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DNA Labs India

SMAD3 Gene Loeys-Dietz syndrome type 1C NGS Genetic Test

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SMAD3 Gene Loeys-Dietz syndrome type 1C NGS Genetic Test

Short Name: SMAD3 Gene Loeys-Dietz Syndrome Type 1C NGS Test

Also known as: SMAD3 Gene Test, LDS Type 1C Genetic Test, Loeys-Dietz Syndrome Type 1C NGS Test

SMAD3 Gene Loeys-Dietz syndrome type 1C NGS Genetic Test test available at DNA Labs India for ₹20,000. Uses Next-Generation Sequencing (NGS) on Blood or Extracted DNA or One drop Blood on FTA Card samples. Results in 3 to 4 Weeks. Free home collection in 300+ cities across India.

Next-Generation Sequencing (NGS)🏠 Home Collection

🩺 Medically Reviewed By

Overview

The purpose of the SMAD3 Gene Loeys-Dietz Syndrome Type 1C NGS Genetic Test is to identify pathogenic mutations in the SMAD3 gene that cause Loeys-Dietz syndrome type 1C. This test aids in confirming diagnosis, assessing risk for family members, informing treatment decisions, and enabling genetic counseling for affected individuals and their families.

Test Code
2442
Price
₹20,000
Sample Type
Blood or Extracted DNA or One drop Blood on FTA Card
Result Time
3 to 4 Weeks
Fasting Required
No
Method
Next-Generation Sequencing (NGS)
Step 1

Sample Collection

Clinical history of the patient and a genetic counseling session to draw a pedigree chart of family members affected with Loeys-Dietz syndrome.

Method: Venipuncture

Step 2

Laboratory Analysis

Sample collection via venipuncture for blood or use of extracted DNA or one drop blood on FTA card.

Step 3

Report Delivery

Sample is processed in the laboratory for NGS analysis. Genetic counseling is provided post-test to discuss results.

Timeline: 3 to 4 Weeks

Patient Instructions

1
Before the Test:Genetic counseling session to discuss family history and draw a pedigree chart. Provide clinical history of the patient.
2
During the Test:Sample collection (blood or DNA) is performed at home or in a lab. The process is minimally invasive.
3
After the Test:Results are analyzed and delivered in 3 to 4 weeks. A follow-up genetic counseling session is included to explain findings.

About This Test

Who Should Get This Test

The purpose of the SMAD3 Gene Loeys-Dietz Syndrome Type 1C NGS Genetic Test is to identify pathogenic mutations in the SMAD3 gene that cause Loeys-Dietz syndrome type 1C. This test aids in confirming diagnosis, assessing risk for family members, informing treatment decisions, and enabling genetic counseling for affected individuals and their families.

How to Prepare

  • Provide blood sample or extracted DNA as specified.
  • Ensure proper labeling and handling of the sample.
  • No fasting required prior to sample collection.

Doctor's Notes

Reviewed by — MBBS, MD (Medical Genetics) · Reg. No. 8532

"Early genetic diagnosis of Loeys-Dietz syndrome is crucial for monitoring and preventing life-threatening cardiovascular complications, especially in patients with a family history or suggestive symptoms."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeBlood or Extracted DNA or One drop Blood on FTA Card
Collection MethodVenipuncture

Understanding Your Results

Results from the SMAD3 Gene Loeys-Dietz Syndrome Type 1C NGS Genetic Test indicate the presence or absence of pathogenic mutations in the SMAD3 gene. A positive result confirms a diagnosis of Loeys-Dietz syndrome type 1C, while a negative result suggests no detectable mutations, but does not rule out other genetic causes.
📊

Positive for pathogenic SMAD3 mutation

Confirms diagnosis of Loeys-Dietz syndrome type 1C. Genetic counseling recommended for family screening and management.

📊

Negative for pathogenic SMAD3 mutation

No mutations detected in the SMAD3 gene. Clinical correlation and further testing may be needed if symptoms persist.

📊

Variant of uncertain significance (VUS)

A genetic variant was found but its clinical significance is unknown. Follow-up testing and consultation with a genetic specialist are advised.

⚠️ When to Consult a Doctor:

Consult a doctor or genetic counselor if you or a family member exhibit symptoms of Loeys-Dietz syndrome, such as arterial aneurysms, cleft palate, or joint hypermobility, or if there is a known family history of the condition.

Limitations

  • This test may not detect all types of mutations in the SMAD3 gene, such as large deletions or duplications.
  • Results should be interpreted in conjunction with clinical findings and family history.

Risks & Considerations

  • Minimal physical risk from blood draw (e.g., bruising, discomfort).
  • Potential psychological impact from test results, addressed through genetic counseling.

Frequently Asked Questions

What is Loeys-Dietz syndrome?
Loeys-Dietz syndrome is a rare genetic disorder that affects connective tissues, leading to symptoms like arterial aneurysms, cleft palate, and joint hypermobility. It is caused by mutations in genes such as SMAD3.
What is the SMAD3 gene?
The SMAD3 gene provides instructions for making a protein involved in cell signaling pathways that regulate growth and development. Mutations in this gene can cause Loeys-Dietz syndrome type 1C.
How is the SMAD3 Gene Loeys-Dietz Syndrome Type 1C NGS Genetic Test performed?
The test uses next-generation sequencing (NGS) to analyze the SMAD3 gene for mutations. A blood or DNA sample is collected and processed in the laboratory.
What are the symptoms of Loeys-Dietz syndrome type 1C?
Symptoms include arterial aneurysms, cleft palate, craniosynostosis, dental abnormalities, easy bruising, joint hypermobility, low-set ears, and translucent skin.
What is the cost of this genetic test?
The cost of the SMAD3 Gene Loeys-Dietz Syndrome Type 1C NGS Genetic Test at DNA Labs India is INR 20,000, which includes the test and a genetic counseling session.
Is home sample collection available?
Yes, DNA Labs India offers free home sample collection for online bookings across India, including major cities like Mumbai, Delhi, Bangalore, and more.
How long does it take to get the results?
Results are typically available within 3 to 4 weeks after sample collection.
What does a positive test result mean?
A positive result indicates the presence of a pathogenic mutation in the SMAD3 gene, confirming a diagnosis of Loeys-Dietz syndrome type 1C. Genetic counseling is recommended for next steps.
Is genetic counseling included in the test?
Yes, the test cost includes a genetic counseling session to help interpret results and discuss implications for the patient and family.
Can this test be used for prenatal diagnosis?
This test is primarily for diagnostic purposes in individuals with symptoms or family history. For prenatal testing, consult a genetic counselor for appropriate options.
What are the risks of genetic testing?
Risks are minimal, such as discomfort from blood draw. Psychological impacts may occur, but genetic counseling is provided to address concerns.
How should I prepare for the test?
No special preparation is needed. Provide your clinical history and attend the pre-test genetic counseling session to draw a family pedigree chart.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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