The Genetic Basis of Auditory Neuropathy Spectrum Disorder
-
Majid Karimi
,
Mohsen Ahadi
,
Mohammad Ajalloueyan
,
Nader Saki
,
Saeid Morovvati
,
Golshan Mirmomeni
Abstract
Introduction: Despite normal outer hair cell function, auditory neuropathy spectrum disorder (ANSD) disrupts neural coordination and impairs speech comprehension, especially in noisy environments.This review study explores the genetic mechanisms underlying ANSD.
Materials and Methods: PubMed, Scopus, and Web of Science were searched from 2010 to 2023 for studies on ANSD genetics, excluding those focused on non-genetic causes or lacking relevant data.
Results: ANSD is associated with conditions such as Brown-Vialetto-Van Laere syndrome (BVVL) and Charcot-Marie-Tooth (CMT) disease, often resulting from mutations in the auditory nerve. Nonsyndromic ANSD is associated with genes such as OTOF and PJVK, which are essential for neural function.
Conclusion: ANSD is a multifactorial condition resulting from genetic mutations in key genes, which disrupt auditory pathways and impair sound signal transmission. Further research is needed to identify additional genes and understand molecular mechanisms contributing to ANSD. This knowledge will improve diagnosis, prognosis, and therapeutic strategies, and could lead to innovative treatment approaches in the future.
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| Issue | Vol 20 No 1 (2026) | |
| Section | Review Article(s) | |
| DOI | https://doi.org/10.18502/jmr.v20i1.21021 | |
| Keywords | ||
| Auditory neuropathy Genetic mutation Hearing loss | ||
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