Antibody:	anti-Claudin-7 (E10594)
Detection system:	Secondary antibody coupled to Cy3

Structure	Level	Pattern	Image	Note
TS17: pancreas primordium	Present	Regionally restricted	6A	Expression was detected throughout the membrane of pancreatic epithelium.

Structure	Level	Pattern	Image	Note
TS20: pancreas	Present	Regionally restricted	6B	Expression was detected in the lateral membranes and the Tjp1-positive tight junctions.

Structure	Level	Pattern	Image	Note
TS23: pancreas	Present	Regionally restricted	6C	Expression was detected in the lateral membranes and the Tjp1-positive tight junctions.

Structure	Level	Pattern	Image	Note
TS26: islets of Langerhans	Present	Regionally restricted		Expression was detected in the lateral membranes and the Tjp1-positive tight junctions.
TS26: pancreatic acinus	Present	Regionally restricted		Expression was detected in the lateral membranes and the Tjp1-positive tight junctions.
TS26: pancreatic duct	Present	Regionally restricted		Expression was detected in the lateral membranes and the Tjp1-positive tight junctions.

Structure	Level	Pattern	Image	Note
TS28: pancreatic duct	Present	Regionally restricted	6D	Expression was detected in the lateral membrane of ductal cells and colocalized with Tjp1 in tight junctions of duct epithelial cells.

Structure	Level	Pattern	Image	Note
TS28: pancreatic acinus	Present	Regionally restricted	6E	Expression was detected in the lateral membrane of acinar cells. There was limited association with Tjp1 in acinar tight junctions.

Structure	Level	Pattern	Image	Note
TS28: islets of Langerhans	Weak	Regionally restricted	6F	Low, but detectable expression was detected in the lateral membrane and possible tight junctions of islet cells.