TABLE 2.

Summary of developmental changes in TAK1 immunolabeling in the murine cochlea

Developmental age	TAK1-positive cell types
Embryonic day 12.5	Periotic mesenchyme
	Otocyst (ubiquitous)
Embryonic day 16.5	Periotic mesenchyme
	Cochlear duct (ubiquitous)
	Vestibular duct (ubiquitous)
Embryonic day 18.5	Spiral ganglion
	Spiral limbus
	Spiral ligament
	Stria vascularis Reissner’s membrane
	Mesenchyme of the basilar membrane
	Vestibular hair and supporting cells
Postnatal Day1	Stria vascularis
	Boettcher cells Henson's cells
	Tectal cells
	Pillar cells
	Hair cells
	Kölliker’s organ
	Mesenchymal cells of the basilar membrane
	Reissner’s membrane
	Vestibular hair and supporting cells (weak)
Postnatal day 16	Claudius cells
	Henson's cells
	Deiters’ cells
	Inner phalangeal cells
	Border cells
	Inner sulcus cells (weak)
Adult	Base: (strong) Deiters’ cells
	Base: (weak) inner pillar inner phalangeal, inner border cells
	Mid-turn: Deiters’ cells, inner and outer pillar cells, inner phalangeal cell, inner boarder cells
	Apex: (weak) Deiters’ cells, outer pillar cell
	Apex: (strong) inner pillar cell, inner phalangeal cell, inner border cell

This table lists the cell types that exhibited TAK1 immunolabeling at various developmental stages of the cochlea