Serial Interferon Gamma Release Assay in Latent Tuberculosis Infection (CROSBI ID 156250)
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Podaci o odgovornosti
Dodig, Slavica ; Zrinski Topić, Renata
engleski
Serial Interferon Gamma Release Assay in Latent Tuberculosis Infection
The aim of this report is to present results of serial interferon-gamma (IFN-γ ) determination (QuantiFERON-TB Gold In-Tube assay) in a 57-year-old BCG-vaccinated female health care worker with a latent tuberculosis infection. Increased IFN-γ , IgA, and anti-thyroglobulin (anti-Tg) autoantibodies were recorded throughout a 13-month follow-up. After 13 months the subject was clinically healthy and free from any signs and symptoms of active tuberculosis. The increased levels of anti-Tg autoantibodies may have been a concurrent process that did not impair the patient’s immune status. Since false-positive IgA could be found in patients suffering from autoimmune thyroid diseases, it could be assumed increased IgA in this subject is a result of the positive interferences of goat anti-IgA antibodies. Although isoniazid prophylaxis was not used, tuberculosis did not develop during the follow-up period. Serial determination of IFN-γ is necessary due to occupational exposure to tubercle bacilli.
IgA; IFN-gamma; latent tuberculosis infection; thyroid autoantibody
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Podaci o izdanju
Povezanost rada
Kliničke medicinske znanosti, Javno zdravstvo i zdravstvena zaštita, Farmacija