A subtype of anti-nuclear antibodies are anti-Ro antibodies.
Anti-SSA autoantibodies ( Anti-Sjögren 's - syndrome-related antigen A , also called anti-Ro , or the combination anti-SSA/Ro or anti Ro/SSA autoantibodies ) are anti-nuclear autoantibodies that are associated with many autoimmune diseases , such as systemic lupus erythematosus ( SLE ) , SS/SLE overlap syndrome , subacute cutaneous LE ( SCLE ) , neonatal lupus and primary biliary cirrhosis . Anti-nuclear antibody . There are many subtypes of ANAs such as anti-Ro antibodies , anti-La antibodies , anti-Sm antibodies , anti-nRNP antibodies , anti-Scl-70 antibodies , anti-dsDNA antibodies , anti-histone antibodies , antibodies to nuclear pore complexes , anti-centromere antibodies and anti-sp100 antibodies .