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. Author manuscript; available in PMC: 2006 Jun 23.
Published in final edited form as: J Periodontol. 2005 Jul;76(7):1189–1201. doi: 10.1902/jop.2005.76.7.1189

Figure 2.

Figure 2

Microscopic examination of time course exposure of HPLF, GMSM-K, and HeLa cell cultures to the CDT.Top row: untreated (–CDT) cell cultures after incubation for 0, 48, or 96 hours. Remaining rows: cell cultures treated (+CDT) with 18 μg protein/ml of CDT-containing extract from E. coli BL-21(DE3) (pET15bcdt).