Desmoglein I Antibody (Vesiculobullous Disorders)

Desmoglein 1 is a cell adhesion molecule found in the upper layers of the epidermis. It belongs to the cadherin family and plays a vital role in binding skin cells together and maintaining the integrity of the skin barrier. In certain autoimmune blistering disorders, the body produces autoantibodies against desmoglein 1, disrupting these cell connections and leading to superficial blisters or erosions. The Desmoglein I Antibody (Vesiculobullous Disorders) test detects the presence of these autoantibodies in the blood. It is also helpful in diagnosing autoimmune blistering disorders, which cause superficial fragile blisters, crusted erosions, and scaling lesions mainly affecting the skin, typically without mucosal involvement, depending on the specific type of pemphigus.

This test is used to help diagnose pemphigus foliaceus, which is characterized by skin blistering without mucosal involvement. It can also help differentiate between types of pemphigus (e.g., foliaceus vs vulgaris) and disorders like bullous pemphigoid require different antibody tests (e.g., BP180, BP230).

Doctors may recommend the Desmoglein I Antibody (Vesiculobullous Disorders) test if you experience symptoms such as painful blisters, erosions, or sores on the skin or mucous membranes. It is primarily used to support diagnosis in patients with clinical suspicion of autoimmune blistering disorders, such as pemphigus, rather than as a general screening test, as autoantibody tests like Dsg1 ELISA are not intended for routine screening. The test also helps confirm the diagnosis of specific vesiculobullous disorders. In patients already diagnosed with autoimmune blistering conditions, it is useful for monitoring disease activity and assessing response to treatment. Additionally, it may be considered in individuals with a family history of these disorders who may be at increased risk.

No special preparation is required for this test. Inform your doctor about all the medications and supplements that you are currently taking, as these may affect the test results.

Test result ranges are approximate and may differ slightly between labs depending on the methodology and laboratory guidelines. Do not self-medicate, and always consult a doctor to understand the test results correctly. 

Please note: This is an outsourced test. The sample for this test is collected by TATA 1MG and processed at a NABL accredited partnered lab.