GATA1 Full-Length Gene Sequencing: Booking, Price, and Results
About GATA1 Full-Length Gene Sequencing: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | GATA1 Single Gene Test, GATA Binding Protein 1 Gene Sequencing, GATA1 NGS Test |
| Sample Type | Peripheral blood (EDTA tube) |
| Fasting Required | No fasting required |
| Report Time | 30 days |
| Recommended For | Males with suspected inherited blood disorders; family members of affected individuals; newborns with Down syndrome and blood abnormalities |
| Price | Starting at ₹18,000 |
What is a GATA1 Full-Length Gene Sequencing?
GATA1 Full-Length Gene Sequencing is a specialised genetic test that examines the entire GATA1 gene for mutations that can cause inherited blood disorders. It is ordered when a person shows signs of low platelet count, abnormal red blood cell production, or a family history suggesting an X-linked blood condition. A small blood sample collected in an EDTA tube is used for analysis. This test is also known as the GATA1 Single Gene Test or GATA Binding Protein 1 Gene Sequencing.
What Does a GATA1 Full-Length Gene Sequencing Measure?
This comprehensive single-gene assay examines the GATA1 gene in detail using Next Generation Sequencing (NGS) technology. The following components are analysed:
| Component | What It Looks For |
|---|---|
| GATA1 gene sequence | Single-letter DNA changes (single nucleotide variants), insertions, and deletions |
| Copy number variants | Missing or extra copies of segments within the gene |
| Splicing junctions | Regions where the gene is processed into a functional protein |
| Pathogenic variant classification | Variants are classified as pathogenic, likely pathogenic, or of uncertain significance per established medical genetics guidelines |
Why is a GATA1 Full-Length Gene Sequencing Done?
A doctor may order this GATA1 NGS Test when a patient presents with blood abnormalities that suggest an inherited genetic cause. Below are the key reasons for requesting this test.
Common Symptoms That May Require This Test
The following symptoms often prompt a doctor to consider this test:
- Thrombocytopaenia, meaning an unusually low platelet count in the blood
- Anaemia, characterised by a low red blood cell count and associated fatigue
- Easy bruising or unexplained skin bruises (ecchymoses)
- Mucosal bleeding, such as gum bleeding or frequent nosebleeds
- Tiny red spots on the skin known as petechiae
- Neutropenia, which is a low white blood cell count
- An enlarged spleen (splenomegaly) detected during physical examination
Conditions This Test Can Help Detect
This GATA1 gene sequencing test can help identify several rare inherited blood conditions, including:
- Diamond-Blackfan anaemia, a rare inherited bone marrow failure syndrome
- Congenital dyserythropoietic anaemias with thrombocytopenia, where red blood cell production is abnormal, and platelet counts are low
- X-linked thrombocytopaenia, an inherited low platelet condition passed through the X chromosome
- X-linked thrombocytopenia with thalassaemia, combining low platelets with an inherited form of anaemia
- Congenital erythropoietic porphyria, a rare disorder affecting haem production
- Transient myeloproliferative disorder in newborns with Down syndrome
- Acute megakaryoblastic leukaemia in individuals with Down syndrome
How to Prepare and What to Expect
No special preparation is needed before this test. The following guidance will help ensure the sample is collected and processed correctly.
Do You Need to Fast?
No, fasting is not required for this test. You may eat and drink normally before your appointment.
Practical Tips Before Your Test
Please keep the following points in mind before your visit:
- Bring a detailed clinical history, including your symptoms, previous test results, and family history, as this is required for the test
- Inform the doctor if you have had a recent blood transfusion, as this can affect the DNA analysis
- Genetic counselling before the test is recommended to understand what the results may mean for you and your family
- Wear clothing with sleeves that can be rolled up easily to allow access to your arm vein
- Ensure your personal details (name, date of birth, collection date) are accurately provided for correct sample labelling
Step-by-Step Procedure
Here is what happens during and after your sample collection:
- A trained phlebotomist will clean the inside of your elbow and identify a suitable vein for collection.
- A small blood sample of 2 ml is drawn into a lavender-coloured EDTA tube, which contains a preservative to keep the blood stable.
