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. 2007 May 5;35(11):3535–3550. doi: 10.1093/nar/gkm195

Figure 4.

Figure 4.

Short- and long-term gene silencing for MRN components. (A and B) 45, 69 and 76 days after transfection, Rad50KD HeLa clones were analyzed by immunocytochemical staining (magnification ×315) or western blot. 1: Control (pBD650; day 189); 2: XPCKD cl. 21 (pBD634; day 376); 3: XPAKD clone 6 (pBD695; day 436); 4: XRCC4KD clone 9 (pBD694; day 107); 5: Control (pBD650; day 31); 6: Rad50KD clone 1 (pBD872; day 76); 7: Rad50KD clone 1 (day 45); 8: Rad50KD clone 2 (day 45); 9: Rad50KD clone 3 (day 45); 10: Rad50KD clone 4 (day 45); 11: Rad50KD clone 5 (day 45). (C) Transient gene silencing: 6 days after transfection, MRE11KD (two pEBVsiRNA plasmids), Rad50KD (one plasmid) and NBS1KD (two plasmids) cell populations were analyzed by western blot. 1: Control (pBD650; day 6); 2: MRE11KD (pBD930; day 6); 3: MRE11KD (pBD931; day 6); 4: NBS1KD (pBD932; day 6); 5: NBS1KD (pBD934; day 6); 6: ATMKD (pBD935; day 6); 7: ATMKD (pBD936; day 6); 8: ATMKD (pBD937; day 6); 9: PARGKD (pBD812; day 6); 10: Rad50KD (pBD872; day 6); 11: Control (pBD650; day 6); 12: Rad50KD (day 120). (D) Long-term gene silencing: Clones were picked up from cell populations described in the panel ‘C’ and propagated for several months in culture. 1: Control (pBD650; day 238); 2: MRE11KD cell population (pBD930; day 33); 3: MRE11KD clone 32 (pBD930; day 132); 4: Rad50KD clone 1 (pBD872; day 149); 5: NBS1KD clone 11 (pBD932; day 172); 6: DNA PKcsKD clone 1 (pBD743; day 391); 7: Ligase IIIKD clone 11 (pBD941; day 180).