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http://hdl.handle.net/20.500.12390/2952


Título: Whole Blood Mycobacterial Growth Assays for Assessing Human Tuberculosis Susceptibility: A Systematic Review and Meta-Analysis
Autor(es): Bok, Jeroen 
|Hofland, Regina W. 
|Evans, Carlton A. 
Resumen: Background Whole blood mycobacterial growth assays (WBMGA) quantify mycobacterial growth in fresh blood samples and may have potential for assessing tuberculosis vaccines and identifying individuals at risk of tuberculosis. We evaluated the evidence for the underlying assumption that in vitro WBMGA results can predict in vivo tuberculosis susceptibility. Methods A systematic search was done for studies assessing associations between WBMGA results and tuberculosis susceptibility. Meta-analyses were performed for eligible studies by calculating population-weighted averages. Results No studies directly assessed whether WBMGA results predicted tuberculosis susceptibility. 15 studies assessed associations between WBMGA results and proven correlates of tuberculosis susceptibility, which we divided in two categories. Firstly, WBMGA associations with factors believed to reduce tuberculosis susceptibility were statistically significant in all eight studies of: BCG vaccination; vitamin D supplementation; altitude; and HIV-negativity/therapy. Secondly, WBMGA associations with probable correlates of tuberculosis susceptibility were statistically significant in three studies of tuberculosis disease, in a parasitism study and in two of the five studies of latent tuberculosis infection. Meta-analyses for associations between WBMGA results and BCG vaccination, tuberculosis infection, tuberculosis disease and HIV infection revealed consistent effects. There was considerable methodological heterogeneity. Conclusions The study results generally showed significant associations between WBMGA results and correlates of tuberculosis susceptibility. However, no study directly assessed whether WBMGA results predicted actual susceptibility to tuberculosis infection or disease. We recommend optimization and standardization of WBMGA methodology and prospective studies to determine whether WBMGA predict susceptibility to tuberculosis disease.
Tema: tuberculosis;mycobacterial growth assay;mycobacterial growth inhibition assay;MGIA;susceptibility;risk
Editorial: FRONTIERS MEDIA SA
Fecha de publicación: 2021
Publicado en: FRONTIERS IN IMMUNOLOGY 
Financiamiento: 083-2020-FONDECYT 
Tipo de publicación: info:eu-repo/semantics/review
Identificador Handle: http://hdl.handle.net/20.500.12390/2952
DOI: 10.3389/fimmu.2021.641082
Nivel de acceso: info:eu-repo/semantics/openAccess
Colección:6.1 Proyectos de investigación científica

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