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. 2010 Jul 1;101(10):2220–2226. doi: 10.1111/j.1349-7006.2010.01662.x

Figure 4.

Figure 4

 Parental (○) and resistant (△) SK‐BR‐3 cells were treated with threefold serial dilutions of (A) lapatinib ranging from 0.05 to 12.15 μmol/L for 72 h or (B) bortezomib ranging from 1 to 243 nmol/L for 72 h. Cell viability for parental and resistant SK‐BR‐3 cells was assayed using Cell Counting Kit‐8 and expressed as relative to the untreated control cells. Bortezomib reduced cell survival to a similar degree in the parental and resistant SK‐BR‐3 cells (P > 0.05). Representative results are from at least three independent occasions.