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. 1999 Jul 6;96(14):8150–8155. doi: 10.1073/pnas.96.14.8150

Figure 4.

Figure 4

Pretreatment with HQ failed to protect against apoptosis induced by compounds other than HQ. KG-1a cells were pretreated with 10 μM HQ or vehicle control for 24 h. Subsequently, cells were exposed to various inducers of apoptosis for 12 h. Data are presented as mean percentage apoptotic cells ± SD (n = 4). ∗, Significantly different from that observed with the corresponding treatment in cells pretreated with PBS (P ≤ 0.05).