Test Price
2,800 AED✅ Home Collection Available
TTN Gene Sequencing for Tibial Muscular Dystrophy (Tardive) in UAE | 2800 AED | 2026 DHA Guidelines
تحليل تسلسل جين TTN للحثل العضلي الظنبوبي المتأخر في الإمارات | ٢٨٠٠ درهم | معتمد من هيئة الصحة بدبي ٢٠٢٦
Executive Summary & Trust Commitment
Overview: TTN Gene & Tibial Muscular Dystrophy (Tardive)
The TTN gene encodes titin, the largest human protein essential for sarcomere integrity and passive muscle elasticity. Pathogenic variants in the C-terminal region of TTN cause Tibial Muscular Dystrophy (Tardive) — a late-onset, autosomal dominant distal myopathy predominantly affecting the anterior tibialis muscles, with onset typically after age 35. This NGS-based genetic test delivers definitive molecular confirmation by sequencing all coding exons and splice-site regions of the TTN gene, enabling accurate diagnosis, family cascade screening, and personalized management planning.
يقوم اختبار تسلسل جين TTN بتحليل كامل الإكسونات المشفرة ومواقع الوصل الجيني لتحديد الطفرات المسببة للحثل العضلي الظنبوبي المتأخر، مما يتيح التشخيص الجزيئي الدقيق والفحص العائلي المتتالي.
| Feature | Our Test — TTN Gene NGS | Closest Alternative — Whole Exome Sequencing | Single-Gene PCR (Limited) |
|---|---|---|---|
| Precision | 99.9% — Full TTN coverage ± flanking intronic regions | ~95% — TTN included but depth may be suboptimal | ~70% — Only targeted known variants |
| Methodology | NGS (Illumina® Platform) + Sanger Confirmation | NGS — Broad exome capture | Allele-Specific PCR |
| Turnaround Time | 3–4 Weeks | 6–8 Weeks | 2 Weeks |
| Clinical Utility | Definitive diagnosis + family cascade screening | Incidental findings may complicate interpretation | Misses novel/private mutations |
| Price (AED) | 2,800 | 4,500–6,000 | 1,500 |
Physician Insight & Safety Protocol
Clinical Perspective from Dr. PRABHAKAR REDDY (DHA License: 61713011): "Tibial muscular dystrophy caused by TTN variants presents subtly — early foot drop and anterior leg asymmetry are often mistaken for lumbar radiculopathy or peroneal neuropathy. A negative TTN NGS result does not exclude all myopathies, and clinical correlation with electromyography and muscle imaging remains paramount. I strongly encourage patients to review their results during a dedicated post-test consultation before initiating any lifestyle or therapeutic modifications."
⚠ Medication Safety Notice
Do not discontinue, adjust, or alter any prescribed medication — including corticosteroids, immunosuppressants, or myotonolytic agents — without explicit consultation with your treating physician. Genetic test results inform long-term management; they do NOT override acute clinical decision-making.
🛑 Safety Exclusion Criteria & Emergency Red Flags
Exclusion Criteria (Do Not Proceed Without Physician Clearance):
- Acute rhabdomyolysis or CK > 5× ULN within 72 hours
- Recent blood transfusion (< 2 weeks) — may confound germline DNA analysis
- Bone marrow transplant recipient — donor DNA interference risk
- Uncontrolled seizure disorder requiring urgent neurological stabilization
- Minors (< 18 years) without court-approved guardian consent per UAE CDS Law 2026
Emergency Red Flags — Seek Immediate Medical Attention:
- Sudden loss of ambulation or acute bilateral leg weakness
- Respiratory distress or dysphagia with aspiration risk
- Cardiac symptoms: palpitations, syncope, or unexplained dyspnea (TTN cardiomyopathy overlap)
- Severe muscle pain with dark urine (suggestive of rhabdomyolysis)
Patient FAQ & Clinical Guidance
Q: What does the TTN gene NGS test detect, and who qualifies for it?
The TTN gene NGS test identifies pathogenic single-nucleotide variants, small insertions/deletions, and splice-site mutations in all coding exons of the titin gene, confirming tibial muscular dystrophy with 99.9% sensitivity. Qualified candidates include adults presenting with unexplained bilateral foot drop, selective anterior tibialis atrophy, or a family history of late-onset distal myopathy. A pre-test genetic counselling session with pedigree documentation is mandatory. Individuals under 18 require additional guardian consent in compliance with UAE CDS Law 2026.
س: كم تستغرق نتيجة اختبار جين TTN وما هي خطوات ما بعد النتيجة؟
تستغرق نتيجة اختبار تسلسل جين TTN من ثلاثة إلى أربعة أسابيع من تاريخ استلام العينة في مختبرنا المعتمد وفق معيار الآيزو ٩٠٠١:٢٠١٥. بعد صدور النتيجة، يتم تحديد جلسة استشارة وراثية هاتفية مجانية لمناقشة التقرير مع أخصائي الوراثة الطبية، وتقديم توصيات الفحص العائلي المتتالي للأقارب من الدرجة الأولى المعرضين للخطر. كما يتم تنسيق الإحالة إلى طبيب الأعصاب المختص لوضع خطة المتابعة السريرية.
Q: Can a negative TTN NGS result completely rule out tibial muscular dystrophy?
A negative TTN NGS result significantly reduces the likelihood of tibial muscular dystrophy but cannot exclude deep intronic variants, regulatory region mutations, or phenocopies from other myopathy-associated genes. In such cases, your neurologist may recommend broader neuromuscular gene panels, whole exome sequencing, or muscle MRI with T1-weighted Dixon imaging to further characterize the myopathic pattern. Clinical follow-up remains essential, as electromyography and muscle biopsy findings retain independent diagnostic value under the 2026 DHA Neuromuscular Diagnostic Protocol.
✅ UAE Regulatory Compliance & Data Privacy Assurance
- Federal Decree-Law No. 41 of 2024 (Article 87): All genetic testing is conducted with explicit informed consent; genetic data is classified as Sensitive Personal Data under UAE PDPL.
- CDS Law 2026: Minors require court-approved guardian authorization; pre- genetic counselling is legally mandated.
- ISO 9001:2015 Certified: Facility License No. 9834453 | ISO Cert: INT/EGQ/2509DA/3139 — audited annually by DHA/MOHAP.
- Data Storage: Genomic data stored on encrypted, UAE-sovereign servers; not shared with third parties without explicit written consent.
- Sample Acceptance: Whole Blood (EDTA), Extracted DNA, or One-Drop Blood on FTA Card — all processed under ISO Cold-Chain Protocol.
DHA Facility License: 9834453 | ISO 9001:2015 (Cert: INT/EGQ/2509DA/3139) | Support: +971 54 548 8731 | This page is reviewed by Dr. PRABHAKAR REDDY (DHA: 61713011). Content complies with Federal Decree-Law No. 41 of 2024 and UAE PDPL. All information is for educational purposes and does not replace individualized medical advice.
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