MKI67 and Barrett esophagus: This elevated level of BrdU+Ki67+ cell density under BE condition was significantly different from the control condition (Fig 1K; two-way ANOVA test, F(2, 29) = 6.97, p = 0.0034; Tukey-Kramer post hoc test, p = 1.9x10-6 for control vs BE mice).