The Werner syndrome helicase protein is required for cell proliferation, immortalization, and tumorigenesis in Scaffold Attachment Factor B1 deficient mice
Figure 6. Cellular morphology of MEFs. Representative phase-contrast photographs of wild type, WrnΔhel/Δhel, Safb1-null, and Safb1-null/WrnΔhel/Δhel MEFs after the fifth passage in culture. Magnification 600X.