt method.
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