Table 1.

Antibodies used for the immunostaining experiment. ZO-1: zonula occludens-1.

Protein Target	Antibody Reference	Fixation/Permeabilization	Antibody Dilution
Claudin-3	34–1700 (Invitrogen)	Ice-methanol 1′	1:40
Claudin-5	34–1600 (Invitrogen)	Ice-methanol 1′	1:100
Occludin	71–1500 (Invitrogen)	Ice-methanol 1′	1:50
ZO-1	61–7300 (Invitrogen)	Paraformaldehyde 1% 10′; 3 PBS-CMF rinses of 5′; Triton X100 0.1% 10′	1:200