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  • Title: [The role of serum neopterin level in the evaluation of activation and response to treatment in the patients with pulmonary tuberculosis].
    Author: Güler M, Hüddam D, Unsal E, Ciftçi B, Bukan N, Erdoğan Y, Capan N.
    Journal: Tuberk Toraks; 2006; 54(4):330-5. PubMed ID: 17203418.
    Abstract:
    Neopterin is an important parameter showing cell mediated immunity activation. In this study we aimed to determine whether serum neopterin level could be used as a marker in the evaluation of tuberculosis activation and response to treatment. The study comprised 40 new case smear positive pulmonary tuberculosis patients and 40 healthy control. Serum neopterin levels were measured both before the treatment and 2nd month of the treatment in the patient group. The association between serum neopterin level and clinical, radiological and bacteriological parameters were also investigated. In patients with pulmonary tuberculosis the mean levels of serum neopterin were 35.1+/-13.4 nmol/L before the treatment and 21.2+/-10.4 nmol/L in the 2nd month of the treatment. In the control group, serum neopterin level was 19+/-10.4 nmol/L. The serum neopterin levels of the patients were significantly higher than the control group (p=0.001). Also, there was significant difference between serum neopterin levels before the treatment and the 2nd month of the treatment (p=0.000). Serum neopterin level was higher in the group with extensive disease than the cases with limited disease (p=0.02). In conclusion, we think that serum neopterin level might be used as a reliable immunological marker in the evaluation of tuberculosis activation and response to treatment.
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