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Items: 47

1.

Outer hair cell electromotility is low-pass filtered relative to the molecular conformational changes that produce nonlinear capacitance.

Santos-Sacchi J, Iwasa KH, Tan W.

J Gen Physiol. 2019 Nov 1. pii: jgp.201812280. doi: 10.1085/jgp.201812280. [Epub ahead of print]

PMID:
31676485
2.

Negative membrane capacitance of outer hair cells: electromechanical coupling near resonance.

Iwasa KH.

Sci Rep. 2017 Sep 21;7(1):12118. doi: 10.1038/s41598-017-12411-6.

3.

Energy Output from a Single Outer Hair Cell.

Iwasa KH.

Biophys J. 2016 Dec 6;111(11):2500-2511. doi: 10.1016/j.bpj.2016.10.021.

4.

How close should the outer hair cell RC roll-off frequency be to the characteristic frequency?

Ospeck M, Iwasa KH.

Biophys J. 2012 Apr 18;102(8):1767-74. doi: 10.1016/j.bpj.2012.02.049. Erratum in: Biophys J. 2012 Aug 22;103(4):846-7.

5.

Membrane thickness sensitivity of prestin orthologs: the evolution of a piezoelectric protein.

Izumi C, Bird JE, Iwasa KH.

Biophys J. 2011 Jun 8;100(11):2614-22. doi: 10.1016/j.bpj.2011.04.032.

6.

Gating of two mechanoelectrical transducer channels associated with a single tip link.

Sul B, Iwasa KH.

Biophys J. 2010 Aug 9;99(4):1027-33. doi: 10.1016/j.bpj.2010.05.029.

7.

Sensitivity of prestin-based membrane motor to membrane thickness.

Fang J, Izumi C, Iwasa KH.

Biophys J. 2010 Jun 16;98(12):2831-8. doi: 10.1016/j.bpj.2010.03.034.

8.

Effectiveness of hair bundle motility as the cochlear amplifier.

Sul B, Iwasa KH.

Biophys J. 2009 Nov 18;97(10):2653-63. doi: 10.1016/j.bpj.2009.08.039.

9.

Organization of membrane motor in outer hair cells: an atomic force microscopic study.

Sinha GP, Sabri F, Dimitriadis EK, Iwasa KH.

Pflugers Arch. 2010 Feb;459(3):427-39. doi: 10.1007/s00424-009-0742-3. Epub 2009 Oct 7.

10.

Amplifying effect of a release mechanism for fast adaptation in the hair bundle.

Sul B, Iwasa KH.

J Acoust Soc Am. 2009 Jul;126(1):4-6. doi: 10.1121/1.3143782.

11.

Effect of the cochlear microphonic on the limiting frequency of the mammalian ear.

Iwasa KH, Sul B.

J Acoust Soc Am. 2008 Sep;124(3):1607-12. doi: 10.1121/1.2953317.

12.

Probing conformational changes of prestin with thiol-reactive optical switches.

Fang J, Sakata T, Marriott G, Iwasa KH.

Biophys J. 2008 Sep 15;95(6):3036-42. doi: 10.1529/biophysj.108.132878. Epub 2008 Jun 13.

13.

Effects of chlorpromazine and trinitrophenol on the membrane motor of outer hair cells.

Fang J, Iwasa KH.

Biophys J. 2007 Sep 1;93(5):1809-17. Epub 2007 May 4.

14.

Electromotility in outer hair cells: a supporting role for fast potassium conductance.

Ospeck M, Dong XX, Fang J, Iwasa KH.

ORL J Otorhinolaryngol Relat Spec. 2006;68(6):373-7. Epub 2006 Oct 26.

15.

Effects of tarantula toxin GsMTx4 on the membrane motor of outer hair cells.

Fang J, Iwasa KH.

Neurosci Lett. 2006 Aug 14;404(1-2):213-6. Epub 2006 Jun 22.

16.
17.

Limiting frequency of the cochlear amplifier based on electromotility of outer hair cells.

Ospeck M, Dong XX, Iwasa KH.

Biophys J. 2003 Feb;84(2 Pt 1):739-49.

18.

Cooperative interaction as the physical basis of the negative stiffness in hair cell stereocilia.

Iwasa KH, Ehrenstein G.

J Acoust Soc Am. 2002 May;111(5 Pt 1):2208-12. Erratum in: J Acoust Soc Am 2002 Nov;112(5 Pt 1):2193.

PMID:
12051440
19.
20.
21.

Effect of turgor pressure on outer hair cell motility.

Adachi M, Sugawara M, Iwasa KH.

J Acoust Soc Am. 2000 Nov;108(5 Pt 1):2299-306.

PMID:
11108370
22.

Fluctuation of motor charge in the lateral membrane of the cochlear outer hair cell.

Dong X, Ehrenstein D, Iwasa KH.

Biophys J. 2000 Oct;79(4):1876-82.

23.

Current concept of outer hair cell motility.

