Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-4
pubmed:dateCreated
2000-4-25
pubmed:abstractText
This paper describes the investigation of elastical properties and imaging of living cochlear hair bundles of inner (IHC) and outer hair cells (OHC) on the level of individual stereocilia. A custom-made AFM-setup was used, allowing to scan the mechano-sensitive structures of the inner ear under direct control of an upright differential interference contrast (DIC) microscope with a water-immersion objective. Scanning electron microscopy (SEM) images of the identical hair bundles obtained after AFM investigation demonstrated that forces up to 1.5 nanonewton (nN) did not cause obvious damage of the surface morphology of the stereocilia. These are the first images of hair bundles of living sensory cells of the organ of Corti by AFM. They display the tips of individual stereocilia and the typical V-shape of ciliary bundles. Since line scans clearly show that slope and force interaction depend on the elastical properties of stereocilia, quantitative stiffness measurements and stimulation of single transduction channels are suggested.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0304-3991
pubmed:author
pubmed:issnType
Print
pubmed:volume
82
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
269-78
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Mechanical stimulation of individual stereocilia of living cochlear hair cells by atomic force microscopy.
pubmed:affiliation
Department of Otolaryngology, University of Tübingen, Germany. matthias.langer@uni-tuebingen.de
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't