XPC Gene Xeroderma Pigmentosum Group C NGS Genetic DNA Test
Understanding Xeroderma Pigmentosum and the XPC Gene
Xeroderma Pigmentosum (XP) is a rare genetic disorder characterized by extreme sensitivity to ultraviolet (UV) radiation from sunlight. This condition dramatically increases the risk of developing skin cancers and other serious health complications. The XPC Gene Xeroderma Pigmentosum Group C NGS Genetic DNA Test specifically analyzes the XPC gene, which plays a critical role in the nucleotide excision repair pathway – the body’s primary defense mechanism against UV-induced DNA damage.
When the XPC gene contains mutations, the DNA repair process becomes compromised, allowing UV damage to accumulate in skin cells. This genetic vulnerability leads to the characteristic symptoms of XP, including severe sunburn reactions, premature skin aging, and significantly elevated skin cancer risk, often developing decades earlier than in the general population.
What Does the XPC Gene Test Detect?
Our advanced NGS Genetic DNA Test provides comprehensive analysis of the XPC gene to identify:
- Pathogenic mutations affecting DNA repair function
- Single nucleotide variants (SNVs) and small insertions/deletions
- Copy number variations (CNVs) affecting gene dosage
- Novel genetic variants with potential clinical significance
- Autosomal recessive inheritance patterns
The test utilizes cutting-edge Next-Generation Sequencing technology, offering superior accuracy and comprehensive coverage of the entire XPC gene coding region, including splice sites and regulatory elements.
Who Should Consider This Genetic Test?
Clinical Indications and Symptoms
This test is recommended for individuals presenting with:
- Extreme sun sensitivity with severe blistering or burning after minimal sun exposure
- Development of multiple skin cancers before age 20
- Family history of Xeroderma Pigmentosum or consanguineous parents
- Freckle-like pigmentation changes in sun-exposed areas during childhood
- Ocular abnormalities including photophobia, keratitis, or eyelid tumors
- Neurological manifestations such as developmental delay or hearing loss
- Unexplained skin lesions or premature skin aging in sun-exposed regions
Comprehensive Benefits of XPC Gene Testing
Early genetic testing provides numerous advantages for patients and families:
- Early Intervention: Enables implementation of strict sun protection measures before irreversible damage occurs
- Cancer Prevention: Facilitates regular dermatological surveillance to detect and treat precancerous lesions early
- Family Planning: Provides crucial information for genetic counseling and reproductive decision-making
- Personalized Management: Guides development of individualized care plans based on specific genetic findings
- Psychological Relief: Offers clarity and reduces uncertainty for families dealing with unexplained symptoms
- Research Contribution: Helps advance scientific understanding of DNA repair disorders
Understanding Your Test Results
Interpretation Guidelines
Your XPC gene test results will fall into one of several categories:
Positive Result
Identification of two pathogenic mutations confirms the diagnosis of Xeroderma Pigmentosum Group C. This result necessitates immediate implementation of comprehensive sun protection strategies and regular dermatological monitoring.
Carrier Status
Detection of a single pathogenic mutation indicates carrier status. While carriers typically don’t develop XP symptoms, they have a 50% chance of passing the mutation to their children.
Negative Result
No pathogenic mutations detected significantly reduces the likelihood of XP Group C, though other genetic forms of photosensitivity disorders may require additional testing.
Variant of Uncertain Significance (VUS)
Some genetic changes may have unknown clinical significance. These findings require careful interpretation by genetic specialists and may warrant family studies for clarification.
Test Details and Pricing
| Test Component | Details |
|---|---|
| Test Name | XPC Gene Xeroderma Pigmentosum Group C 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 |
Pre-Test Requirements
Before scheduling your XPC gene test, please ensure:
- Complete clinical history documentation of the patient
- Genetic counseling session to create a detailed family pedigree chart
- Discussion of testing implications with a qualified genetic counselor
- Understanding of potential outcomes and their medical significance
Nationwide Accessibility
GGC DNA has testing facilities conveniently located across the United States, serving major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our network of certified genetic counselors and dermatology specialists ensures comprehensive care coordination regardless of your location.
Take Control of Your Genetic Health Today
Don’t let uncertainty about genetic risks compromise your health and quality of life. The XPC Gene Xeroderma Pigmentosum Group C NGS Genetic DNA Test provides definitive answers and empowers you with knowledge for proactive health management.
Ready to schedule your genetic test? Contact our genetic specialists today at +1(267) 388-9828 or book your appointment online. Our team is available to answer your questions, discuss insurance coverage options, and guide you through the testing process with compassion and expertise.
Take the first step toward understanding your genetic profile and implementing effective prevention strategies. Early detection through genetic testing can significantly impact long-term health outcomes for individuals at risk of Xeroderma Pigmentosum.

