Description: English: Immunofluorescence pattern of double stranded DNA antibodies (crithidia). Produced using serum from a patient with lupus erythematosus on Crithidia luciliae with a FITC conjugate. Note the stained kinetoplast (found adjacent to the flagellum), indicating that dsDNA antibodies are present in the patient's serum. Date: 10 August 2012. Source: Own work. Author:
Simon Caulton.