- The filled tube is labelled with your details and stored at a refrigerated temperature of 2 to 8 degrees Celsius for transport.
- The sample is dispatched to a specialised molecular genetics laboratory, where DNA is extracted from your blood cells.
- The DNA is analysed using next generation sequencing (NGS), which reads the full GATA1 gene, including coding regions and splicing junctions.
- Qualified genetic specialists interpret the findings and prepare a written report, which is sent to your ordering doctor within 30 days.
Factors That Can Affect Accuracy
The following factors may influence the reliability of your results:
- Recent blood transfusions, which can introduce donor DNA and interfere with analysis
- Poor sample quality caused by improper storage or labelling errors
- DNA extracted outside the testing laboratory, which may reduce sensitivity
- The presence of a variant of uncertain significance, which may require further clinical evaluation
Understanding Your GATA1 Full-Length Gene Sequencing Results
Your results will be reviewed and reported by a genetic specialist. The table below gives a general overview of what different findings may indicate.
| Parameter | Normal Finding | Abnormal Finding |
|---|---|---|
| GATA1 variants | No pathogenic or likely pathogenic variants detected | Pathogenic or likely pathogenic variant identified |
| Variants of uncertain significance (VUS) | Not applicable | May be reported; requires clinical correlation |
These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
Certain patient circumstances can affect how results are interpreted:
Males are primarily affected by GATA1 mutations due to the gene's X-linked inheritance pattern.
Female carriers may experience milder symptoms such as heavy menstrual bleeding (menorrhagia), and females with two causative variants are possible but rare.
In patients with Down syndrome, a GATA1 mutation is present in almost all documented cases of transient myeloproliferative disorder, making this test particularly relevant for that group.
How to Maintain Healthy Levels
Because this is a genetic test for inherited conditions, the result itself cannot be changed by lifestyle choices. The following steps are useful once results are available:
- Work with a haematologist and genetic counsellor to plan appropriate follow-up care based on your findings
- Ensure close family members are informed, as they may benefit from carrier testing if a pathogenic variant is identified
- Attend all recommended follow-up appointments to monitor any blood disorder identified through this test
Lupin Diagnostics GATA1 Full-Length Gene Sequencing Price
The GATA1 Full-Length Gene Sequencing test is available at Lupin Diagnostics starting at ₹18,000, with home sample collection available across multiple cities.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 18000 |
| CHENNAI | 18000 |
| HYDERABAD | 18000 |
| KOLKATA | 18000 |
| NAVI MUMBAI | 18000 |
| PUNE | 18000 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Follow these steps to book your test:
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred centre location.
- Visit the centre at your scheduled time for sample collection.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Frequently Asked Questions
The GATA1 gene provides instructions for making a protein that controls the development of red blood cells and platelet-producing cells. When this gene is mutated, cells cannot mature properly, leading to blood disorders. The GATA1 gene sequencing test identifies these mutations to help doctors determine the cause of blood abnormalities.
This test is typically ordered for male patients presenting with low platelet counts, abnormal red blood cell production, or neutropenia, especially when there is a family history suggesting an X-linked blood condition. Newborns with Down syndrome and blood abnormalities may also be tested.
Yes, though less commonly. Female carriers of a single mutation often have mild symptoms such as heavy menstrual bleeding. Females with two causative GATA1 variants are possible but rare, and they typically have an affected father.
A variant of uncertain significance (VUS) is a DNA change whose effect on health is not yet clearly established. It does not confirm or rule out a diagnosis on its own. Your doctor may recommend periodic review as new scientific evidence becomes available.
GATA1 mutations have been detected in almost all studied cases of transient myeloproliferative disorder, a temporary leukaemia-like condition that can occur in newborns with Down syndrome. Testing for GATA1 mutations in this group helps guide clinical management.
The report is delivered within 30 days of the sample being received at the laboratory. The detailed nature of full-length gene sequencing requires careful analysis and expert interpretation, which accounts for the longer turnaround time.
Genetic counselling is strongly recommended before and after this test. A genetic counsellor can help you understand why the test is being done, what different outcomes may mean, and what steps to consider for yourself and your family depending on the result.
GATA1 Full-Length Gene Sequencing: Booking, Price, and Results