Kakehata S, Dallos P, Brownell WE, Iwasa KH, Kachar B, Kalinec F, Ikeda K, Takasaka T.

Auris Nasus Larynx. 2000 Oct;27(4):349-55. No abstract available.

PMID:
10996495
24.

Effect of membrane motor on the axial stiffness of the cochlear outer hair cell.

Iwasa KH.

J Acoust Soc Am. 2000 May;107(5 Pt 1):2764-6. No abstract available.

PMID:
10830400
25.

Electrically driven motor in the outer hair cell: effect of a mechanical constraint.

Adachi M, Iwasa KH.

Proc Natl Acad Sci U S A. 1999 Jun 22;96(13):7244-9.

26.

Prenatal expression of inwardly rectifying potassium channel mRNA (Kir4.1) in rat brain.

Ma W, Zhang L, Xing G, Hu Z, Iwasa KH, Clay JR.

Neuroreport. 1998 Jan 26;9(2):223-7.

PMID:
9507959
28.
29.

Force generation in the outer hair cell of the cochlea.

Iwasa KH, Adachi M.

Biophys J. 1997 Jul;73(1):546-55.

30.
31.

Viscoelastic relaxation in the membrane of the auditory outer hair cell.

Ehrenstein D, Iwasa KH.

Biophys J. 1996 Aug;71(2):1087-94.

32.

Ultrastructural localization of G-protein GS in the lateral wall of the guinea pig cochlear duct.

Mizuta K, Iwasa KH, Simonds WF, Tachibana M.

Hear Res. 1996 Apr;93(1-2):111-9.

PMID:
8735072
33.

Active control of waves in a cochlear model with subpartitions.

Chadwick RS, Dimitriadis EK, Iwasa KH.

Proc Natl Acad Sci U S A. 1996 Mar 19;93(6):2564-9.

34.

Spontaneous firing of NG108-15 cells induced by transient exposure to ammonium chloride.

Kowtha VC, Bryant HJ, Krauthamer V, Iwasa KH, Stenger DA.

Cell Mol Neurobiol. 1996 Feb;16(1):1-9.

PMID:
8714555
35.

Ultrastructural localization of G-protein Gs in the organ of Corti.

Mizuta K, Iwasa KH, Simonds WF, Tachibana M.

Neurosci Lett. 1995 Dec 8;201(2):147-50.

PMID:
8848239
36.

Amiloride-sensitive Na+ channel-like immunoreactivity in the luminal membrane of some non-sensory epithelia of the inner ear.

Mizuta K, Iwasa KH, Tachibana M, Benos DJ, Lim DJ.

Hear Res. 1995 Aug;88(1-2):199-205. Erratum in: Hear Res 1996 Sep 1;98(1-2):180.

PMID:
8575996
37.

Can membrane proteins drive a cell?

Iwasa KH, Li M, Jia M.

Biophys J. 1995 Apr;68(4 Suppl):214S. No abstract available.

38.

A membrane motor model for the fast motility of the outer hair cell.

Iwasa KH.

J Acoust Soc Am. 1994 Oct;96(4):2216-24.

PMID:
7963034
39.

Amiloride-sensitive channels in marginal cells in the stria vascularis of the guinea pig cochlea.

Iwasa KH, Mizuta K, Lim DJ, Benos DJ, Tachibana M.

Neurosci Lett. 1994 May 19;172(1-2):163-6.

PMID:
8084526
40.

Factors influencing the length change of an auditory outer hair cell in a tight-fitting capillary.

Iwasa KH, Chadwick RS.

J Acoust Soc Am. 1993 Aug;94(2 Pt 1):1156-9. No abstract available.

PMID:
8370870
41.
42.

Elasticity and active force generation of cochlear outer hair cells.

Iwasa KH, Chadwick RS.

J Acoust Soc Am. 1992 Dec;92(6):3169-73.

PMID:
1474231
43.

A membrane-based force generation mechanism in auditory sensory cells.

Kalinec F, Holley MC, Iwasa KH, Lim DJ, Kachar B.

Proc Natl Acad Sci U S A. 1992 Sep 15;89(18):8671-5.

44.

Stretch sensitivity of the lateral wall of the auditory outer hair cell from the guinea pig.

Iwasa KH, Li MX, Jia M, Kachar B.

Neurosci Lett. 1991 Dec 9;133(2):171-4.

PMID:
1726184
45.

Evidence for a model of exocytosis that involves calcium-activated channels.

Ehrenstein G, Stanley EF, Pocotte SL, Jia M, Iwasa KH, Krebs KE.

Ann N Y Acad Sci. 1991;635:297-306. Review. No abstract available.

PMID:
1720603
46.

High concentration of inositol 1,4,5-trisphosphate in sea urchin sperm.

Iwasa KH, Ehrenstein G, DeFelice LJ, Russell JT.

Biochem Biophys Res Commun. 1990 Oct 30;172(2):932-8.

PMID:
2241981

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