Connexin 30 Mutation Detection Test
Understanding Connexin 30 Genetic Testing
The Connexin 30 Mutation Detection Test represents a breakthrough in genetic diagnostics for hearing disorders. This specialized molecular test examines the GJB6 gene, which encodes the connexin 30 protein—a critical component of gap junctions in the inner ear. These gap junctions facilitate intercellular communication and potassium recycling essential for proper auditory function. When mutations occur in this gene, they disrupt normal hearing mechanisms, leading to various forms of hereditary hearing loss.
Scientific Foundation and Clinical Significance
Connexin proteins form gap junctions that create channels between adjacent cells, allowing the passage of ions, nutrients, and signaling molecules. In the cochlea, connexin 30 works in concert with connexin 26 to maintain the endocochlear potential necessary for sound transduction. Mutations in the GJB6 gene can cause autosomal recessive nonsyndromic hearing loss, making this test crucial for accurate diagnosis and family counseling.
What the Test Detects
This advanced genetic test specifically identifies:
- Point mutations in the GJB6 gene coding region
- Small deletions and insertions affecting connexin 30 function
- Genetic variations associated with DFNB1 nonsyndromic hearing loss
- Mutations that disrupt gap junction formation in the inner ear
- Genetic markers for progressive hearing loss patterns
Who Should Consider This Test
Clinical Indications and Symptoms
This test is recommended for individuals experiencing:
- Unexplained sensorineural hearing loss, especially in childhood
- Family history of hereditary hearing impairment
- Progressive hearing deterioration without clear cause
- Congenital hearing loss requiring genetic diagnosis
- Planning for cochlear implantation with genetic counseling needs
- Family members of individuals with confirmed connexin mutations
Benefits of Connexin 30 Mutation Testing
Undergoing this genetic analysis provides numerous advantages:
- Accurate Diagnosis: Confirms genetic basis of hearing loss, eliminating diagnostic uncertainty
- Family Planning Guidance: Provides crucial information for genetic counseling and reproductive decisions
- Early Intervention: Enables timely implementation of hearing aids, cochlear implants, or communication strategies
- Prognostic Information: Helps predict hearing loss progression and associated complications
- Personalized Treatment: Guides appropriate auditory rehabilitation and educational planning
- Research Contribution: Advances understanding of genetic hearing disorders
Understanding Your Test Results
Interpretation Guidelines
Your test results will fall into one of several categories:
- Normal Result: No pathogenic mutations detected in the GJB6 gene
- Pathogenic Mutation Identified: Confirms genetic cause of hearing loss
- Variant of Uncertain Significance: Genetic change identified with unknown clinical impact
- Carrier Status: Identifies individuals with one mutated copy who may pass the condition to offspring
All results include detailed interpretation by our certified genetic counselors and molecular pathologists. We provide comprehensive explanations of what each finding means for your health, family planning, and future medical management.
Test Pricing and Availability
| Test Name | Discount Price | Regular Price |
|---|---|---|
| Connexin 30 Mutation Detection Test | $200 USD | $262 USD |
Sample Requirements and Processing
Sample Type: 4 mL (2 mL minimum) whole blood in 1 Lavender top (EDTA) tube
Shipping Instructions: Ship refrigerated. DO NOT FREEZE
Required Documentation: Duly filled Genomics Clinical Information Requisition Form (Form 20) is mandatory
Turnaround Time: Sample submitted by 11 am; Report delivered within working days
Nationwide Testing Availability
We have diagnostic centers across the United States, including major metropolitan areas such as New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our network ensures convenient access to advanced genetic testing regardless of your location.
Take Control of Your Hearing Health
Don’t let unexplained hearing loss remain a mystery. The Connexin 30 Mutation Detection Test provides definitive answers that can transform your approach to hearing health management. Our team of neurologists, ENT specialists, and genetic counselors stand ready to support you through every step of the testing process.
Ready to schedule your test? Call or WhatsApp us today at +1(267) 388-9828 to book your appointment and take the first step toward understanding your genetic hearing health.
Our molecular diagnostics laboratory utilizes state-of-the-art PCR sequencing technology to deliver the most accurate and reliable results. Trust General Genetics Corporation for your genetic testing needs—where advanced science meets compassionate patient care.

