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High risk of drug-resistant tuberculosis in IGRA-negative contacts: should preventive treatment be considered?
Infection
January 2025
Department of Clinical Infectious Diseases, Research Center Borstel, Leibniz Lung Center, Parkallee 35, Borstel, Germany.
Purpose: Deciding whether to provide preventive treatment to contacts of individuals with multidrug-resistant (MDR) tuberculosis is complex.
Methods: We present the diagnostic pathways, clinical course and outcome of tuberculosis treatment in eight siblings from a single family. Tuberculosis disease was diagnosed by Mycobacterium tuberculosis culture and molecular detection of M.
FhaA plays a key role in mycobacterial polar elongation and asymmetric growth.
mBio
January 2025
Analytical Biochemistry and Proteomics Unit, Instituto de Investigaciones Biológicas Clemente Estable and Institut Pasteur de Montevideo, Montevideo, Uruguay.
Unlabelled: Mycobacteria, including pathogens like , exhibit unique growth patterns and cell envelope structures that challenge our understanding of bacterial physiology. This study sheds light on FhaA, a conserved protein in , revealing its pivotal role in coordinating cell envelope biogenesis and asymmetric growth. The elucidation of the FhaA interactome in living mycobacterial cells reveals its participation in the protein network orchestrating cell envelope biogenesis and cell elongation/division.
View Article and Find Full Text PDFAntimicrobial and Antiproliferative Properties of 2-Phenyl-N-(Pyridin-2-yl)acetamides.
Chem Biol Drug Des
January 2025
Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic.
Infectious diseases, including bacterial, fungal, and viral, have once again gained urgency in the drug development pipeline after the recent COVID-19 pandemic. Tuberculosis (TB) is an old infectious disease for which eradication has not yet been successful. Novel agents are required to have potential activity against both drug-sensitive and drug-resistant strains of Mycobacterium tuberculosis (Mtb), the causative agent of TB.
View Article and Find Full Text PDFEvaluation of host immune responses to Mycobacteriophage Fionnbharth by route of delivery.
Virol J
January 2025
Center for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle, WA, USA.
For much of the last decade, tuberculosis (TB) was the leading cause of mortality due to an infectious pathogen (Mycobacterium tuberculosis, M.tb). Approximately 1.
View Article and Find Full Text PDFReal-world clinical utility of Xpert MTB/RIF Ultra in the assessment of tuberculosis in a low-TB-incidence, high-resource setting.
BMJ Open Respir Res
January 2025
Department of Respiratory Sciences, University of Leicester, Leicester, UK.
Background: Tuberculosis (TB) diagnosis in the UK is impacted by delay and suboptimal culture-based microbiological confirmation rates due to the high prevalence of paucibacillary disease. We examine the real-world clinical utility of Xpert MTB/RIF Ultra (Xpert-Ultra) as a diagnostic test and biomarker of transmissible infection in a UK TB service.
Methods: Clinical specimens from suspected TB cases triple tested (smear microscopy, mycobacterial culture and Xpert-Ultra) at University Hospitals of Leicester NHS Trust (1 March 2018-28 February 2019) were retrospectively analysed.
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