Treatment With Calcineurin Inhibitor FK506 Attenuates Noise-Induced Hearing Loss


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Calcineurin activation contributes to noise-induced hearing loss.

Acoustic overstimulation increases Ca(2+) concentration in auditory hair cells. Because calcineurin is known to activate cell death pathways and is controlled by Ca(2+) and calmodulin, this study assessed the role of calcineurin in auditory hair cell death in guinea pigs after intense noise exposure. Immediately after noise exposure (4-kHz octave band, 120 dB, for 5 hr), a population of hair ce...

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The Effect of Celecoxib, a Cyclooxygenase-2 Inhibitor on Noise- Induced Hearing Loss

Objective(s): Noise-induced hearing loss (NIHL) is the major cause of acquired hearing loss.  Celecoxib, a cyclooxygenase-2 (COX-2) inhibitor, is a non- steroidal anti- inflammatory drug (NSAID) with known antioxidant and antineoplastic activity. Therefore, we monitored the extent of temporary noise- induced threshold shifts (TTS) and cochlear damage caused by high level 4- kHz noise exposure t...

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[Treatment of noise-induced hearing loss].

In most textbooks, it is stated that noise-induced hearing loss (NIHL) is an irreversible impairment of hearing. This is certainly true for the slowly, over time acquired NIHL. Working for years in a very noisy environment is causing a gradual killing of hair cells in the inner ear, with no hope for recovery. The other way of acquiring NIHL is by means of exposure to impact noise, and may cause...

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JAK2/STAT3 Inhibition Attenuates Noise-Induced Hearing Loss

Signal transducers and activators of transcription 3 (STAT3) is a stress responsive transcription factor that plays a key role in oxidative stress-mediated tissue injury. As reactive oxygen species (ROS) are a known source of damage to tissues of the inner ear following loud sound exposure, we examined the role of the Janus kinase 2 (JAK2)/STAT3 signaling pathway in noise induce hearing loss us...

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This paper presents noise problems associated with the use of air-turbine drills in dental practice. Two hundred and fifty dentists (male and female) were randomly selected from the faculty of dentistry as well as the dentists who worked private in Tehran. The results indicated that the mean value of sound pressure level produced by the high-speed drills was 69.1 db. Most of the energy from...

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عنوان ژورنال: Frontiers in Cell and Developmental Biology

سال: 2021

ISSN: 2296-634X

DOI: 10.3389/fcell.2021.648461