Neuronal Nuclear Type 2 Autoantigens

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** A group of autoimmune substances found in the neurons that may be comprised of (but not limited to) the Ri proteins Nova-1 and Nova-2. They can be considered as neuronal autoantigens and are commonly associated with autoimmune neurodegenerative disorders related to cancer, such as paraneoplastic neurologic syndrome.

**Synonyms:** - ANNA-2 Antigens - NEURONAL NUCLEAR TYPE 2 AUTOANTIGENS - Ri Antigens