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施焕中
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-1年11月30日
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施焕中
,-0001,():
-1年11月30日
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【期刊论文】Interleukin-16 in tuberculous and malignant pleural effusions
施焕中, X-J. Qin, H-Z. Shi, Z-X. Huang, L-F. Kang, W-N. Mo and C. Wu
Eur Respir J 2005; 25: 605-611,-0001,():
-1年11月30日
The aim of this study was to explore the presence of interleukin (IL)-16 in pleural effusions, the correlation between IL-16 levels and cytological parameters, as well as the chemoattractant activity of IL-16 on CD4+ T-lymphocytes. Total nucleated cell and differential counts, and IL-16 concentrations in the pleural effusion from 32 patients with tuberculous pleurisy and 30 patients with lung cancer were determined. Threecolour flow cytometry was performed to determine T-lymphocyte subsets in cell pellets of pleural effusion. The chemoattractant activity of IL-16 for CD4+ T-lymphocytes was also analysed. The levels of IL-16 were significantly higher in tuberculous than in malignant effusions. However, IL-16 levels could not be used for diagnostic purposes due to significant overlap between the two groups. Positive correlations were found between the IL-16 levels and CD4+ Tcells, and pleural fluid was chemotactic for CD4+ T-cells in vitro. Intrapleural administration of IL-16 to patients produced a marked progressive influx of CD4+ T-cells into the pleural space. Compared with malignant pleural effusion, interleukin-16 appeared to be increased in tuberculous pleural effusion. Interleukin-16 levels were positively related to the numbers of CD4+ T-cells, and interleukin-16 could directly induce CD4+ T-cell infiltration into the pleuralspace.
CD4+, T-cells, interleukin, pleural effusion
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【期刊论文】Soluble CTLA-4 in Sera of Patients with Bronchial Asthma
施焕中, HUAN-ZHONG SHI, * XIAO-YUN MO, AND XIAO-NING ZHONG
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-1年11月30日
Cytotoxic lymphocyte associated antigen-4 (CTLA-4) is a homologue of CD28, which plays a critical role in the down-regulation of antigenactivated immune response. The aim of the present study was to investigate the concentrations of soluble CTLA-4 in sera of patients with bronchial asthma and the correlation between soluble CTLA-4 concentrations and some clinical measures of asthma. The concentrations of serum soluble CTLA-4 in 31 atopic asthmatics, 20 non-atopic asthmatics, and 28 non-atopic normal control volunteers were determined by ELISA technique, and the relationship between serum soluble CTLA-4 concentrations in asthmatics and airway responsiveness, pulmonary function, blood white cell counts and differentials, respectively, were analyzed. Serum soluble CTLA-4 concentrations in both atopic asthmatics (20.2
sCTLA-4, serum, pathogenesis, asthma
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施焕中, Jing-Min Deng, Huan-Zhong Shi*, Xue-Jun Qin, Zheng-Fu Xie, Chun-Ping Huang, Xiao-Ning Zhong
Clinical Immunology 115(2005)178-183,-0001,():
-1年11月30日
The aim of the present study was to investigate effects of allergen inhalation and oral glucocorticoid on concentration of serum soluble CD86 in patients with allergic asthma. Our results showed that the serum soluble CD86 concentrations in the dual responder group increased from 491.8 F 15.4 IU/ml before allergen inhalation to 603.8 F 19.3 IU/ml 24 h after allergen inhalation. In the isolated early responders, there was no significant increase in serum soluble CD86 concentrations after allergen inhalation compared with baseline levels. There was a significant decrease in serum soluble CD86 concentrations after 2 weeks of glucocorticoid therapy (448.3 F 15.1 IU/ml) compared with baseline values (532.7 F 12.3 IU/ml), whereas there was no significant difference in the placebo group. This study has demonstrated that serum soluble CD86 concentrations increased after allergen inhalation in sensitized asthmatic subjects, and that serum sCD86 concentrations were downregulated by prednisolone therapy.
Allergen, Asthma, Glucocorticoid, Serum, Soluble CD86
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