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A test for Creutzfeldt-Jakob disease using nasal brushings.

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      Abstract

      Definite diagnosis of sporadic Creutzfeldt-Jakob disease in living patients remains a challenge. A test that detects the specific marker for Creutzfeldt-Jakob disease, the prion protein (PrP(CJD)), by means of real-time quaking-induced conversion (RT-QuIC) testing of cerebrospinal fluid has a sensitivity of 80 to 90% for the diagnosis of sporadic Creutzfeldt-Jakob disease. We have assessed the accuracy of RT-QuIC analysis of nasal brushings from olfactory epithelium in diagnosing sporadic Creutzfeldt-Jakob disease in living patients.

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      Affiliations
      [1 ] From the Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Hamilton, MT (C.D.O., M.B., A.G.H., B.R.G., B.C.); and the Department of Biomedical Sciences, University of Cagliari, Cagliari (C.D.O.), the Department of Neurologic and Movement Sciences, University of Verona, Verona (M.B., S.F., M.F., S.M., G.Z.), Clinica Otorinolaringoiatrica, Policlinico G.B. Rossi, Azienda Ospedaliera Universitaria Integrata, Verona (G.T.), and the Department of Cell Biology and Neurosciences, Istituto Superiore di Sanità, Rome (M.P.) - all in Italy.
      Journal
      N. Engl. J. Med.
      The New England journal of medicine
      1533-4406
      0028-4793
      Aug 7 2014
      : 371
      : 6
      10.1056/NEJMoa1315200
      25099576
      4186748
      NIHMS619884

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