The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
Mycobacterium tuberculosis CDC1551 Induces a More Vigorous Host Response In Vivo and In Vitro, But Is Not More Virulent Than Other Clinical Isolates
Open accessAbstract
Mycobacterium tuberculosis CDC1551, a clinical isolate reported to be hypervirulent and to grow faster than other isolates, was compared with two other clinical isolates (HN60 and HN878) and two laboratory strains (H37Rv and Erdman). The initial (1–14 days) growth of CDC1551, HN60, HN878, and H37Rv was similar in the lungs of aerosol-infected mice, but growth of Erdman was slower. Thereafter, the growth rate of CDC1551 decreased relative to the other strains which continued to grow at comparable rates up to day 21. In the lungs of CDC1551-infected mice, small well-organized granulomas with high levels of TNF-α, IL-6, IL-10, IL-12, and IFN-γ mRNA were apparent sooner than in lungs of mice infected with the other strains. CDC1551-infected mice survived significantly longer. These findings were confirmed in vitro. The growth rates of H37Rv and CDC1551 in human monocytes were the same, but higher levels of TNF-α, IL-10, IL-6, and IL-12 were induced in monocytes after infection with CDC1551 or by exposure of monocytes to lipid fractions from CDC1551. CD14 expression on the surface of the monocytes was up-regulated to a greater extent by exposure to the lipids of CDC1551. Thus, CDC1551 is not more virulent than other M. tuberculosis isolates in terms of growth in vivo and in vitro, but it induces a more rapid and robust host response.
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Mycobacterium tuberculosis Pathogenesis and Molecular Determinants of Virulence
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Metadata
- Authors
- Manca, C., Tsenova, L., Barry, C. E., Bergtold, A., Freeman, S., Haslett, P. A. J., Musser, J. M., Freedman, V. H., & Kaplan, G.
- Venue
- The Journal of Immunology
- Publisher
- Oxford University Press (OUP)
- Published
- 1999-06-01
- Volume
- 162
- Issue
- 11
- Pages
- 6740-6746
- ISSN
- 0022-1767 (ISSN-L)
- 1550-6606
- OpenAlex
- W1945178855
- Cited by
- 306
- References
- 26
- FWCI
- 8.85
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Manca, C., Tsenova, L., Barry, C. E., Bergtold, A., Freeman, S., Haslett, P. A. J., Musser, J. M., Freedman, V. H., & Kaplan, G. (1999). Mycobacterium tuberculosis CDC1551 Induces a More Vigorous Host Response In Vivo and In Vitro, But Is Not More Virulent Than Other Clinical Isolates. The Journal of Immunology. https://doi.org/10.4049/jimmunol.162.11.6740
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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