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Mycobacterium tuberculosis resisters despite HIV exhibit activated T cells and macrophages in their pulmonary alveoli.
J Clin Invest
January 2025
Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada.
Natural resistance to Mycobacterium tuberculosis (Mtb) infection in some people with HIV (PWH) is unexplained. We performed single cell RNA-sequencing of bronchoalveolar lavage cells, unstimulated or ex vivo stimulated with Mtb, for 7 PWH who were TST & IGRA positive (called LTBI) and 6 who were persistently TST & IGRA negative (called resisters). Alveolar macrophages (AM) from resisters displayed a baseline M1 macrophage phenotype while AM from LTBI did not.
View Article and Find Full Text PDFMetabolically Stable Adenylation Inhibitors of Biotin Protein Ligase as Antibacterial Agents.
J Med Chem
January 2025
Department of Medicinal Chemistry, University of Minnesota, 308 Harvard Street SE, Minneapolis, Minnesota 55455, United States.
The antibacterial agent Bio-AMS is metabolized in vivo through hydrolysis of the central acyl-sulfamide linker leading to high clearance and release of a moderately cytotoxic metabolite . Herein, we disclose analogues designed to prevent the metabolism of the central acyl-sulfamide moiety through steric hindrance or attenuation of the acyl-sulfamide electrophilicity. was identified as a metabolically stable analogue with a single-digit nanomolar dissociation constant for biotin protein ligase (BPL) and minimum inhibitory concentrations (MICs) against and ranging from 0.
View Article and Find Full Text PDFDisseminated TB With IRIS Presenting as a Pancreatic Mass in Newly Diagnosed HIV: A Case Report.
Open Forum Infect Dis
January 2025
Division of Infectious Disease, University of Rochester Medical Center, Rochester, New York, USA.
Pancreatic tuberculosis (TB) is an uncommon extrapulmonary presentation of TB. Identification of coinfection with HIV may unmask not only disseminated TB but also immune reconstitution inflammatory syndrome (IRIS). We present the case of a 70-year-old Indian woman newly diagnosed with AIDS and pancreatic tuberculosis with miliary disseminated disease.
View Article and Find Full Text PDFInterventions to Maintain HIV/AIDS, Tuberculosis, and Malaria Service Delivery During Public Health Emergencies in Low- and Middle-Income Countries: Protocol for a Systematic Review.
JMIR Res Protoc
January 2025
Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden.
Background: Although existing disease preparedness and response frameworks provide guidance about strengthening emergency response capacity, little attention is paid to health service continuity during emergency responses. During the 2014 Ebola outbreak, there were 11,325 reported deaths due to the Ebola virus and yet disruption in access to care caused more than 10,000 additional deaths due to measles, HIV/AIDS, tuberculosis, and malaria. Low- and middle-income countries account for the largest disease burden due to HIV, tuberculosis, and malaria and yet previous responses to health emergencies showed that HIV, tuberculosis, and malaria service delivery can be significantly disrupted.
View Article and Find Full Text PDFIntroduction Despite the favorable prognosis of Hodgkin's disease (HD), some patients experience disease recurrence. Therefore, determining recurrence prognostic factors is very crucial to identify patients at risk of early relapse, maintain remission, and improve outcomes. Materials and methods This retrospective cohort study enrolled HD patients at the National Research Institute of Tuberculosis and Lung Disease (NRITLD), Masih Daneshvari Hospital, between January 1, 2002, and June 30, 2018.
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