The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
PA-824 Kills Nonreplicating Mycobacterium tuberculosis by Intracellular NO Release
Open accessAbstract
Bicyclic nitroimidazoles, including PA-824, are exciting candidates for the treatment of tuberculosis. These prodrugs require intracellular activation for their biological function. We found that Rv3547 is a deazaflavin-dependent nitroreductase (Ddn) that converts PA-824 into three primary metabolites; the major one is the corresponding des-nitroimidazole (des-nitro). When derivatives of PA-824 were used, the amount of des-nitro metabolite formed was highly correlated with anaerobic killing of Mycobacterium tuberculosis (Mtb). Des-nitro metabolite formation generated reactive nitrogen species, including nitric oxide (NO), which are the major effectors of the anaerobic activity of these compounds. Furthermore, NO scavengers protected the bacilli from the lethal effects of the drug. Thus, these compounds may act as intracellular NO donors and could augment a killing mechanism intrinsic to the innate immune system.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
The nitrate-nitrite-nitric oxide pathway in physiology and therapeutics
Lundberg, J. O., Weitzberg, E., & Gladwin, M. T. (2008) · Nature Reviews Drug Discovery · doi:10.1038/nrd2466 · Cited by 2,739
Identification of nitric oxide synthase as a protective locus against tuberculosis
MacMicking, J. D., North, R. J., LaCourse, R., Mudgett, J. S., Shah, S. K., & Nathan, C. F. (1997) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.94.10.5243 · Cited by 1,180
Tuberculosis — metabolism and respiration in the absence of growth
Boshoff, H. I. M., & Barry, C. E. (2005) · Nature Reviews Microbiology · doi:10.1038/nrmicro1065 · Cited by 448
Self-citation
Cited by
Advances in the development of new tuberculosis drugs and treatment regimens
Zumla, A., Nahid, P., & Cole, S. T. (2013) · Nature Reviews Drug Discovery · doi:10.1038/nrd4001 · Cited by 893
U.S. FDA Approved Drugs from 2015–June 2020: A Perspective
Bhutani, P., Joshi, G., Raja, N., Bachhav, N., Rajanna, P. K., Bhutani, H., Paul, A. T., & Kumar, R. (2021) · Journal of Medicinal Chemistry · doi:10.1021/acs.jmedchem.0c01786 · Cited by 815
Benzothiazinones Kill Mycobacterium tuberculosis by Blocking Arabinan Synthesis
Makarov, V., Manina, G., Mikusova, K., Möllmann, U., Ryabova, O., Saint-Joanis, B., Dhar, N., Pasca, M. R., Buroni, S., Lucarelli, A. P., et al. (2009) · Science · doi:10.1126/science.1171583 · Cited by 740
Anti-tuberculosis treatment strategies and drug development: challenges and priorities
Dartois, V. A., & Rubin, E. J. (2022) · Nature Reviews Microbiology · doi:10.1038/s41579-022-00731-y · Cited by 490
Metabolic Regulation of Mycobacterial Growth and Antibiotic Sensitivity
Baek, S.-H., Li, A. H., & Sassetti, C. M. (2011) · PLoS Biology · doi:10.1371/journal.pbio.1001065 · Cited by 324
Metadata
- Authors
- Singh, R., Manjunatha, U., Boshoff, H. I. M., Ha, Y. H., Niyomrattanakit, P., Ledwidge, R., Dowd, C. S., Lee, I. Y., Kim, P., Zhang, L., Kang, S., Keller, T. H., Jiricek, J., & Barry, C. E.
- Venue
- Science
- Published
- 2008-11-28
- Volume
- 322
- Issue
- 5906
- Pages
- 1392-1395
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2145085703
- Cited by
- 628
- References
- 3
- FWCI
- 21.26
- Type
- journal article
- Language
- en
- Open access
- green
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: PA-824 Kills Nonreplicating Mycobacterium tuberculosis by Intracellular NO Release. https://app.cochat.ai/papers/10.1126/science.1164571
- The paper
- Singh, R., Manjunatha, U., Boshoff, H. I. M., Ha, Y. H., Niyomrattanakit, P., Ledwidge, R., Dowd, C. S., Lee, I. Y., Kim, P., Zhang, L., Kang, S., Keller, T. H., Jiricek, J., & Barry, C. E. (2008). PA-824 Kills Nonreplicating Mycobacterium tuberculosis by Intracellular NO Release. Science. https://doi.org/10.1126/science.1164571
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
