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Dog dander IgE

Dog dander IgE

The Deamidated Gliadin Peptide (DGP) antibody test is a crucial serological assay for diagnosing and monitoring celiac disease, an autoimmune disorder triggered by gluten ingestion. This test detects antibodies against deamidated gliadin peptides in the blood, which are proteins modified by tissue transglutaminase. It is particularly beneficial for individuals with IgA deficiency, who may not produce detectable levels of IgA antibodies, making other tests like the tTG IgA less reliable. The DGP test involves a blood draw, with the serum analyzed using advanced technologies to measure IgG antibodies. Clinically, it aids in diagnosing celiac disease, especially in IgA-deficient patients, and monitors the effectiveness of a gluten-free diet by tracking antibody levels. While a positive result suggests celiac disease, a definitive diagnosis often requires an intestinal biopsy. The test should be conducted while the patient consumes gluten to ensure accurate results, and it is recommended for children under two and those with other autoimmune conditions.

Price of test:£34

The lowest price from the last 30 days: £34

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The Deamidated Gliadin Peptide (DGP) antibody test is crucial for diagnosing and monitoring celiac disease, especially in IgA-deficient patients. It measures IgG antibodies against deamidated gliadin peptides, aiding in accurate diagnosis and treatment monitoring. Key points include:

- Diagnosis: Essential for IgA-deficient patients, complementing tTG IgG tests.
- Monitoring: Tracks response to a gluten-free diet, with antibody levels declining in responsive patients.
- Special Populations: Recommended for young children and those with autoimmune disorders.
- Result Interpretation: Positive results suggest celiac disease; negative results may require further testing.
- Considerations: Conduct tests while on a gluten-containing diet for accurate results.

Who Should Get Tested

The Dog Dander IgE test is essential for individuals experiencing symptoms like asthma, allergic rhinitis, or skin irritation when exposed to dogs. It helps determine if these symptoms are due to an immune response to dog dander proteins. Key points include:

- Diagnosis: Confirms allergy to dog dander.
- Sensitization: Assesses immune response before immunotherapy.
- Allergen Identification: Identifies specific allergens causing reactions.
- Treatment Planning: Guides strategies like avoidance or targeted therapy.

This test is vital for effective allergy management, enhancing life quality for affected individuals.

Blood Test Preparation Guidelines

Time of day

It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.

Fasting

It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.

Stay hydrated

Drinking water prior to testing can help with sample collection.

Other factors

Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.

Medications and supplements:

Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.

Biotin supplements:

High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.

Interpreting Test Results

Understanding test results for the Deamidated Gliadin Peptide (DGP) antibody test is crucial for diagnosing and managing celiac disease. Here's a brief overview:

- Positive Results: Suggests celiac disease presence; further confirmation via intestinal biopsy is often needed.
- Negative Results: Doesn't completely rule out celiac disease, especially in high-risk individuals; a biopsy may still be necessary.
- IgA Deficiency: In such cases, DGP IgG testing is recommended for accurate diagnosis.
- Gluten Intake: Tests should be conducted while on a gluten-containing diet for accurate results.
- Monitoring: Useful for tracking response to a gluten-free diet, with antibody levels expected to decline over time.

Price of test:£34

The lowest price from the last 30 days: £34

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