ANA3 - ANA/ENA by Immunoblot
Antinuclear and anticytoplasmic antibodies – a test useful in diagnosing autoimmune diseases such as Sjogren's syndrome, systemic lupus erythematosus (SLE), systemic sclerosis (SSc) and limited sclerosis, polymyositis (PM), and dermatomyositis (DM).

ClinicLab
- Test description
The "ANA3 - ANA/ENA IB (Immunoblot method)" test is a diagnostic test used to detect antinuclear antibodies (ANA) and specific antibodies against proteins from the ENA (extractable nuclear antigens) group. The Immunoblot method allows for precise identification of different types of antibodies, which is important in diagnosing autoimmune diseases such as systemic lupus erythematosus and Sjogren's syndrome. This test provides information about the presence and type of antibodies, which can help establish a diagnosis and monitor the patient's condition.
When to perform the test
The test is recommended for the differential diagnosis of connective tissue diseases of autoimmune origin and for monitoring the activity of the disease process.
Conditions:
Systemic lupus erythematosus (SLE), Sjogren's syndrome, systemic sclerosis (SSc) and limited sclerosis, polymyositis (PM), and dermatomyositis (DM).