Abstract:
:Cochlear serotonergic innervation is constituted by efferent fibers projecting both to the area below the inner and the outer hair cells. Previous detection of serotonin (5-HT) metabolites and 5-HT receptor mRNAs suggests the existence of serotonergic synaptic activity in the cochlea. The present study explores this possibility through the effect of 6-nitroquipazine (6-NQ), a 5-HT selective reuptake inhibitor, on the basal turnover of 5-HT. The concentrations of 5-HT and its metabolite 5-hydroxyindole-3-acetic acid (5-HIAA) were quantified by high performance liquid chromatography with electrochemical detection in blood-free cochleae of rats treated with 6-NQ or saline and kept under silent conditions. Treatment with 6-NQ induced a significant increase of the cochlear concentration of 5-HT and a significant reduction of 5-HIAA concentration with respect to saline treatment. These findings could indicate that 6-NQ induced the blockade of the 5-HT selective reuptake to the cochlear serotonergic fibers. This suggests that plasma membrane 5-HT transporters are present in cochlear serotonergic fibers. Even though the role of serotonergic innervation on cochlear physiology remains unknown, the existence of cochlear serotonergic synaptic activity is strongly supported by present contributions.
journal_name
Hear Resjournal_title
Hearing researchauthors
Vicente-Torres MA,Dávila D,Bartolomé MV,Carricondo F,Gil-Loyzaga Pdoi
10.1016/s0378-5955(03)00140-0keywords:
subject
Has Abstractpub_date
2003-08-01 00:00:00pages
43-7issue
1-2eissn
0378-5955issn
1878-5891pii
S0378595503001400journal_volume
182pub_type
杂志文章相关文献
HEARING RESEARCH文献大全abstract::The dose-response ototoxic effects of cisplatin were studied in guinea pigs. Loss of Preyer reflex and suppression of the N1 amplitude occurred in cisplatin-treated animals and was described as dose-related. Drug-induced hair cell damage, as observed with scanning electron microscopy, occurred sporadically throughout ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(87)90104-3
更新日期:1987-01-01 00:00:00
abstract::Recently it was shown that distortion product otoacoustic emissions (DPOAEs) can be measured as vibration of the human tympanic membrane in vivo, and proposed to use these vibration DPOAEs to support a differential diagnosis of middle-ear and cochlear pathologies. Here, we investigate how the reverse transfer function...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2011.04.015
更新日期:2011-10-01 00:00:00
abstract::Congenital hearing loss (HL) affects about 1 in every 500 infants. Among those affected more than half are caused by genetic mutations. According to the cellular sites affected by mutations in the cochlea, deafness genes could be classified into three major groups: those affecting the function of hair cells and synaps...
journal_title:Hearing research
pub_type: 杂志文章,评审
doi:10.1016/j.heares.2019.107858
更新日期:2020-09-01 00:00:00
abstract::In common inbred mouse strains, hearing loss is a highly prevalent quantitative trait, which is mainly controlled by the Cdh23(753A) variant and alleles at numerous other strain-specific loci. Here, we investigated the genetic basis of hearing loss in non-inbred strains. Mice of Swiss Webster, CF-1, NIH Swiss, ICR, an...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2005.11.006
更新日期:2006-02-01 00:00:00
abstract::This paper reports hourly and daily monitoring of the frequencies of spontaneous otoacoustic emissions. Regular circadian variations in frequency were found in two of three subjects. Consistent monthly variations, in step with the menstrual cycle, were seen in three of four women. The circadian cycle typically showed ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(92)90012-c
更新日期:1992-02-01 00:00:00
abstract::Transtympanic administration of gentamicin is a widely accepted and effective approach for treating patients with intractable vertigo. Previous studies have demonstrated the uptake, distribution and effects of gentamicin in peripheral vestibular and cochlear structures after transtympanic injection. However, little is...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2011.10.003
更新日期:2012-01-01 00:00:00
abstract::Immunophilin FK binding protein-12 (FKBP-12), the soluble receptor for the immunosuppressant drug FK506, is involved in a number of neuronal activities including increased nerve regeneration in the peripheral nervous system and enhanced recovery in animal models of neurodegenerative diseases. In addition, FKBP-12 is t...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(01)00319-7
更新日期:2001-09-01 00:00:00
abstract::Extracellular adenosine has been suggested as a modulator of cochlear function. To date the release of adenosine into the extracellular spaces of the cochlea has not been demonstrated. Therefore, experiments were designed to examine whether adenosine release into perilymph could be detected in response to depolarizati...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2005.03.009
更新日期:2005-07-01 00:00:00
