Antigen	Species	Manufacturer	Dilution	Catalogue No.
α-Actin	Mouse	Cell Signaling Technologies	1:1000	3700
α-BLIMP1	Rat	Santa Cruz	1:500	SC-47732
α-cKIT (D13A2 XP)	Rabbit	Cell Signaling Technologies	1:1000	3074
α-E-Cadherin (24E10)	Rabbit	Cell Signaling Technologies	1:1000	3195
α-Integrin a6	Rabbit	Novus	1:500	NBP1-85747
α-Keratin 1	Rabbit	Biolegend	1:500	905203
α-Keratin 5	Chicken	Biolegend	1:500	905903
α-Keratin 10	Rabbit	Biolegend	1:500	905403
α-Keratin 14	Chicken	Biolegend	1:1000	906004
α-Ki67 (D3B5)	Rabbit	Cell Signaling Technologies	1:500	12202
α-LEF1	Rabbit	Cell Signaling Technologies	1:1000	2230
α-Loricrin	Rabbit	Biolegend	1:500	905103
α-p63 (Internal, N2C1)	Rabbit	GeneTex	1:1000	GTX102425
α-ΔNp63	Rat	Biolegend	1:1000	699501
α-TAp63	Mouse	Biolegend	1:1000	938101
α-phospho- SMAD2 (S465/467) / SMAD3 (S423/425) D6G10 XP	Rabbit	Cell Signaling Technologies	1:1000	9510
α-SMAD2/3	Rabbit	Millipore	1:1000	07-408
α-TGFβ1	Rabbit	Abcam	1:20	ab215715
α-chicken-Alexa Fluor 568	Goat	Invitrogen	1:500	A11041
α-rabbit (Biotinylated)	Goat	Vector Laboratories	1:500	BA-1000
α-rat (Biotinylated)	Goat	Vector Laboratories	1:500	BA-9401
Streptavidin-Alexa Fluor 488	N/A	Invitrogen	1:500	S32354
Streptavidin-Alexa Fluor 568	N/A	Invitrogen	1:500	S11226
Streptavidin-HRP	N/A	Vector Laboratories	1:1000	SA-5004