Figure 4
From: Snail promotes an invasive phenotype in lung carcinoma
Snail immunoreactivity in carcinoma cell lines. A. SK-LU-1 carcinoma cell line, B. SK-LU-1 snail knockdown cell line, C. SK-MES-1 cell line and D. SK-MES-1 snail knockdown cell line. Scale bars are 200 μm. Snail positivity is showed with arrows (→) in figures A and C. lack of snail expression is pointed with arrows (→) in figures B and D.