Key Resource Table (Antibodies for IHC)

Antibodies	SOURCE	IDENTIFIER	Working concentration
Rabbit anti-pHH3	Upstate	Cat#06–570; PRID:AB_310177	1:100
Rat anti-BrdU	Abcam	Cat#ab6326; PRID:AB_305426	1:100
Rabbit anti Cleaved Caspase-3 (Asp175)	Cell Signaling	Cat#9664; PRID:AB_2070042	1:400
Goat anti Tie1	R&D Systems	Cat#AF619; PRID:AB_355481	1:50
Goat anti-mouse Tie2	R&D Systems	Cat#AF762; PRID:AB_2203220	1:400
Rat anti-mouse CD31	Pharmingen,	Cat#557355; PRID:AB_396660	1:200
Mouse anti Collagen III	Abcam	Cat#ab6310; PRID:AB_305413	1:400
Rabbit anti Collagen I	Abcam	Cat#ab34710; PRID:AB_731684	1:100
Rabbit anti-Erg1	Abcam	Cat#ab92513; PRID:AB_2630401	1:100
Goat anti-VE-Cadherin	R&D Systems	Cat#AF1002; PRID:AB_2077789	1:400
Rabbit anti-Versican (GAGβ)	Chemicon	Cat#AB1033; PRID:AB_90462	1:1500
Hyaluronic acid binding protein, biotinylated (HABP)	Millipore	Cat#385911	1:100
Goat anti-Sox9	Cell Signaling	Cat#82630	1:100
Rabbit anti Versican V0,V1 Neo (DPEAAE)	ThermoFisher	Cat#PA1-1748A; PRID:AB_2304324	1:1500
Sheep anti-Foxc2	R&D Systems	Cat#AF6989; PRID:AB_10973139	1:200
NL557 Conjugated donkey anti-sheep IgG	R&D Systems	Cat#NL010; PRID:AB_884220	1:600