Related Experiment Video
Updated: Sep 22, 2025

07:32
Surgical Method for Virally Mediated Gene Delivery to the Mouse Inner Ear through the Round Window Membrane
Published on: March 16, 2015
16.5K
Genetic Medicine for Hearing Loss: OTOF as Exemplar
Ann E Hickox1, Michelle D Valero1, James T McLaughlin1
1Akouos Inc., Boston, Massachusetts.
Journal of the American Academy of Audiology
|May 24, 2022
Summary
Genetic medicine offers hope for disabling hearing loss caused by faulty genes. Delivering correct genes, like otoferlin (OTOF), to the inner ear may restore hearing function.
Area of Science:
- Otolaryngology
- Genetics
- Molecular Biology
Background:
- Disabling hearing loss affects millions globally, often stemming from genetic mutations.
- Specific gene mutations lead to incorrect protein production essential for auditory function.
- Restoring proper gene function in the inner ear presents a potential therapeutic avenue.
Purpose of the Study:
- To outline a strategy for developing genetic medicines to treat hearing loss.
- To focus on otoferlin (OTOF) gene-mediated hearing loss as a model.
- To explore the potential of gene delivery for restoring cochlear function.
Main Methods:
- Reviewing current genetic medicine strategies.
- Analyzing the otoferlin gene (OTOF) and its role in hearing.
- Identifying target cells within the inner ear for gene delivery.
Main Results:
- Genetic medicine holds promise for treating sensorineural hearing loss.
- Targeted gene delivery can potentially restore cochlear function.
- The OTOF gene is a key target for treating specific inherited hearing impairments.
Conclusions:
- A strategic approach to genetic medicine development is crucial for treating hearing loss.
- Gene therapy offers a viable pathway to restore physiologic hearing.
- Focusing on genes like OTOF can advance treatments for inherited auditory disorders.
Related Concept Videos
Pleiotropy
41.2K
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
41.2K
Hearing
53.2K
When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
53.2K
Genetic Lingo
105.3K
Overview
105.3K
Unrenewable Cells
2.4K
In humans, the photoreceptor cells of the eye and sensory hair cells of the ear lack stem cells. These cells are thus unrenewable and cannot be replaced when they are damaged or destroyed.
Photoreceptors
The retina is composed of several layers and contains specialized cells called photoreceptors. The photoreceptors (rods and cones) change their membrane potential when stimulated by light energy. There are two types of photoreceptors—rods and cones—which differ in the shape of...
Photoreceptors
The retina is composed of several layers and contains specialized cells called photoreceptors. The photoreceptors (rods and cones) change their membrane potential when stimulated by light energy. There are two types of photoreceptors—rods and cones—which differ in the shape of...
2.4K
Gene-Environment Interactions
587
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
587
Anatomy of the Ear
9.0K
Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
9.0K

