Antibody:

Anti-Prox1 (AB5475)

Structure	Cell Type	Level	Pattern	Image	Note
TS27: organ of Corti	Deiter's cell	Present	Regionally restricted	11A	In basal region, reduction in nuclear expression in inner pillar cells and first an second rows of Deiters' cells, relative to outer pillar cells and third row of Deiters' cells.
TS27: organ of Corti	external pillar cell of cochlea	Present	Regionally restricted	11A	In basal region, reduction in nuclear expression in inner pillar cells and first an second rows of Deiters' cells, relative to outer pillar cells and third row of Deiters' cells.
TS27: organ of Corti	internal pillar cell of cochlea	Present	Regionally restricted	11A	In basal region, reduction in nuclear expression in inner pillar cells and first an second rows of Deiters' cells, relative to outer pillar cells and third row of Deiters' cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: organ of Corti	internal pillar cell of cochlea	Weak	Regionally restricted	11B	In middle region, expression only reduced in inner pilar cell nuclei.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: organ of Corti	organ of Corti supporting cell	Present	Regionally restricted	11C	In apical region, expression in all rows of support cell nuclei.

Structure	Level	Pattern	Image	Note
TS28: organ of Corti	Present	Regionally restricted	11D	In basal region, expression similar to that seen at P3.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: organ of Corti	Deiter's cell	Weak	Regionally restricted	11E	In middle region of cochlea, expression clearly reduced in subsets of support cells, particularly those in first and second rows of Deiters' cells and outer pillar cells.
TS28: organ of Corti	external pillar cell of cochlea	Weak	Regionally restricted	11E	In middle region of cochlea, expression clearly reduced in subsets of support cells, particularly those in first and second rows of Deiters' cells and outer pillar cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: organ of Corti	internal pillar cell of cochlea	Present	Regionally restricted	11F	In apical region of cochlea, more nuclei of inner pillar cells retain strong expression than in middle region.

Structure	Level	Pattern	Image	Note
TS28: organ of Corti	Present	Regionally restricted	11G	Expression not detectable in basal region.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: organ of Corti	Deiter's cell	Weak	Regionally restricted	11H	Expression highly attentuated in middle region. Expression only detectable in nuclei of outer pillar cells and third row of Deiters' cells.
TS28: organ of Corti	external pillar cell of cochlea	Weak	Regionally restricted	11H	Expression highly attentuated in middle region. Expression only detectable in nuclei of outer pillar cells and third row of Deiters' cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: organ of Corti	Deiter's cell	Present	Regionally restricted	11I	Expression highly attentuated in apical region. Expression only detectable in nuclei of outer pillar cells and third row of Deiters' cells.
TS28: organ of Corti	internal pillar cell of cochlea	Present	Regionally restricted	11I	Expression highly attentuated in apical region. Expression only detectable in nuclei of outer pillar cells and third row of Deiters' cells.