Antibody:	anti-pan-CXCL12 K15C
Detection system:	Secondary antibody coupled to alkaline phosphatase

Structure	Level	Pattern	Image	Note
TS23: trachea epithelium	Strong		3A

Structure	Level	Pattern	Image	Note
TS27: trachea	Present		3B

Structure	Level	Pattern	Image	Note
TS23: lung epithelium	Present	Regionally restricted	3C	Expressed the bronchia.

Structure	Level	Pattern	Image	Note
TS27: lung	Present		3D

Structure	Level	Pattern	Image	Note
TS28: bronchus smooth muscle	Strong		3E
TS28: lung alveolus	Present		3E

Structure	Level	Pattern	Image	Note
TS23: gut epithelium	Weak	Graded	4A	Expressed in an apical-basal gradient.
TS23: gut muscularis	Weak	Regionally restricted	4A	Expressed in the surrounding smooth muscle layers of the digestive tract.

Structure	Level	Pattern	Image	Note
TS27: gut	Present	Regionally restricted	4B	Expressed both in the villi (in an apical-basal gradient) as well as in the surrounding smooth muscle cells.

Structure	Level	Pattern	Image	Note
TS28: gut	Present	Regionally restricted	4C	Expressed both in the villi (in an apical-basal gradient) as well as in the surrounding smooth muscle cells.

Structure	Level	Pattern	Image	Note
TS23: liver	Weak	Regionally restricted	4D	Expression is basal and rather homogeneous.

Structure	Level	Pattern	Image	Note
TS27: liver	Weak	Regionally restricted	4E	Expressed in the developing vascular beds.

Structure	Level	Pattern	Image	Note
TS28: liver	Present	Scattered	4F	Expressed in a much-scattered pattern in the portal-central axis and it is basically absent on the triad portal structures.

Structure	Level	Pattern	Image	Note
TS23: collecting duct	Present	Widespread	5A
TS23: cortical early distal tubule	Absent		5A
TS23: cortical early proximal tubule	Absent		5A
TS23: maturing glomerular tuft	Absent		5A

Structure	Level	Pattern	Image	Note
TS27: collecting duct	Present	Widespread	5B
TS27: glomerular tuft	Absent		5B
TS27: renal convoluted tubule	Absent		5B

Structure	Level	Pattern	Image	Note
TS28: metanephros	Present	Widespread	5C

Structure	Level	Pattern	Image	Note
TS23: urothelium of bladder	Strong		5D

Structure	Level	Pattern	Image	Note
TS28: detrusor muscle of bladder	Present		5E
TS28: urothelium of bladder	Strong		5E

Structure	Level	Pattern	Image	Note
TS23: atrium cardiac muscle	Present		6A
TS23: ventricle cardiac muscle	Present		6A

Structure	Level	Pattern	Image	Note
TS27: atrium cardiac muscle	Present		6B	Enhanced expression as compared to the ventricular chambers.
TS27: ventricle cardiac muscle	Present		6B
TS27: visceral serosal pericardium	Present	Widespread	6B

Structure	Level	Pattern	Image	Note
TS28: atrium cardiac muscle	Present		6C
TS28: ventricle cardiac muscle	Present		6C
TS28: visceral serosal pericardium	Present	Patchy	6C	Expression is patchy, discontinuous and heterogeneous.

Structure	Level	Pattern	Image	Note
TS20: skeletal muscle	Present	Regionally restricted	7B , 7A	Expressed in migrating myoblasts.

Structure	Level	Pattern	Image	Note
TS20: skeletal muscle	Present	Regionally restricted	7B , 7C	Expressed in migrating myoblasts.

Structure	Level	Pattern	Image	Note
TS21: limb musculature	Strong		7F

Structure	Level	Pattern	Image	Note
TS22: diaphragm	Strong	Regionally restricted	7G	Expressed in the diaphragmatic muscles.

Structure	Level	Pattern	Image	Note
TS26: tongue muscle	Strong		7I