abstract::There is convincing evidence that cochlear microphonics (CM) arise primarily from outer hair cells and have a frequency distribution that is much broader than that measured in inner hair cells by Russel and Sellick [6,7]. The broad tuning results from the fact that CM generated at each location decays exponentially al...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(80)90092-1
更新日期:1980-06-01 00:00:00
abstract::Systematic, slow variations of the amplitude and frequency of spontaneous otoacoustic emissions in human ears, occurring over the first 20-30 min of recording, are described. Experimental observations suggest that these variations may arise from a centrally mediated, bilateral influence on the mechanics of the ear. ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(91)90060-m
更新日期:1991-06-01 00:00:00
abstract::This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy. ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2009.01.013
更新日期:2009-03-01 00:00:00
abstract::Electrically evoked auditory brainstem response (EABR) recordings were made from 38 humans implanted with one of three cochlear prostheses, and from 25 cats. Recognizable auditory potentials were identified in 27 of the profoundly deaf implanted subjects. In both cats and humans EABR waveform morphology and magnitude ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(86)90033-x
更新日期:1986-01-01 00:00:00
abstract::To investigate the audio-vocal feedback responses of (F0) to hearing amplification in severe-to-profound prelingual hearing loss (SPHL) using power spectral analysis of F0 contour of sustained vowels. Sustained phonations of vowel/a/of seventeen participants with SPHL were acquired with and without hearing-aid amplifi...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2013.04.010
更新日期:2013-08-01 00:00:00
abstract::Sound frequency and binaural response properties were determined for single neurons in the rat's inferior colliculus. Nerve cell responses in the central nucleus of the inferior colliculus were narrowly tuned and had clearly defined characteristic frequencies (CF). The central nucleus was tonotopically organized with ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(91)90177-b
更新日期:1991-11-01 00:00:00
abstract::Two-tone suppression was studied in the auditory nerve fibers of anesthetized cats, using low-frequency suppressors (50-2000 Hz). The response to the characteristic-frequency (CF) tone was suppressed in a phase-specific manner, attaining one or two minimums in 1 cycle of the suppressor (SUP) tone. The suppression phas...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(96)00034-2
更新日期:1996-07-01 00:00:00
abstract::The inferior colliculus (IC) receives and integrates excitatory and inhibitory inputs from many bilateral lower auditory nuclei, intrinsic projections within IC, contralateral IC through the commissure of IC and from the auditory cortex (AC). These excitatory and inhibitory inputs from both ascending and descending au...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2019.01.024
更新日期:2019-06-01 00:00:00
abstract::Syndromic hearing loss accounts for approximately 30% of all cases of hearing loss due to genetic causes. Mutation screening in known genes is important because it potentially sheds light on the genetic etiology of hearing loss and helps in genetic counseling of families. In this study, we describe a customized Ion Am...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2018.10.008
更新日期:2018-12-01 00:00:00
abstract::The columnar and layer-specific response properties of neurons in the primary auditory cortex (AI) of Mongolian gerbils were studied using single-unit recordings of responses to tone-burst stimuli presented to the ear contralateral to the recording side. During near-radial microelectrode penetrations of the AI in 100-...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(97)00119-6
更新日期:1997-10-01 00:00:00
abstract::Excised cochleae of alligator lizards were prepared to permit microscopic observations of motion of hair-cell free-standing stereociliary bundles and of the underlying basilar papilla during acoustic stimulation, using stroboscopic illumination. In response to tones of frequency from 0.2 to 5 kHz, the papilla rocks ab...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(83)90008-4
更新日期:1983-12-01 00:00:00
abstract::Several studies have been performed in which both the time-dependent and steady state output of cells in the dorsal nucleus of the lateral lemniscus (DNLL) have been measured in response to binaural sound stimulation. In this paper, a mathematical and computational model for the steady state output of DNLL cells is fo...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(99)00096-9
更新日期:1999-10-01 00:00:00
abstract::Thresholds of neurons to sounds were compared as a function of central auditory structure [ventral cochlear nucleus (VCN), dorsal cochlear nucleus (DCN), and inferior colliculus (IC)] in young and middle-aged C57BL/6J mice (multiple- and single-unit recordings) and in young and old CBA/J mice (single-unit recordings)....
