Table 1.

Antibodies used in immunoblotting.

Species	Target	Dilution	Denaturation	Clone	Company
m	Claudin 1	1 µg/mL	95 °C	Polyclonal	Thermo Fisher, Rockford, IL, USA
m	Claudin 2	0.5 µg/mL	95 °C	12H12	Thermo Fisher, Rockford, IL, USA
m	Claudin 2	0.5 µg/mL	9 M Urea, 55 °C	12H12	Thermo Fisher, Rockford, IL, USA
rb	Claudin 4	1 µg/mL	95 °C	3E2C1	Thermo Fisher, Rockford, IL, USA