Abstract:
:In this paper, research on the temporal and spatial distribution of cholinergic-related molecules in the lower auditory brainstem, with an emphasis on nicotinic acetylcholine receptors (nAChRs), is reviewed. The possible functions of acetylcholine (ACh) in driving selective auditory neurons before the onset of hearing, inducing glutamate receptor gene expression, synaptogenesis, differentiation, and cell survival are discussed. Experiments conducted in other neuronal and non-neuronal systems are drawn on extensively to discuss putative functions of ACh and nAChRs. Data from other systems may provide insight into the functions of ACh and nAChRs in auditory processing. The mismatch of presynaptic and postsynaptic markers and novel endogenous agonists of nAChRs are discussed in the context of non-classical interneuronal communication. The molecular mechanism that may underlie the many functions of ACh and its agonists is the regulation of intracellular calcium through nAChRs. The possible reorganization that may take place in the auditory system by the exposure to nicotine during critical developmental periods is also briefly considered.
journal_name
Hear Resjournal_title
Hearing researchauthors
Morley BJdoi
10.1016/j.heares.2005.02.012keywords:
subject
Has Abstractpub_date
2005-08-01 00:00:00pages
74-88issue
1-2eissn
0378-5955issn
1878-5891pii
S0378-5955(05)00075-4journal_volume
206pub_type
杂志文章,评审相关文献
HEARING RESEARCH文献大全abstract::An anatomically based model of cochlear neuron electrophysiology has been developed and used to interpret the physiological responses of the auditory neuron to electrical summation and refractory pulse-pair stimuli. For summation pulses, the summation time constant, tau(sum), indicates the ability of the membrane to h...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2006.02.011
更新日期:2006-05-01 00:00:00
abstract::The objective of the present study was to examine whether mepacrine, a commonly used phospholipase A2 inhibitor, decreases ischemic damage to the cochlea. Transient ischemia of the cochlea was induced in albino guinea pigs for 15, 30 or 60 min by pressing the labyrinthine artery at the porus acusticus internus. The an...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(00)00038-1
更新日期:2000-06-01 00:00:00
abstract::The properties of the ACh (acetylcholine) response in guinea pig outer hair cells (OHCs) are not well understood. It has been shown that the response to ACh involves the activation of a Ca2+ dependent K+ selective conductance (referred to as Ksub where sub stands for suberyldicholine). In the present study, we examine...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(96)00142-6
更新日期:1996-11-01 00:00:00
abstract::Binaural temporal resolution was measured using the discrimination of brief interaural time delays (ITDs). In experiment 1, three listeners performed a 2I-2AFC, ITD-discrimination procedure. ITD changes of 8 to 1024micros were applied to brief probe noises. These probes, with durations of 16 to 362ms, were placed symm...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2008.12.001
更新日期:2009-02-01 00:00:00
abstract::Left ear noise-induced hearing losses are dominant in the army. The common explanation is the asymmetrical effect of the shooting posture. However, firm evidence to support this possibility is still lacking. In the French army shooters, eye preference rather than hand preference for shooting determines the side of sho...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(98)00104-x
更新日期:1998-08-01 00:00:00
abstract::We are studying the interconnections between the anteroventral cochlear nucleus (AVCN) and the dorsal cochlear nucleus (DCN). Biotinylated dextran was injected into the DCN, where the best frequency of responses was also recorded. Ventrotubercular neurons in AVCN were labeled, along with cochlear nerve fibers and the ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(98)00224-x
更新日期:1999-04-01 00:00:00
abstract::The glycoconjugates in the cochlea of the guinea pig were studied by staining samples by the silver methenamine method as well as after periodic acid-Schiff (PAS) staining. Results obtained by the two methods were similar but not identical. The silver methenamine method was much better in terms of resolution. However,...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(93)90234-r
更新日期:1993-05-01 00:00:00
abstract::New hair cells are added to the amphibian sacculus throughout life, primarily at its outer edge. The stereociliary bundles near that edge are heterogeneous, but eventually develop the more homogeneous morphology of the overwhelming majority of mature cells near the center of the epithelium. During their development th...
