Figure 6
From: Development of a serum-free co-culture of human intestinal epithelium cell-lines (Caco-2/HT29-5M21)
Localization of alkaline phosphatase activity (in red) by cytochemistry in a co-culture of Caco-2 and HT29-5M21. Groups sharing the same letter are significantly different (a p < 0.01; b,c p < 0.001, N = 4).