Test Price
2,800 AED✅ Home Collection Available
GATAD2B Gene Sequencing (Autosomal Dominant Intellectual Disability Type 18) NGS Test in UAE | 2800 AED | 2026 DHA Guidelines
تحليل جين GATAD2B للإعاقة الذهنية الجسدية السائدة النمط 18 في الإمارات | 2800 درهم | معتمد من هيئة الصحة بدبي
Executive Summary (ملخص تنفيذي):
- ✓ Accuracy Guarantee: 99.9% Diagnostic Sensitivity achieved via ISO 15189 & ISO 9001:2015 accredited Next Generation Sequencing (NGS) with full coding exon coverage and splice site analysis. Close collaboration with the relevant Neurologist ensures clinical-grade variant interpretation.
- ✓ Premium Logistics: Paid Hospital-Grade Home Collection via ISO Certified Cold-Chain Home Collection. Our trained VIP Mobile Phlebotomy team ensures sample integrity from collection to processing, utilizing DNA-stabilizing FTA Cards or EDTA whole blood tubes.
- ✓ Clinical Guidance: Telephonic Post-Test Clinical Guidance in result interpretation, bridging the genomic findings with neurological phenotypes to support precise clinical decision-making.
- ✓ Insurance: Direct Billing Verification via WhatsApp +971 54 548 8731. We handle pre-approval queries for neurology consultations linked to this genetic investigation.
Clinical & Genomic Overview
The GATAD2B gene encodes a transcriptional repressor critical for neurodevelopment; pathogenic variants cause Autosomal Dominant Intellectual Disability Type 18 (MRD18), featuring global developmental delay, limited speech, and distinct dysmorphic features. This NGS test in the UAE comprehensively screens the full coding sequence to confirm a molecular diagnosis, guiding neurologists in targeted management and family recurrence risk counseling.
| Feature | Our GATAD2B NGS Test | Closest Alternative (e.g., Single Gene Sanger) |
|---|---|---|
| Diagnostic Precision | Massively Parallel Sequencing; Detects SNVs, indels, and small CNVs | Targeted base-by-base read; Limited to known mutation hotspots |
| Methodology | Next Generation Sequencing (NGS) with robust bioinformatics pipeline | Sanger Sequencing (limited throughput, stepwise cost) |
| Turnaround Time (TAT) | 3 to 4 Weeks (Comprehensive analysis & report) | Often >6 Weeks for full gene coverage via iterative runs |
Physician Insight & Safety Protocol
“In my clinical practice, a definitive GATAD2B molecular diagnosis transforms the patient's journey from a diagnostic odyssey to actionable management. However, a genetic variant's pathogenicity must always be interpreted within the full context of the patient's neurological phenotype and family history, not in isolation,” states Dr. Prabhakar Reddy (DHA: 61713011), emphasizing clinical correlation.
⛔ Critical Medication Warning
Do not discontinue or adjust any prescribed anti-epileptic, neuroleptic, or developmental support medication without direct consultation with your treating neurologist or physician. Genetic test results inform long-term strategy, not acute pharmacological changes.
Patient Safety: Exclusion Criteria & ER Red Flags
- Exclusion: Inadequate sample volume (<1 drop on FTA Card or <1mL whole blood); Sample compromised by heparin contamination (inhibits sequencing enzymes); Recent hematopoietic stem cell transplant (allogeneic) may cause false-negative results.
- Emergency Red Flags (Urgent Neurology Review, not a standalone test): Acute regression in achieved milestones; New-onset treatment-resistant seizures; Status epilepticus. These require immediate emergency intervention, not elective genetic waiting.
Patient FAQ & Clinical Guidance
1. How does the GATAD2B NGS test guide therapy and management for intellectual disability in the UAE?
Confirming a GATAD2B mutation through NGS ends the diagnostic uncertainty, allowing neurologists to implement gene-specific surveillance protocols for associated non-neurological features such as congenital heart defects and to connect families with precise genetic counseling resources available in Dubai and Abu Dhabi. Early diagnosis facilitates access to specialized early intervention therapies tailored to MRD18's developmental trajectory.
٢. ما هي أهمية جلسة الاستشارة الوراثية قبل إجراء تحليل جين GATAD2B؟
جلسة الاستشارة الوراثية قبل الفحص ضرورية لرسم شجرة العائلة وتحديد نمط الوراثة الجسدية السائدة بدقة، مما يساعد على تقييم خطر تكرار الحالة للأشقاء والأجيال القادمة وفقًا لأحدث توجيهات هيئة الصحة بدبي.
3. What is the sample requirement for a high-quality GATAD2B NGS sequencing?
A single drop of blood dried onto a specialized DNA FTA Card, or alternatively 2-3mL of whole blood in an EDTA tube, serves as the optimal starting material because the matrix stabilizes nucleic acids at ambient temperature during ISO-certified cold-chain transport. For patients who cannot provide blood, extracted DNA of acceptable purity (A260/280 ratio ~1.8) is a viable alternative.
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