Table 3. Summary of the time of induction/repression of differentially expressed proteins in LECs treated with 40 μM arsenite for 24 h and the critical time after which addition of NAC to arsenite-treated cells fails to restore the protein expression level to that of control.

Spot no./identified protein	Time of onset of induction/repression (h)*	Critical time for failure of NAC effect (h)†
1. HSP70	4	2
2. AR	6	2
3. GAPDH	12	8
4. HO-1	8	6
5. HSP27	2	4
6. FLC	2	4
7. αB-C (phosphorylated)	4	4
8. αB-C	6	2

* Data are derived from Figure 3(B).

† Data are derived from Figure 6(A).