期刊
CLINICAL AND EXPERIMENTAL IMMUNOLOGY
卷 144, 期 2, 页码 264-272出版社
WILEY
DOI: 10.1111/j.1365-2249.2006.03049.x
关键词
cell-mediated immune response; immunotherapy; prostaglandins; TGF-beta; tuberculosis
类别
资金
- Wellcome Trust Funding Source: Medline
Transforming growth factor-beta (TGF-beta) and prostaglandins (PG) regulate the cell-mediated immune response, so it has been proposed that they affect the progression of pulmonary tuberculosis. Here we report that the administration of soluble betaglycan, a potent TGF-beta antagonist, and niflumic acid, a PG synthesis inhibitor, during the chronic phase of experimental murine tuberculosis enhanced Th1 and decreased Th2 cytokines, increased the expression of iNOS and reduced pulmonary inflammation, fibrosis and bacillary load. This immunotherapeutic approach resulted in significant control of the disease comparable to that achieved by anti-microbial treatment alone. Importantly, the combination of immunotherapy and anti-microbials resulted in an accelerated clearance of bacilli from the lung. These results confirm that TGF-beta and PG have a central pathophysiological role in the progression of pulmonary tuberculosis in the mouse and suggest that the addition of immunotherapy to conventional anti-microbial drugs might result in improved treatment of the disease.
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