Table 1 Properties of mechanotransduction and general electrophysiology in hair cells from organoids, utricles and values from the literature.

From: Functional development of mechanosensitive hair cells in stem cell-derived organoids parallels native vestibular hair cells

 

ES cell-derived organoid

Utricle P4

Utricle (Literature)

Transduction amplitude D24–27 (pA)

144±18 (13)

136±20 (7)

155±16 (36) (ref. 24)

   

164±76 (8) (ref. 16)

Transduction 10–90% range (μm)

1.6±0.1 (12)

1.2±0.1 (7)

1.3±0.4 (8) (ref. 16)

Transduction adaptation τfast (ms)

9.1±1.6 (7)

7.6±2.3 (6)

3 (15) (ref. 26)

   

5.2±0.7 (ref. 24)

Transduction adaptation τslow (ms)

83.4±8.7 (7)

62.3±6.2 (6)

50 (13) (ref. 26)

   

49±37 (8) (ref. 16)

   

49±6 (9) (ref. 27)

   

45.6±4.5 (41) (ref. 24)

Transduction extent of adaptation (%)

44.5±5.0 (7)

66.3±5.4 (7)

65% (17) (ref. 26)

   

65±3 (ref. 25)

Resting potential Type II (mV)

−63.2±0.7 (38)

−58.2±0.8 (6)

−64±5.2 (98) (ref. 58)

Resting potential Type I (mV)

−79.3±1.6 (4)

−78.1, −86.0 (2)

−77.2±3.1 (62) (ref. 58)

  

P5+2DIC

 

Input resistance Type II (MΩ)

1,228.7±119.9 (22)

934±85 (12)

1,390±830 (98) (ref. 17)

Input resistance Type I (MΩ)

49.7±11.2 (5)

57.7±14.8 (4)

55±41 MΩ (28) (ref. 17)

  

P5+2DIC through P9

 

Capacitance (pF)

6.0±0.2 (136)

4.8±0.2 (11)

5.0±1.3 (16) (ref. 17)

Type II

   
  1. Organoid data are pooled for all ages D22–28. Our data are presented as mean±s.e.m. and n values are noted in parentheses. S.e.m. or s.d. are indicated for literature values where it could be determined. Transduction comparisons are from extrastriolar Type II hair cells.