as soon as 6 days after the addition of suramin ( 100 micrograms/ml ) in the culture medium , the cells form a polarized monolayer of regular columnar cells with occluding junctions delimiting two distinct membrane domains ( apical and basolateral ) and an apical brush-border expressing alkaline phosphatase and sucrase-isomaltase .
C0007634
cells
C0242358
occluding