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. 2009 Mar 23;53(6):2579–2588. doi: 10.1128/AAC.01626-08

FIG. 4.

FIG. 4.

Absence of IFN-β induction in A549 cell cultures following siRNA transfection. IFN-β production levels were determined by ELISA for supernatants of nontransfected cells (cell control) and cells transfected with either siNT, siB1R-2, or siG7L-1 (100 nM = 1.6 μg/ml) or with poly(I-C) (0.5 μg/ml). Error bars represent the SD of the means of duplicates for at least two independent experiments. *, P < 0.05 [samples differ significantly from poly(I-C)] (Student's t test).