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/0378-5955(91)90215-u
更新日期:1991-05-01 00:00:00
abstract::Hearing loss may be genetic, associated with aging or exposure to noise or ototoxic substances. Its aetiology can be attributed to vascular injury, trauma, tumours, infections or autoimmune response. All these factors could be related to alterations in cochlear microcirculation resulting in hypoxia, which in turn may ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2015.05.004
更新日期:2015-09-01 00:00:00
abstract::Mice of the C57BL/6J (B6) inbred strain exhibit genetic progressive sensorineural hearing loss and have been widely used as a model of adult-onset hearing loss and presbycusis. Males and females exhibit similar degrees of hearing loss until about 3 months of age, after which, the loss accelerates in females. This pape...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2008.12.002
更新日期:2009-06-01 00:00:00
abstract::Blind cave fish employ superficial neuromasts to detect currents [Baker, C.F. and J.C. Montgomery, J. Comp. Physiol. A 184 (1999) 519-527]. Briefly exposing fish to calcium-free water significantly reduces the ability of the fish to perform rheotaxis (i.e., to orient properly in currents). Spontaneous recovery to cont...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(02)00705-0
更新日期:2002-12-01 00:00:00
abstract::Bushy cells of the ventral cochlear nucleus produce a single, short latency action potential at the beginning of long depolarisations. In the present work an immunochemical survey was performed to detect the presence of K+ channel subunits which may contribute to the specific membrane properties of the bushy cells. Th...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2004.07.020
更新日期:2005-01-01 00:00:00
abstract::Although gap junctions occur in auditory and vestibular systems, their function is unclear. Here we present evidence for gap junctional communication in transmitting mechanosensory signals in a sea anemone model system. Hair bundles on anemone tentacles are vibration-sensitive mechanoreceptors that regulate discharge ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(00)00047-2
更新日期:2000-06-01 00:00:00
abstract::The ability of auditory-nerve (AN) fibers to encode modulation frequencies, as characterized by temporal modulation transfer functions (TMTFs), generally shows a low-pass shape with a cut-off frequency that increases with fiber characteristic frequency (CF). Because AN-fiber bandwidth increases with CF, this result ha...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2012.02.004
更新日期:2012-04-01 00:00:00
abstract::This review is concerned with the operation of circuits in the central auditory system, how they transform response features and what functional significance may be attributed to those transformations. We focus on the role that GABAergic inhibition plays in processing interaural intensity disparities (IIDs), the princ...
journal_title:Hearing research
pub_type: 杂志文章,评审
doi:10.1016/s0378-5955(02)00362-3
更新日期:2002-06-01 00:00:00
abstract::A small, acidic Ca(2+)-binding protein (CBP-15) was recently detected in extracts of the mammalian auditory receptor organ, the organ of Corti [Senarita et al. (1995) Hear. Res. 90, 169-175]. N-terminal sequence data for CBP-15 [Thalmann et al. (1995) Biochem. Biophys. Res. Commun. 215, 142-147] implied membership in ...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/s0378-5955(97)00005-1
更新日期:1997-04-01 00:00:00
abstract::Regrowth of peripheral spiral ganglion neuron (SGN) fibers is a primary objective in efforts to improve cochlear implant outcomes and to potentially reinnervate regenerated hair cells. Cyclic adenosine monophosphate (cAMP) regulates neurite growth and guidance via activation of protein kinase A (PKA) and Exchange Prot...
journal_title:Hearing research
pub_type: 杂志文章
doi:10.1016/j.heares.2011.11.010
更新日期:2012-01-01 00:00:00