Anti-RI (Anti-Neuronal Nuclear AB, Type 2)

The Anti-Ri (Anti-Neuronal Nuclear Antibody, Type 2) test detects autoantibodies directed against specific proteins found within nerve cells. These antibodies are commonly associated with certain paraneoplastic neurological syndromes, where the immune system mistakenly attacks the nervous system, often in response to an underlying cancer. The test helps investigate unexplained neurological symptoms and provides valuable information during the evaluation of immune-mediated disorders affecting the brain and nervous system.

Who should get this test done?

This test may be recommended for individuals who:

●     Experience unexplained muscle jerks, involuntary eye movements, or coordination problems.

●     Have neurological symptoms that raise suspicion of a paraneoplastic neurological syndrome.

●     Are undergoing evaluation for an autoimmune disorder affecting the central nervous system.

●     Have a known history of cancer along with new or worsening neurological symptoms.

●     Require further investigation to determine the immune-related cause of persistent neurological complaints.

Why consider this test?

The Anti-Ri (Anti-Neuronal Nuclear Antibody, Type 2) test plays an important role in identifying immune responses that may be affecting the nervous system. It is particularly useful when neurological symptoms cannot be explained by common conditions and an autoimmune or paraneoplastic cause is suspected. By detecting Anti-Ri antibodies, the test provides meaningful clinical information that supports a comprehensive evaluation and helps healthcare professionals plan further diagnostic and treatment strategies.

More Information

Anti-Ri antibodies are among a group of onconeural antibodies that target proteins present within neurons. Their presence reflects an abnormal immune response that can interfere with normal nervous system function. The test contributes to the assessment of neurological disorders where the immune system is involved and helps differentiate immune-mediated conditions from other neurological illnesses. It offers valuable insight into the relationship between the immune system and the nervous system, supporting a more informed clinical assessment.

Other Names

●     Anti-Ri Antibody Test

●     Anti-Neuronal Nuclear Antibody Type 2 Test

●     ANNA-2 Antibody Test

●     Anti-Neuronal Nuclear Antibody (Type 2)

●     Anti-Ri (ANNA-2), Serum

●     ANNA-2 Test