an antinuclear antibodies subtype is antihistone antibodies
there are many subtypes of anas such as antiro antibodies  antila antibodies  antism antibodies  antinrnp antibodies  antiscl70 antibodies  antidsdna antibodies  antihistone antibodies  antibodies to nuclear pore complexes  anticentromere antibodies and antisp100 antibodies
antinuclear antibodies lrb anas  also known as antinuclear factor or anf rrb are autoantibodies that bind to contents of the cell nucleus
they are found in many disorders including autoimmunity  cancer and infection  with different prevalences of antibodies depending on the condition