Antibody:	anti-p57 Kip2
Detection system:	Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase

Structure	Cell Type	Level	Pattern	Image	Note
TS27: organ of Corti	cochlear outer hair cell	Present		2g	Expression distinctly localized to outer hair cells.
TS27: cochlea epithelium		Present	Regionally restricted	2g	Expression in inner sulcus nonsensory epithelium.
TS27: cochlea	supporting cell of cochlea	Absent		2g	No expression in cochlear supporting cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: organ of Corti	cochlear inner hair cell	Weak			Weak expression in small part of inner hair cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: organ of Corti	cochlea auditory hair cell	Weak			Expression in hair cells at P2.

Structure	Cell Type	Level	Pattern	Image	Note
TS27: organ of Corti	cochlea auditory hair cell	Absent			No expression in hair cells at P3 or thereafter.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: cochlea	cochlea auditory hair cell	Absent		2h	No expression in hair cells at P3 or thereafter.
TS28: organ of Corti	cochlea auditory hair cell	Absent		2h	No expression in hair cells at P3 or thereafter.
TS28: cochlea	supporting cell of cochlea	Absent		2h	No expression in cochlear supporting cells.

Structure	Cell Type	Level	Pattern	Image	Note
TS28: utricle	supporting cell of vestibular epithelium	Absent		2i
TS28: utricle	vestibular hair cell	Present	Scattered	2i	Expression in small number of scattered cells at bottom of hair cell layer.