Researchers Found Sex-Based Hearing Loss Link
A study in mice reveals how the Slc16a5 gene and Mct6 protein influence early-onset auditory function differences.
Updated on Oct. 14, 2026 in Women’s Health
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Researchers identified distinct sex-based differences in hearing loss linked to the Slc16a5 gene. Female mice lacking the Mct6 protein experienced hearing loss at six weeks, while male mice maintained auditory function at 12 weeks.
Why it matters
The study addresses the underlying biological basis for documented functional differences in hearing between sexes. Understanding these mechanisms is a critical step toward developing future methods to modulate and prevent acquired hearing loss.
Researchers utilized knockout mice with the Slc16a5 gene deactivated to study the role of the Mct6 protein. Transcriptomic profiling showed that female mice lacking this protein experienced sensory hair cell loss, while male mice did not.
The players
Hu
Hu is a professor who joined UT Dallas in 2025 and has a 25-year tenure in the field.
University at Buffalo
This institution served as the collaborating research partner for the study.
The details
By monitoring the metabolism of cochlear cells and the transfer of metabolites, scientists discovered that the absence of Mct6 leads to changed expression of estrogen-responsive genes. This research highlights the challenges of treating hearing loss, as sensory hair cells in the inner ear do not naturally regenerate.
Timeline
6 weeks of age was when female mice exhibited early-onset hearing loss.
12 weeks of age was when male mice demonstrated preserved auditory function.
2025 was the year that Hu joined UT Dallas.
Health Landscape
This research builds upon the work conducted at the Inner Ear Research Lab by identifying how specific proteins influence auditory health. The findings shift the scientific understanding of acquired hearing loss, which is typically associated with aging, medication, or noise.
While the study currently involves mice, it provides a foundation for understanding how biological sex influences susceptibility to hearing conditions. This could eventually lead to more personalized approaches for preventing hair cell damage caused by aging or medication.
The takeaway
This study highlights the importance of considering sex-based biological factors when researching auditory health. Future efforts will focus on translating these genetic insights into potential preventative treatments for hearing loss.
Further reading
For more information on current studies, visit Women’s Health.
Source note: This article includes information reported by News Center.
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