Antineuronal antibodies in OCD: comparisons in children with OCD-only, OCD+chronic tics and OCD+PANDAS.

Autoimmunity associated with a streptococcal infection has been proposed as a pathogenic mechanism for obsessive-compulsive disorder (OCD) in children. Antibrain antibody profiles were compared in children with OCD-only (n = 13; 14.1 +/- 3.