DPAGT1 Gene Glycosylation Disorder Type 1J NGS Genetic DNA Test
Understanding DPAGT1 Gene Glycosylation Disorders
Congenital Disorders of Glycosylation (CDG) represent a rapidly expanding group of inherited metabolic diseases caused by defects in the complex process of protein glycosylation. The DPAGT1 Gene Glycosylation Disorder Type 1J NGS Genetic DNA Test specifically targets mutations in the DPAGT1 gene, which plays a critical role in the initial steps of N-linked glycosylation pathway. This sophisticated genetic analysis provides essential diagnostic information for patients presenting with complex multisystem disorders affecting neurological development, growth patterns, and metabolic functions.
The Science Behind Glycosylation Disorders
Glycosylation is a fundamental biological process where sugar molecules (glycans) are attached to proteins and lipids, creating glycoproteins and glycolipids essential for proper cellular function. The DPAGT1 gene encodes for the enzyme dolichyl-phosphate N-acetylglucosaminephosphotransferase 1, which catalyzes the first committed step in the N-linked glycosylation pathway. Mutations in this gene disrupt the proper formation of glycoproteins, leading to widespread cellular dysfunction and the characteristic clinical features of CDG type 1J.
What This Test Measures and Detects
The DPAGT1 Gene Glycosylation Disorder Type 1J NGS Genetic DNA Test utilizes advanced Next-Generation Sequencing (NGS) technology to comprehensively analyze the entire DPAGT1 gene coding region, including:
- Complete exonic sequencing with flanking intronic regions
- Detection of single nucleotide variants (SNVs)
- Identification of small insertions and deletions (indels)
- Copy number variations (CNVs) affecting the DPAGT1 gene
- Pathogenic and likely pathogenic variants associated with CDG type 1J
Clinical Significance of Test Results
This genetic test provides definitive molecular diagnosis for patients suspected of having congenital disorders of glycosylation. The identification of specific DPAGT1 mutations enables:
- Confirmation of clinical diagnosis
- Accurate genetic counseling for family members
- Prenatal diagnosis options for future pregnancies
- Personalized management strategies based on genetic findings
Who Should Consider This Genetic Test
This comprehensive genetic analysis is recommended for individuals presenting with symptoms suggestive of congenital disorders of glycosylation, including:
Clinical Indications and Symptoms
- Infants and children with unexplained developmental delays
- Patients with neurological abnormalities including seizures, hypotonia, or ataxia
- Individuals with abnormal growth patterns (failure to thrive or short stature)
- Patients with hepatic dysfunction or coagulopathies
- Children with distinctive facial features associated with CDG
- Individuals with abnormal transferrin glycosylation patterns
- Patients with family history of glycosylation disorders
- Unexplained metabolic abnormalities in pediatric patients
Benefits of DPAGT1 Genetic Testing
Undergoing the DPAGT1 Gene Glycosylation Disorder Type 1J NGS Genetic DNA Test offers numerous clinical advantages:
Diagnostic and Therapeutic Benefits
- Precise Molecular Diagnosis: Provides definitive genetic confirmation of CDG type 1J
- Family Planning Guidance: Enables informed reproductive decisions and prenatal testing options
- Personalized Treatment Approaches: Guides targeted therapeutic interventions based on specific genetic mutations
- Prognostic Information: Helps predict disease progression and potential complications
- Early Intervention Opportunities: Facilitates timely management of associated symptoms and comorbidities
- Research Participation: Connects patients with ongoing clinical trials and research studies
Understanding Your Test Results
Interpreting genetic test results requires careful consideration of clinical context and family history. Our comprehensive report includes:
Result Interpretation Guidelines
- Positive Result: Identification of known pathogenic variants confirms diagnosis of CDG type 1J
- Negative Result: No pathogenic variants detected, though other genetic causes should be considered
- Variant of Uncertain Significance (VUS): Genetic changes with unclear clinical significance require further evaluation
- Carrier Status: Identification of individuals with single pathogenic variants who may be asymptomatic carriers
All results are accompanied by detailed clinical correlations and recommendations for follow-up care. Genetic counseling is strongly recommended to discuss implications for the patient and family members.
Test Pricing and Availability
| Test Component | Price (USD) |
|---|---|
| Discount Price | $500 |
| Regular Price | $700 |
Test Specifications
- Turnaround Time: 3 to 4 Weeks
- Sample Type: Blood, Extracted DNA, or One Drop Blood on FTA Card
- Methodology: Next-Generation Sequencing (NGS) Technology
- Specialty: Metabolic Genetics
Pre-Test Requirements
To ensure optimal testing outcomes, we recommend:
- Complete clinical history of the patient
- Genetic counseling session to create detailed family pedigree
- Discussion of testing implications with healthcare provider
- Informed consent for genetic testing
Nationwide Testing Availability
We proudly serve patients across the United States with convenient testing locations in all major metropolitan areas including New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, San Jose, and many more. Our network of certified genetic counselors and healthcare professionals ensures accessible, high-quality genetic testing services nationwide.
Take the Next Step Toward Genetic Clarity
If you or your loved one is experiencing symptoms suggestive of congenital disorders of glycosylation, the DPAGT1 Gene Glycosylation Disorder Type 1J NGS Genetic DNA Test provides the comprehensive genetic analysis needed for accurate diagnosis and personalized care planning. Our team of genetic specialists is ready to guide you through the testing process and help interpret your results within the context of your unique clinical situation.
Call or WhatsApp us today at +1(267) 388-9828 to schedule your genetic counseling session and book your DPAGT1 genetic test. Take control of your genetic health with advanced NGS technology and expert clinical support.

