Leptin Deficiency (LEP) Gene Analysis
Leptin deficiency (LEP) gene analysis Price
Brief Details
What is the Leptin Deficiency (LEP) Gene Analysis?
Leptin Deficiency (LEP) Gene Analysis is a genetic blood test used to identify inherited mutations in the LEP gene. Leptin is a hormone produced by fat cells that plays a critical role in regulating appetite, body weight, and energy balance.
Congenital leptin deficiency is a rare genetic condition that typically presents in early childhood with severe obesity, excessive hunger, and metabolic disturbances. This test uses Next Generation Sequencing technology to analyse the LEP gene and help confirm a genetic diagnosis.
What Does the Leptin Deficiency (LEP) Gene Analysis Measure?
This genetic test evaluates changes in the LEP gene to support diagnosis and management:
- Detection of disease-causing variants in the LEP gene
- Confirmation of congenital leptin deficiency
- Differentiation of genetic obesity from lifestyle-related obesity
- Support for personalised treatment planning
- Guidance for genetic counselling and family screening
Leptin Deficiency (LEP) Gene Analysis: Who Needs It and Why It’s Done
What Symptoms May Call for Leptin Deficiency (LEP) Gene Analysis?
Doctors may recommend this test if an individual shows:
- Severe early-onset obesity beginning in infancy or early childhood
- Excessive appetite or constant hunger
- Rapid weight gain despite dietary control
- Delayed puberty or hormonal abnormalities
- Family history of severe genetic obesity
Who Should Get Leptin Deficiency (LEP) Gene Analysis?
This test may be advised for:
- Children with unexplained early-onset severe obesity
- Individuals suspected of having congenital leptin deficiency
- Patients with obesity not explained by lifestyle factors alone
- Individuals with a family history of genetic obesity disorders
- Couples with known genetic risk planning pregnancy
Why is Leptin Deficiency (LEP) Gene Analysis Done?
- The test helps confirm a genetic cause of obesity, enabling targeted therapy, accurate counselling, and avoidance of ineffective lifestyle-only interventions.
Importance of Leptin Deficiency (LEP) Gene Analysis
- Early identification of leptin deficiency is important because specific treatments, including recombinant leptin therapy, may significantly improve appetite control, weight management, and metabolic health. Genetic confirmation also supports long-term management and informed family planning decisions.
Leptin Deficiency (LEP) Gene Analysis Booking & Reports – Metropolis Healthcare
How to Book the Leptin Deficiency (LEP) Gene Analysis and Get Your Reports?
- Simple Online Booking
Booking can be done through the Metropolis Healthcare website or app. Select the Leptin Deficiency (LEP) Gene Analysis, choose a convenient time slot, and opt for home sample collection or a nearby Metropolis Lab. - Safe Sample Collection
Trained phlebotomists collect blood samples while following strict safety and hygiene protocols. - Sample Tracking Updates
You receive updates at every stage, from sample collection to report generation. - Accurate Laboratory Testing
Samples are analysed at NABL and CAP accredited laboratories using advanced molecular diagnostic technology. - Quick and Easy Reports
Reports are shared via email, WhatsApp, or can be downloaded from the Metropolis Healthcare platform.
Interpreting Leptin Deficiency (LEP) Gene Analysis Results
What Your Leptin Deficiency (LEP) Gene Analysis Results May Indicate
| Parameter | Expected Finding | Pathogenic Variant Detected May Indicate | No Variant Detected May Indicate |
|---|---|---|---|
| LEP gene | No disease-causing variant detected | Congenital leptin deficiency affecting appetite and weight regulation | Obesity may be due to other genetic or non-genetic causes |
Understanding Abnormal Leptin Deficiency (LEP) Gene Analysis Results
| Gene | What a Pathogenic Variant May Indicate |
|---|---|
| LEP | Impaired leptin production leading to severe early-onset obesity and metabolic imbalance |
How Should You Prepare for Leptin Deficiency (LEP) Gene Analysis?
- No fasting required
- Maintain normal hydration
- Inform your doctor about medications or supplements
- Provide detailed clinical and family history
- Ensure test requisition form and consent are completed
How Is the Leptin Deficiency (LEP) Gene Analysis Done?
- Preparation: A tourniquet is applied to make veins visible
- Cleaning: The puncture site is cleaned with antiseptic
- Sample Collection: About 3 to 5 ml of blood is drawn into an EDTA vacutainer
- Completion: The needle is removed and a bandage is applied
- Processing: DNA is analysed using Next Generation Sequencing
Conditions That May Affect Leptin Deficiency (LEP) Gene Analysis Accuracy
- Recent blood transfusion
- Incomplete or inaccurate clinical history
- Low-level mosaic genetic changes
- Variants of uncertain significance requiring further evaluation
Diseases That Leptin Deficiency (LEP) Gene Analysis Can Help Detect
- Congenital leptin deficiency
- Genetic forms of severe early-onset obesity
- Leptin-related metabolic and endocrine disorders
References
- Farooqi I.S., Jebb S.A., Langmack G., et al. (1999). Effects of recombinant leptin therapy in a child with congenital leptin deficiency. New England Journal of Medicine, 341(12), 879–884. PMID: 10486419
- Montague C.T., Farooqi I.S., Whitehead J.P., et al. (1997). Congenital leptin deficiency is associated with severe early-onset obesity in humans. Nature, 387(6636), 903–908. PMID: 9202122
- Farooqi I.S., O’Rahilly S. (2009). Leptin: a pivotal regulator of human energy homeostasis. American Journal of Clinical Nutrition, 89(3), 980S–984S. PMID: 19176737
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