Volume 19, Number 3—March 2013
Research
Lack of Norovirus Replication and Histo-Blood Group Antigen Expression in 3-Dimensional Intestinal Epithelial Cells
Figure 4
![Three-dimensional (3-D) INT-407 intestinal cell aggregates do not express the histo-blood group antigens important for Norwalk virus (NV) attachment. Monolayer (ML) INT-407, 3-D INT-407 aggregates, and Caco-2 ML (positive control) were labeled with 2 different H type 1 (BG-4 and UEA-1) antibodies and with antibodies against H type 2, Leb, and Lea (green) and imaged by confocal immunofluorescence microscopy. Nuclei were counterstained with 4',6-diamidino-2-phenylindole (blue). Scale bars = 50 μm.](/eid/images/12-1029-F4.jpg)
Figure 4. . . Three-dimensional (3-D) INT-407 intestinal cell aggregates do not express the histo-blood group antigens important for Norwalk virus (NV) attachment. Monolayer (ML) INT-407, 3-D INT-407 aggregates, and Caco-2 ML (positive control) were labeled with 2 different H type 1 (BG-4 and UEA-1) antibodies and with antibodies against H type 2, Leb, and Lea (green) and imaged by confocal immunofluorescence microscopy. Nuclei were counterstained with 4',6-diamidino-2-phenylindole (blue). Scale bars = 50 μm.
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