Antibody:	Anti-ApoA-II (L-20) sc-19035
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Cell Type	Level	Pattern	Image	Note
TS23: lung mesenchyme		Weak	Widespread	2g
TS23: lung mesenchyme	mesenchymal cell	Present	Regionally restricted	2g	Positive signals were found on the nucleus of several but not all mesenchymal cells.
TS23: lung vascular element		Weak	Regionally restricted	2g	Weak expression was detected in capillaries.

Structure	Cell Type	Level	Pattern	Image	Note
TS25: lung mesenchyme		Weak	Widespread	2h
TS25: lung mesenchyme	mesenchymal cell	Present	Regionally restricted	2h	Positive signals were found on the nucleus of several but not all mesenchymal cells.
TS25: lung vascular element		Weak	Regionally restricted	2h	Weak expression was detected in capillaries in two thirds of the samples from E17.5.

Structure	Cell Type	Level	Pattern	Image	Note
TS25: lung mesenchyme	mesenchymal cell	Present	Regionally restricted	2j	Positive signals were found on the nucleus of several but not all mesenchymal cells.

Structure	Level	Pattern	Image	Note
TS25: lung vascular element	Present	Regionally restricted	2k	Expression was detected in capillaries in about one third of the tissues from E17.5.

Structure	Level	Pattern	Image	Note
TS26: lung vascular element	Present	Regionally restricted	2l	Expression was detected in capillaries in all the E18.5 samples.
TS26: lung mesenchyme	Weak	Widespread	2l

Structure	Level	Pattern	Image	Note
TS26: lung vascular element	Present	Regionally restricted	2m	Expression was detected in capillaries in all the E18.5 samples.