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KMID : 0383820090660030205
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Tuberculosis and Respiratory Diseases
2009 Volume.66 No. 3 p.205 ~ p.210
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Preliminary Study for Elevated Serum CXCL10 and CXCL11 in Active Pulmonary Tuberculosis Compared with the Other Pulmonary Diseases
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Park Mi-Young
Lee Min-Ki
Lee Eun-Yup
Lee Chang-Hun
Kim Ji-Eun
Hwang Sang-Hyun
Kim Sin-Young
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Abstract
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Background:CXCL10 and CXCL11, which are family of CXCR3 ligands, are expressed by lymphocytes and even by bronchial epithelial cells if the cellular immunity is activated. This study evaluated the potential utility of CXCL10 and CXCL11 in the serum for active pulmonary tuberculosis in comparison with lung cancer, which activates the cellular immunity, and benign lung diseases.
Methods:Patients who newly visited Pusan National University Hospital from January 2007 to December 2007 and were suspected of having lung cancer or tuberculosis were enrolled prospectively. The patients were classified pathologically and clinically into three groups, 47 with lung cancer, 18 with active pulmonary tuberculosis and 38 control patients with benign pulmonary disease. ELISA was used to determine the levels of CXCL10 and CXCL11 were determined in the serum.
Results:The level of CXCL10 and CXCL11 were significantly higher in the active pulmonary tuberculosis group than in the lung cancer and benign lung disease groups (p＜0.001, Kruskal-Wallis). The level of CXCL11 was significantly higher in the lung cancer group than in the benign pulmonary disease group, but there was no significant difference in level of CXCL10 between the three groups (p＜0.001, p=0.655, respectively, Mann-Whitney U). The level of CXCL10 in patients with stage III＋IV lung cancer was significantly higher than those with stage I＋II, but there was no significant difference in the level of CXCL11 between the groups (p＜0.001, p=0.07, respectively, Mann-Whitney U). There was no significant difference in the level of CXCL10 and CXCL11 between those with the presence and absence of lung cancer metastasis. There was a significant correlation between the level of CXCL10 and CXCL11 (r=0.223, p＜0.001).
Conclusion:CXCL10 and CXCL11 may be a potential useful markers for active pulmonary tuberculosis if used alongside other diagnostic methods.
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KEYWORD
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Active pulmonary tuberculosis, Lung neoplasms, CXCL10, CXCL11
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