How the Zebrafish May Cure Hearing Loss
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How the Zebrafish May Cure Hearing Loss

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http://hearing-aids-anaheim-ca.com “I’m sorry, your heaHearing Lossring loss is permanent.” For thousands of Americans each year, hearing loss that requires help for better communication becomes ...

http://hearing-aids-anaheim-ca.com “I’m sorry, your heaHearing Lossring loss is permanent.” For thousands of Americans each year, hearing loss that requires help for better communication becomes a reality. In fact, nearly one out of every ten people has a hearing loss in the United States. The most common hearing loss is damage to the inner ear hair cells, or cilia, that reside in the cochlea.

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How the Zebrafish May Cure Hearing Loss How the Zebrafish May Cure Hearing Loss Presentation Transcript

  • How theZebrafish MayCure Hearing Loss
  • “I’m sorry, your hearing loss is permanent.” For thousands of Americans each year, hearing loss that requires help for bettercommunication becomes a reality.
  • The most common hearing loss is damage to the inner ear hair cells, or cilia, that reside in the cochlea. The damage, calledsensorineural hearing loss, can becaused by many things, includingexcessive noise exposure, disease processes, exposure to medications and due to the “accumulation of birthdays.”
  • Why is sensorineural hearing loss permanent? Once hair cells die, they cannotbe replaced. They do not regrowor regenerate. These cells are thesingle most important part of the mechanical working part of the ear.
  • If the hair cells are damaged, the information cannot be passed on to the hearing nerve. Whensomeone has damagedor missing hair cells, the result will bepermanent hearing loss.
  • What’s being done about it?In recent years, a research teamat the University of Washington’s Merrill Bloedel Research Center has been working on finding a way to resolve the problem of permanent hearing loss
  • The most recent research involves the zebrafish. The zebrafish has hair cells running along the sides of itsbody that help sense vibrations in the water.
  • The vibrations are converted toelectrical information that is thensent to the brain. Sound familiar? Unlike human hair cells, though,the hair cells of the zebrafish are able to regenerate when damaged.
  • Researchers hope to find out how the zebrafish regenerates their hair cells and use thisinformation to develop a way for humans to regenerate damaged or missing hair cells.