The goal of this case-control study is to pave the way for new revolutionary treatment measures within hearing loss that could either replace or delay the need for hearing aids. The study focuses on people with Turner syndrome (TS). The aim is to find out if there are specific DNA methylation patterns and/or RNA expression profiles linked to sensorineural hearing loss (SNHL) in people with TS. Additionally, the structure and function of the inner ear in these individuals will be examined to see if there is a connection to their epigenetic profile. The main question it aims to answer is: Does epigenetics constitute a common denominator for some of the unexplained SNHL cases? Turner Syndrome (TS) represents an ideal model for studying epigenetics related to sensorineural hearing loss (SNHL). Participants will undergo the following tests: * Ear examinations * Hearing tests * Balance tests * Blood tests * MRI scans * CBCT (cone-beam computed tomography) scans
Study Type
OBSERVATIONAL
Enrollment
150
ENT department of Gødstrup Hospital
Herning, Denmark
RECRUITINGEpigenetic profile
DNA methylation analyses are conducted on the purified DNA. RNA expression analyses and ChIP-seq are performed on the purified RNA. Based on this, the epigenetic profile will be mapped to identify consistent differences associated with SNHL.
Time frame: 2024-2026
Hearing ability
Hearing level thresholds and bone conduction is assesed by pure tone audiometry.
Time frame: 2024-2026
Vestibular status
The vestibular function is assessed using the video head impulse test (vHIT), vestibular evoked myogenic potentials, and posturography.
Time frame: 2024-2026
Structural malformations
Anatomy and inner ear malformations are examined using Conebeam CT and MRI.
Time frame: 2024-2026
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