Source:http://linkedlifedata.com/resource/pubmed/id/19020909
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
6
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pubmed:dateCreated |
2009-5-26
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pubmed:abstractText |
The objective was to compare the quantitative T-cell responses measured by the commercial interferon-gamma (IFNgamma) release assays (IGRAs) in active and latent tuberculosis (TB) states. T-cell responses of culture-proven TB cases were compared with those of contacts with positive IGRA results and tuberculin skin tests >or= 15 mm. T-SPOT.TB results in 270 active TB cases and 183 community contacts showed the median spot-forming cells (SFCs) above negative control/2.5 x 10(5) peripheral blood mononuclear cells to be 27 (-1 to 203) vs 10 (-2 to 174) in response to ESAT-6 (p < 0.001); and 37 (0 to 293) vs 13 (0 to 225) to CFP-10 (p < 0.001). The median IFNgamma levels (antigen minus nil control) as measured by QuantiFERON-TB Gold In-tube in 270 cases and 142 contacts in congregate settings was 2.3 IU/ml (-0.58 to 31.44) vs 1.7 IU/ml (0.35 to 26.51, p = 0.98). Quantitative T-cell responses as measured by the T-SPOT.TB may indicate mycobacterial burden and disease activity, but cannot be used to discriminate active from latent TB.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
1435-4373
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:volume |
28
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
667-70
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pubmed:meshHeading |
pubmed-meshheading:19020909-Antigens, Bacterial,
pubmed-meshheading:19020909-Humans,
pubmed-meshheading:19020909-Immunoenzyme Techniques,
pubmed-meshheading:19020909-Interferon-gamma,
pubmed-meshheading:19020909-Mycobacterium tuberculosis,
pubmed-meshheading:19020909-T-Lymphocytes,
pubmed-meshheading:19020909-Tuberculosis
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pubmed:year |
2009
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pubmed:articleTitle |
Quantitative T-cell interferon-gamma responses to Mycobacterium tuberculosis-specific antigens in active and latent tuberculosis.
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pubmed:affiliation |
Singapore Tuberculosis Control Unit, Tan Tock Seng Hospital, Singapore, Singapore. cynthia_chee@ttsh.com.sg
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, Non-U.S. Gov't
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