Antibody:	Anti-EGFL7 (R-12) sc-34416
Assay notes:	Three antibodies were described: MGI:7574622, MGI:3580175, and MGI:7574624. The one used in this assay was not specified.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: blood vessel	endothelial cell of placenta	Present		1I , 1G	Expression co-localized with the endothelial cell marker, Pecam1 in the maternal decidua.
TS28: decidua	endothelial cell of placenta	Present		1I , 1G	Expression co-localized with the endothelial cell marker, Pecam1 in the maternal decidua.

Structure	Cell Type	Level	Pattern	Image	Note
TS20: extraembryonic vascular system	endothelial cell of placenta	Present	Regionally restricted	1M , 1K	Expression co-localized with the endothelial cell marker, Pecam1 in the fetal endothelial cells of the placenta.
TS20: labyrinthine zone	endothelial cell of placenta	Present	Regionally restricted	1M , 1K	Expression co-localized with the endothelial cell marker, Pecam1 in the fetal endothelial cells of the placenta.

Structure	Cell Type	Level	Pattern	Image	Note
TS17: junctional zone	trophoblast cell	Present		2F , 2C , 2E	Expression was co-localized with the pan-trophoblast marker, Cytokeratin in the junctional zone.

Structure	Level	Pattern	Image	Note
TS4: inner cell mass	Present		2H , 2J
TS4: trophectoderm	Present		2H , 2J	Expression co-localized with the trophectoderm cell marker, Cdx2.

Structure	Level	Pattern	Image	Note
TS17: extraembryonic vascular system	Present		4C , 4E
TS17: labyrinthine zone	Present		4C , 4E

Structure	Level	Pattern	Image	Note
TS17: extraembryonic vascular system	Weak		4I , 4G	Expression was reduced in the fetal labyrinth zone of the BPH/5 placentas compared to C57BL/6.
TS17: labyrinthine zone	Weak		4I , 4G	Expression was reduced in the fetal labyrinth zone of the BPH/5 placentas compared to C57BL/6.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: blood vessel	endothelial cell of placenta	Present		S2A Merge top , S2A EGFL7 top	Expression co-localized with the endothelial cell marker, Pecam1 in the maternal decidua.
TS28: decidua	endothelial cell of placenta	Present		S2A Merge top , S2A EGFL7 top	Expression co-localized with the endothelial cell marker, Pecam1 in the maternal decidua.

Structure	Cell Type	Level	Pattern	Image	Note
TS17: extraembryonic vascular system	endothelial cell of placenta	Present		S2A EGFL7 bottom , S2A Merge bottom	Expression co-localized with the endothelial cell marker, Pecam1 in the fetal endothelial cells of the placenta.
TS17: labyrinthine zone	endothelial cell of placenta	Present		S2A EGFL7 bottom , S2A Merge bottom	Expression co-localized with the endothelial cell marker, Pecam1 in the fetal endothelial cells of the placenta.

Structure	Cell Type	Level	Pattern	Image	Note
TS26: extraembryonic vascular system	endothelial cell of placenta	Present		S2B Merge , S2B EGFL7	Expression co-localized with the endothelial cell marker, Pecam1 in the fetal endothelial cells of the placenta.
TS26: labyrinthine zone	endothelial cell of placenta	Present		S2B Merge , S2B EGFL7	Expression co-localized with the endothelial cell marker, Pecam1 in the fetal endothelial cells of the placenta.