Antibody:	clone 39.4D5
Detection system:	Secondary antibody coupled to Alexa Fluor

Structure	Level	Pattern	Image	Note
TS15: facio-acoustic preganglion complex	Strong	Widespread	2B , 2C	Expressed in all migrating and delaminated cochleovestibular ganglion cells as well as the facial ganglion cells. Broader expression domain than that of Pou4f1, and encompassed all Pou4f1-positive cells.
TS15: otic pit epithelium	Present	Regionally restricted	2B , 2C	Expressed in the epithelial cochleovestibular ganglion precursors.

Structure	Level	Pattern	Image	Note
TS17: acoustic ganglion	Strong	Widespread	2F , 2E	Expressed in all migrating and delaminated cochleovestibular ganglion cells. Broader expression domain than that of Pou4f1, and encompassed all Pou4f1-positive cells.
TS17: facial ganglion	Strong	Widespread	2E , 2F	Expressed in all cells. Broader expression domain than that of Pou4f1, and encompassed all Pou4f1-positive cells.
TS17: otocyst epithelium	Present	Regionally restricted	2E , 2F	Expressed in the epithelial cochleovestibular ganglion precursors.

Structure	Level	Pattern	Image	Note
TS19: acoustic ganglion	Strong	Widespread	2H , 2I	Expressed in all migrating and delaminated cochleovestibular ganglion cells. Broader expression domain than that of Pou4f1, and encompassed all Pou4f1-positive cells.
TS19: facial ganglion	Strong	Widespread	2I , 2H	Expressed in all cells. Broader expression domain than that of Pou4f1, and encompassed all Pou4f1-positive cells.

Structure	Level	Pattern	Image	Note
TS20: vestibulo-cochlear ganglion	Strong	Widespread	2L , 2K	Expressed in all migrating and delaminated cochleovestibular ganglion cells. Broader expression domain than that of Pou4f1, and encompassed all Pou4f1-positive cells.
TS20: facial ganglion	Strong	Widespread	2L , 2K	Expressed in all cells. Broader expression domain than that of Pou4f1, and encompassed all Pou4f1-positive cells.

Structure	Level	Pattern	Image	Note
TS21: cochlear ganglion	Present	Widespread	2N , 2O	Coexpressed with Pou4f1.
TS21: vestibular ganglion	Present	Widespread	2N , 2O	Coexpressed with Pou4f1.
TS21: vestibulo-cochlear ganglion	Present	Widespread	2O , 2N	Expression level was lower in the spiral ganglion than in the vestibular ganglion.

Structure	Level	Pattern	Image	Note
TS23: cochlear ganglion	Strong		2Q , 2R
TS23: cochlea	Present	Regionally restricted	2Q , 2R	Expressed in the cochlear sensory region.

Structure	Level	Pattern	Image	Note
TS25: cochlear ganglion	Strong	Widespread	2T , 2U	Expressed in almost all cells.
TS25: cochlea	Present	Regionally restricted	2U , 2T	Expressed in the cochlear sensory region.

Structure	Level	Pattern	Image	Note
TS17: acoustic ganglion	Present		3J	Expressed in the cochleovestibular ganglion cells.
TS17: facial ganglion	Present		3J

Structure	Level	Pattern	Image	Note
TS17: acoustic ganglion	Present		3K	A severe loss of the cochleovestibular ganglion cells was observed. Expressed in the remaining cochleovestibular ganglion cells.
TS17: facial ganglion	Present		3K

Structure	Level	Pattern	Image	Note
TS17: acoustic ganglion	Present		3L	Expressed in the cochleovestibular ganglion cells.
TS17: facial ganglion	Present		3L

Structure	Level	Pattern	Image	Note
TS17: acoustic ganglion	Present		3M	Expressed in the cochleovestibular ganglion cells, same as the control.
TS17: facial ganglion	Present		3M