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Figure 5 | Journal of Experimental & Clinical Cancer Research

Figure 5

From: Improved retroviral suicide gene transfer in colon cancer cell lines after cell synchronization with methotrexate

Figure 5

Internucleosomal DNA fragmentation induced by GCV. Lane 1 and lane 4 show DHDK12 cells and HT29 cells transduced with TG 9344 and treated for 96 hr with 20 μM GCV, respectively. Lane 3 and 5 show DHDK12 cells and HT29 cells transduced with TG 9344 after a 24 hr pretreatment with MTX and treated for 96 hr with 20 μM GCV, respectively. Lane 6 and 7 show DHDK12 cells and HT29 cells treated for 24 h with MTX, respectively. Lane 2 shows pBR 322 base pair size markers. Qualitative detection of DNA was achieved by ethidium bromide staining.

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