Antibody:	anti-Periostin
Detection system:	Secondary antibody coupled to Alexa Fluor 594

Structure	Level	Pattern	Image	Note
TS20: dorsal aorta	Present	Regionally restricted	2A	Expression is in smooth muscle cells.
TS20: epithelial layer of ureter	Weak		2A
TS20: mesenchyme of metanephros	Weak		2A

Structure	Level	Pattern	Image	Note
TS23: renal artery	Strong		2B
TS23: renal medullary interstitium	Strong		2B
TS23: ureteral mesenchyme	Strong		2B
TS23: trunk mesenchyme	Present	Regionally restricted	2B	Expression is in the mesenchyme surrounding the kidney and ureter.
TS23: maturing nephron	Weak		2B
TS23: urothelium of ureter	Weak		2B

Structure	Level	Pattern	Image	Note
TS23: renal artery	Strong		2C
TS23: renal medullary interstitium	Strong		2C
TS23: ureteral mesenchyme	Strong		2C
TS23: maturing nephron	Weak		2C
TS23: urothelium of ureter	Weak		2C

Structure	Level	Pattern	Image	Note
TS23: ureteral mesenchyme	Present		2F , 2D
TS23: ureteral smooth muscle layer	Present	Regionally restricted	2F , 2D

Structure	Level	Pattern	Image	Note
TS23: basal cell layer of ureter	Present		2I , 2H , 2G

Structure	Level	Pattern	Image	Note
TS25: ureteral smooth muscle layer	Present