TMC1 Gene Deafness Autosomal Recessive Type 7 NGS Genetic DNA Test
Understanding TMC1 Gene Deafness and Its Clinical Significance
The TMC1 Gene Deafness Autosomal Recessive Type 7 NGS Genetic DNA Test represents a breakthrough in molecular diagnostics for hereditary hearing disorders. This comprehensive genetic analysis specifically targets mutations in the TMC1 (Transmembrane Channel-like 1) gene, which plays a crucial role in the function of hair cells within the inner ear. These specialized cells are essential for converting sound vibrations into electrical signals that the brain interprets as sound.
Autosomal recessive deafness type 7, caused by TMC1 gene mutations, typically manifests as prelingual or congenital hearing loss, meaning affected individuals are born with hearing impairment or develop it shortly after birth. The condition follows an autosomal recessive inheritance pattern, requiring both parents to carry a mutated copy of the TMC1 gene for their child to be affected.
What This Advanced Genetic Test Detects
Our state-of-the-art NGS (Next Generation Sequencing) technology provides comprehensive analysis of the TMC1 gene, identifying:
- Point mutations and single nucleotide variants
- Small insertions and deletions
- Copy number variations affecting the TMC1 gene
- Pathogenic variants known to cause autosomal recessive deafness
- Novel mutations with potential clinical significance
The test examines the entire coding region and critical regulatory elements of the TMC1 gene, ensuring maximum detection sensitivity for mutations responsible for hereditary hearing loss.
Who Should Consider TMC1 Genetic Testing?
Clinical Indications and Symptoms
This genetic test is particularly recommended for individuals presenting with:
- Unexplained congenital or early-onset hearing loss
- Family history of hereditary hearing impairment
- Progressive hearing loss beginning in childhood
- Consanguineous parents with hearing disorders
- Children with sensorineural hearing loss of unknown etiology
- Candidates for cochlear implantation seeking genetic counseling
- Couples planning pregnancy with family history of hearing disorders
Comprehensive Benefits of TMC1 Genetic Testing
Undergoing TMC1 gene analysis provides numerous clinical advantages:
- Accurate Diagnosis: Confirms genetic basis of hearing loss, eliminating diagnostic uncertainty
- Early Intervention: Enables timely implementation of hearing aids, cochlear implants, or communication strategies
- Family Planning Guidance: Provides crucial information for genetic counseling and reproductive decisions
- Personalized Management: Helps develop targeted hearing rehabilitation programs
- Prognostic Information: Offers insights into potential progression and severity of hearing loss
- Research Contribution: Advances understanding of genetic hearing disorders
Understanding Your Test Results
Interpretation and Clinical Implications
Your TMC1 genetic test results will fall into one of several categories:
Positive Result
A positive result indicates the presence of pathogenic mutations in both copies of the TMC1 gene, confirming the diagnosis of autosomal recessive deafness type 7. This result provides definitive genetic confirmation and enables appropriate management strategies.
Carrier Status
Identification of a single mutated TMC1 gene copy indicates carrier status. While carriers typically have normal hearing, they have a 50% chance of passing the mutation to their children.
Negative Result
A negative result suggests that TMC1 gene mutations are not responsible for the hearing loss, directing further investigation toward other genetic or environmental causes.
Variant of Uncertain Significance (VUS)
Some genetic changes may have unknown clinical significance. These variants require careful interpretation by genetic specialists and may need family studies for clarification.
Test Details and Pricing
| Test Component | Details |
|---|---|
| Test Name | TMC1 Gene Deafness Autosomal Recessive Type 7 NGS Genetic DNA Test |
| Discount Price | $500 USD |
| Regular Price | $700 USD |
| Turnaround Time | 3 to 4 Weeks |
| Sample Type | Blood, Extracted DNA, or One Drop Blood on FTA Card |
| Testing Method | Next Generation Sequencing (NGS) Technology |
| Specialty | ENT Doctor, Genetics Department |
Pre-Test Preparation and Requirements
Before undergoing TMC1 genetic testing, we recommend:
- Comprehensive clinical history documentation of hearing disorders
- Genetic counseling session to discuss testing implications
- Development of detailed family pedigree chart
- Discussion of potential outcomes and their significance
- Informed consent process explaining benefits and limitations
Nationwide Accessibility and Convenience
General Genetics Corporation maintains testing facilities across the United States, ensuring convenient access to advanced genetic diagnostics. Our network includes specialized centers in:
- New York City and surrounding metropolitan areas
- Los Angeles and Southern California regions
- Chicago and Midwest locations
- Houston, Dallas, and Texas facilities
- Phoenix, Arizona testing centers
- Major cities throughout all 50 states
Take Control of Your Hearing Health Today
Early genetic diagnosis of TMC1-related hearing loss can significantly impact quality of life and treatment outcomes. Our comprehensive testing provides the clarity needed for informed healthcare decisions and personalized management strategies.
Ready to schedule your TMC1 Genetic DNA Test? Contact our genetic specialists today to discuss your testing needs and schedule an appointment at one of our conveniently located facilities nationwide.
Call or WhatsApp: +1(267) 388-9828
Our experienced genetic counselors are available to answer your questions, explain the testing process, and help you understand how TMC1 genetic testing can benefit you and your family. Don’t wait to gain valuable insights into your hearing health – book your comprehensive genetic assessment today.

