AFA
OBJECTIVE: Antiperinuclear factor (APF), "antikeratin antibodies" ("AKA"), and       antibodies to human epidermis filaggrin (AFA), are highly specific serological       markers of rheumatoid arthritis (RA), which recognise epitopes on various       isoforms of (pro)filaggrin.
OBJECTIVE: Antiperinuclear factor (APF), "antikeratin antibodies" ("AKA"), and       antibodies to human epidermis filaggrin ( @SUBJECT$ ), are highly specific serological        @PREDICAT$  of  @OBJECT$  (RA), which recognise epitopes on various       isoforms of (pro)filaggrin.