Emerging biotechnologies and biomedical engineering technologies for hearing reconstruction.

Area of Science:

• Biomedical Engineering
• Regenerative Medicine
• Otolaryngology

Background:

• Hearing impairment is a significant global health issue impacting communication and the economy.
• Sensorineural hearing loss stems from damage to cochlear hair cells and spiral ganglion neurons (SGNs).
• Current treatments for hearing loss are limited, necessitating novel therapeutic approaches.

Purpose of the Study:

• To review advancements in biotechnologies and biomedical engineering for hearing reconstruction.
• To highlight the application of gene therapy, cochlear organoids, drug delivery, and bionic scaffolds.
• To discuss challenges and future perspectives in auditory disease treatment.

Main Methods:

• Review of current literature on biotechnological and biomedical engineering applications in hearing restoration.
• Analysis of strategies including gene therapy, cochlear organoids, and advanced drug delivery systems.
• Examination of biomedical engineering techniques such as electrode coating, electrical stimulation, and bionic scaffolds.

Main Results:

• Biotechnologies like gene therapy and cochlear organoids show promise for cell regeneration.
• Biomedical engineering approaches, including targeted drug delivery and bionic scaffolds, are advancing hearing reconstruction.
• Combined strategies offer potential for functional recovery of auditory pathways.

Conclusions:

• Biotechnologies and biomedical engineering provide innovative avenues for treating hearing impairment.
• Regenerative strategies targeting cochlear cells and neurons are crucial for hearing restoration.
• Further research and development are needed to overcome existing challenges and optimize therapeutic outcomes.