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. 2001 Jul 31;98(17):9719–9723. doi: 10.1073/pnas.171321498

Figure 1.

Figure 1

Western blot analysis of SMAD4 and β-actin in colorectal cancer cell lines. Shown are the results of Western blot analysis using the B8 antibody against SMAD4, and a monoclonal anti-β-actin for four cell lines (LS180, C99, CX1, and COLO678). Note the complete absence of SMAD4 expression in CX1 and COLO678.

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