Supplemental Table 2. Antibodies for Western blots and IF

Antibody	Company	Catalog #	WB Dilution	Primary
GAPDH	Cell signaling	97116	1:10000	Mouse
ZO-1	Thermo Fisher	40-2200	1:1000	Rabbit
ZO-1	Thermo Fisher	33-9100	1:200	Rabbit
Claudin3	Thermo Fisher	PAS-16887	1:1000	Rabbit
Marveld2/Tricellulin	Thermo Fisher	48-8400	1:1000	Rabbit
CD31/PECAM	Abcam	ab28364	1:100	Rabbit
Claudin5	Invitrogen	35-2500	1:50	Mouse
IRDye 6800RD Goat anti-Mouse IGg	Li-Cor	926-68070	1:10000	Mouse
IRDye800CW Donkey anti-Rabbit	Li-Cor	926-32211	1:10000	Rabbit
Alexa Fluor 594 goat anti-mouse	Invitrogen	A11005	1:200	Mouse