ArticleIrish journal of medical science2024
Clinical diagnostic value of CRISPR-Cas13a-based molecular technology for tuberculosis.
Article in Irish journal of medical science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Sensitive pathogen DNA detection by a multi-guide RNA Cas12a assay favoring trans- versus cis-cleavage.Nature communications · 2025Article
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3 authors.
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Abstract
objectiveTo address the clinical diagnostic value of CRISPR-Cas13a-based molecular technology for tuberculosis (TB).
methodsThe 189 suspected TB patients were simultaneously sent for acid-fast staining smear of bronchoalveolar lavage fluid, MGIT 960 cultures, Xpert MTB/RIF assay, and CRISPR-Cas13a assay. Using the final clinical diagnosis as the gold standard, the TB and non-TB groups were determined, and the diagnostic values of the four assays and the combined test in TB were compared. Using MGIT 960 culture as the gold standard, the diagnostic value of CRISPR-Cas13a assay was explored in TB, and the concordance between the CRISPR-Cas13a assay and MGIT 960 culture was compared.
resultsThe 189 preliminary diagnosed patients with suspected TB were diagnosed, with 147 in the TB group and 42 in the non-TB group. Taking the final clinical diagnosis as the gold standard, the sensitivity, negative predictive value, and accuracy of CRISPR-Cas13a assay, MGIT 960 culture, and XpertMTB/RIF assay were higher than those of acid-fast staining smear; by comparing the area under the ROC curve, the diagnostic value of the CRISPR-Cas13a assay, MGIT 960 culture, and XpertMTB/RIF assay was superior to that of acid-fast staining smear (all P < 0.05). Using the MGIT 960 culture results as the gold standard, there was a moderate concordance between the CRISPR-Cas13a assay and the MGIT 960 culture (kappa = 0.666).
conclusionBronchoalveolar lavage fluid CRISPR-Cas13a assay has high application value in the clinical diagnosis of TB and can be recommended for the initial screening of patients with suspected TB.
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