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Frequently arising ESX-1-associated phase variants influence fitness in the presence of host and antibiotic pressures.
mBio
January 2025
Department of Microbiology, UMass Chan Medical School, Worcester, Massachusetts, USA.
Unlabelled: (Mtb) exhibits an impressive ability to adapt to rapidly changing environments, despite its genome's apparent stability. Recently, phase variation through indel formation in homopolymeric tracts (HT) has emerged as a potentially important mechanism promoting adaptation in Mtb. This study examines the impact of common phase variants associated with the ESX-1 type VII secretion system, focusing on a highly variable HT upstream of the ESX-1 regulatory factor, .
View Article and Find Full Text PDFSpecific immune response to and ability to control mycobacterial replication are not impaired in subjects with immune-mediated inflammatory disease and tuberculosis infection.
Front Immunol
January 2025
Translational Research Unit, National Institute for Infectious Diseases Lazzaro Spallanzani-IRCCS, Rome, Italy.
Background: Subjects with immune-mediated inflammatory diseases (IMID), such as rheumatoid arthritis, with tuberculosis infection (TBI), have a high probability of progressing to tuberculosis disease (TB). We aim to characterize the impact of IMID on the immune response to (Mtb) in patients with TBI and TB disease.
Methods: We enrolled TBI and TB patients with and without IMID.
Population-Based Analysis of the Risk of Mycobacterial Infections Associated With Immune Checkpoint Inhibitors.
Clin Infect Dis
January 2025
Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
In this population-based study, we examined the risk of nontuberculous mycobacterial disease associated with immune checkpoint inhibitors among people with cancer. Using a nested case-control design, we identified 184 cases and 714 matched controls; there was no significant association on conditional logistic regression (adjusted odds ratio, 0.51 [95% confidence interval, .
View Article and Find Full Text PDFRoles of mobile teams in tracing lost to follow-up clients: evidence from the optimization of COVID-19 vaccination uptake and routine immunization in Ekiti State.
BMC Health Serv Res
January 2025
Sydani Initiative for International Development, FCT, Abuja, Nigeria.
Background: Evidence from literature has established that tracing lost to follow-up clients is an effective strategy for complementing other mechanisms for infectious disease control like human immunodeficiency virus (HIV), tuberculosis, and other diseases such as Ebola. As a long-standing successful public health method of optimizing acceptance and/or adherence to infectious disease treatment tracing lost to follow-up clients is usually carried out by manually investigating individuals who absconded or are absent from treatments designed to manage and/or promote their health status. This study seeks to explore the role of mobile teams in tracing clients lost to follow-up for immunization.
View Article and Find Full Text PDFAssessment and management for latent tuberculosis before advanced therapies for immune-mediated inflammatory diseases: A comprehensive review.
Autoimmun Rev
January 2025
Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India. Electronic address:
Tuberculosis (TB), caused by Mycobacterium TB, is the most significant infectious cause of mortality across the globe. While TB disease can prey on immunocompetent individuals, it is more likely to occur in immunocompromised individuals. Immune-mediated inflammatory diseases (IMIDs) are a group of diseases (rheumatoid arthritis, inflammatory bowel disease, ankylosing spondylitis, psoriasis, hidradenitis suppurative, autoimmune blistering diseases, and others) where there may be a need for systemic immunosuppression to control the disease manifestations, treat symptoms and improve long term outcomes.
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