journal_title:Hearing research
pub_type: 杂志文章
doi:
更新日期:1992-04-01 00:00:00
abstract::Both outer hair cells (OHCs) and inner hair cells (IHCs) survive and mature in 3 days old rat organ of Corti explants cultured for 1 month in a minimal essential medium. In contrast, under the same culture conditions, only IHCs survive in explants from adult guinea pig organ of Corti while many of the OHCs are lost wi...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(02)00451-3
更新日期:2002-08-01 00:00:00
abstract::Doppler vibrometers are used by many research groups to monitor the motion of the tympanic membrane (TM) and of middle ear ossicles for in vivo and in vitro studies. Power densities in these applications reach 80 W/cm(2). To determine the safe limit of exposure, a cw dye laser at a wavelength of 633 nm was used to inv...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(00)00013-7
更新日期:2000-04-01 00:00:00
abstract::Anatomically correct turtle utricle geometry was incorporated into two finite element models. The geometrically accurate model included appropriately shaped macular surface and otoconial layer, compact gel and column filament (or shear) layer thicknesses and thickness distributions. The first model included a shear la...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2014.10.010
更新日期:2014-12-01 00:00:00
abstract::Healthy guinea pigs were exposed to broad band noise at levels between 95 and 115 dBA for 7 days. A significant decrease of the sound-induced cochlear responses, together with a substantial increase of the endocochlear potential, was observed in guinea pigs exposed to noise at 105 or 115 dBA. Microsamples of the endol...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(79)90004-2
更新日期:1979-12-01 00:00:00
abstract::The endocochlear potential (EP) provides part of the electrochemical drive for sound-driven currents through cochlear hair cells. Intense noise exposure (110 dB SPL, 2 h) differentially affects the EP in three inbred mouse strains (C57BL/6 [B6], CBA/J [CBA], BALB/cJ [BALB]) (Ohlemiller and Gagnon, 2007, Hearing Resear...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2018.01.015
更新日期:2018-04-01 00:00:00
abstract::Wavelength-swept optical coherence tomography (OCT) was used to scan the structure of cadaveric chinchilla ears in three dimensions with high spatial resolution and measure the sound-induced displacements of the entire OCT-visible lateral surfaces of the ossicles in the lateral-to-medial direction. The simultaneous me...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2020.108056
更新日期:2020-10-01 00:00:00
abstract::Auditory brainstem responses (ABRs) were evoked in developing wallabies by click and tone burst stimuli delivered by bone conduction and air conduction, at progressive stages of post-natal (pouch) life. ABRs were recorded through the onset of auditory responses (95-110 days), the opening of the external ear canal (125...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(97)00211-6
更新日期:1998-03-01 00:00:00
abstract::Gerbils are frequently used in auditory research; however, only limited information on the exact frequency representation in the cochlea is available. Therefore the place-frequency map of the gerbil was determined by iontophoretic application of horseradish peroxidase in physiologically characterized single auditory n...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(95)00230-8
更新日期:1996-05-01 00:00:00
abstract::The membrane glycoprotein CTL2/SLC44A2 is expressed by supporting cells in the inner ear and has been identified as a target of antibodies that may induce auto-immune hearing loss. To determine if CTL2/SLC44A2 also has roles in inner ear development and to distinguish between isoform-specific roles, we assessed age-re...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2011.09.004
更新日期:2011-12-01 00:00:00
abstract::The ultrastructure of the sensory epithelia in the auditory regions of the ear, the sacculus and lagena, were investigated in the blue gourami, Trichogaster trichopterus, using transmission and scanning electron microscopy. The sensory epithelium consists of sensory hair cells surrounded by supporting cells, both of w...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(81)90049-6
更新日期:1981-11-01 00:00:00
abstract::Glutamate plays a role in hair cell afferent transmission, but the receptors that mediate neurotransmission between outer hair cells (OHCs) and type II ganglion neurons are not well defined. A previous study using in situ hybridization showed that several kainate-type glutamate receptor (KAR) subunits are expressed in...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2014.05.001
