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. 2013 Jan 31;2013:845816. doi: 10.1155/2013/845816

Figure 3.

Figure 3

Apoptosis induction and cell survival. 48 hours after transduction with pNRTA vector, apoptosis was induced in HL-1 cells following the exposure to Tet as indicated. Cells were then washed and trypsinized, and live cells were counted by trypan blue exclusion. (a) Number of viable, NRTA-transduced, HL-1 cells after exposure to the indicated amount of Tet for 24 hours. (b) Number of viable, untransduced, HL-1 cells after exposure to the indicated amount of Tet for 24 hours. (c) Number of viable HL-1 cells (transduced and untransduced) after exposition at the indicated amount of Tet for 24 hours. (d) HL-1 cells transduced with pNRTA vector. (e) HeLa cells transduced with pNRTA vector. (f) HL-1 cells transduced with empty pTY2 vector. (g) HeLa cells, transduced with empty pTY2 vector. Cell survival in panels (d) to (g) are expressed as a fraction of live cells over total cells. −Tet: cells unexposed with tetracycline; +Tet: cells exposed to 1 μg/mL tetracycline.