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EnglishCell-mediated immune response plays an essential role in the pathogenesis of tuberculosis (TB). We retrospectively evaluated lymphocyte subpopulations in 177 active TB patients compared to 93 healthy controls, finding a relevant decrease in total lymphocytes and CD8+ cells. Conversely, activated human leukocyte antigen (HLA-DR+) and CD4+CD57+ cells were higher in the TB group. B-1a (CD5+CD19+) lymphocytes were reduced in TB subjects, particularly those with extended and cavitary pulmonary forms, suggesting increased compartmentalisation at the infection site. QuantiFERON®-TB Gold In-Tube positive results were associated with higher HLA-DR+CD4+ and CD4+CD57+ cells, while interferon-gamma response and total lymphocyte levels were lower in advanced pulmonary TB cases.
| Titolo: | Lymphocyte subpopulations in active tuberculosis: association with disease severity and the QFT-GIT assay |
| Autori: | |
| Data di pubblicazione: | 2013 |
| Rivista: | |
| Abstract: | Cell-mediated immune response plays an essential role in the pathogenesis of tuberculosis (TB). We retrospectively evaluated lymphocyte subpopulations in 177 active TB patients compared to 93 healthy controls, finding a relevant decrease in total lymphocytes and CD8+ cells. Conversely, activated human leukocyte antigen (HLA-DR+) and CD4+CD57+ cells were higher in the TB group. B-1a (CD5+CD19+) lymphocytes were reduced in TB subjects, particularly those with extended and cavitary pulmonary forms, suggesting increased compartmentalisation at the infection site. QuantiFERON®-TB Gold In-Tube positive results were associated with higher HLA-DR+CD4+ and CD4+CD57+ cells, while interferon-gamma response and total lymphocyte levels were lower in advanced pulmonary TB cases. |
| Handle: | http://hdl.handle.net/11562/576751 |
| Appare nelle tipologie: | 01.01 Articolo in Rivista |
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