更新日期:2014-08-01 00:00:00
abstract::In a wide variety of mammals, the rim of the tympanic membrane (annulus fibrosus) has an array of contractile elements, either smooth muscle [Henson and Henson, J. Assoc. Res. Otolaryngol. 1 (2000) 25-32] or myofibroblasts [Kuijpers et al., Hear. Res. 128 (1999) 80-88]. These elements are anchored peripherally to the ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(01)00416-6
更新日期:2002-02-01 00:00:00
abstract::The intra-cochlear distributions of aspartate aminotransferase and glutaminase, prominent enzymes of aspartate and glutamate metabolism, have been studied by quantitative microchemical techniques. Also measured was choline acetyltransferase, the enzyme synthesizing acetylcholine, and a marker for the olivocochlear bun...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(86)90058-4
更新日期:1986-01-01 00:00:00
abstract::Frequency discrimination thresholds were measured from five chinchillas for harmonic tone complexes having a fundamental frequency of 250 Hz. Stimuli consisted of the fundamental frequency and the second through 10th harmonics with individual components added in either cosine phase or random phase. In general, thresho...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(00)00171-4
更新日期:2000-11-01 00:00:00
abstract::In a previous study, we have demonstrated the presence of two adenosine receptor (AR) subtypes, namely A1 and A3AR, in the chinchilla cochlea. One or both of these receptors couple to activation of antioxidant enzymes, with resulting decreases in lipid peroxidation. The chemotherapeutic agent, cisplatin, was shown to ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(97)00103-2
更新日期:1997-09-01 00:00:00
abstract::Until recently the responses of the mechanosensitive hair cells of the cochlea have been inferred from their morphology, morphological relationships with other structures in the cochlea, and by indirect electrophysiological measurements. With the advent of techniques for making intracellular recordings from hair cells...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(86)90096-1
更新日期:1986-01-01 00:00:00
abstract::The cochlear microphonic (CM) is produced by a change in standing currents during the motion of the cochlear partition. The motion of the partition and associated hair cell transduction processes are nonlinear and are reflected in the variation of the instantaneous frequency (IF) of the CM. Although the CM is dominate...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(02)00642-1
更新日期:2002-12-01 00:00:00
abstract::Nitric oxide (NO) production during hyposmotic stimulation in outer hair cells (OHCs) of the guinea pig cochlea was investigated using the NO sensitive dye DAF-2. Simultaneous measurement of the cell length and NO production showed rapid hyposmotic-induced cell swelling to precede NO production in OHCs. Hyposmotic sti...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2006.09.007
更新日期:2007-05-01 00:00:00
abstract::Previous investigations have shown that a subset of inferior colliculus neurons, which have been designated type O units, respond selectively to isolated features of the cat's head-related transfer functions (HRTFs: the directional transformation of a free-field sound as it propagates from the head to the eardrum). Ba...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2008.01.008
更新日期:2008-04-01 00:00:00
abstract::A novel immunocytochemical method was used to determine whether the sound-damaged adult quail ear can repair its tectorial membrane (TM) and to compare the repair in quail to that in chicks. Birds were exposed to an octave band noise with a center frequency of 1.5 kHz at 116 dB SPL for 4 h. The chicks were grouped bas...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(95)00051-5
更新日期:1995-06-01 00:00:00
abstract::This study was performed to elucidate the contribution of the stapedial artery (SA)--which has been considered to be independent of the vertebrobasilar system--to blood flow in the ear by observing ear blood flow in Sprague-Dawley rats. A laser-Doppler (LD) probe was positioned on the bony wall of the cochlear basal t...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(03)00310-1
更新日期:2003-12-01 00:00:00
abstract::The rather shallow growth of click-evoked otoacoustic emissions (CEOAE) with click intensity, namely <1 dB/dB, distinguishes genuine CEOAEs from stimulus artifacts, thereby providing the rationale for the popular 'derived nonlinear recording' method. However, other CEOAE nonlinearities regarding phase or envelope depe...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(02)00745-1
更新日期:2003-01-01 00:00:00