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Protective effects of BCG vaccination against multibacillary disease, reactions, and disabilities in childhood leprosy: Insights from a retrospective observational study from a tertiary care center in India.
Int J Dermatol
January 2025
Department of Dermatology, Venereology and Leprology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Background And Methods: While leprosy primarily affects adults, childhood leprosy poses unique challenges because of its potential to cause lifelong disabilities and stigma. This is a retrospective record review of all patients aged 15 or below, diagnosed with leprosy, who were registered at the leprosy clinic of our tertiary care center from June 2014 to December 2023.
Results: As per hospital records, 1083 leprosy cases were registered at our center during the study period.
PD-L1 expression in high-risk non-muscle invasive bladder cancer is not a biomarker of response to BCG.
World J Urol
January 2025
Department of Urology, Erasmus University Medical Center, Erasmus MC Cancer Institute, Dr. Molewaterplein 40, Room Be-304, 3015 GD, Rotterdam, The Netherlands.
Purpose: Up to 50% of high-risk non-muscle invasive bladder cancer (HR-NMIBC) patients fail Bacillus Calmette-Guérin (BCG) treatment, resulting in a high risk of progression and poor clinical outcomes. Biomarkers that predict outcomes after BCG are lacking. The antitumor effects of BCG are driven by a cytotoxic T cell response, which may be controlled by immune checkpoint proteins like Programmed Death Ligand 1 (PD-L1).
View Article and Find Full Text PDFIntroduction: Intravesical Bacillus Calmette-Guérin immunotherapy is generally a safe treatment for non-muscle-invasive bladder cancer but sometimes causes complications.
Case Presentation: The patient was an 80-year-old man who had undergone Bacillus Calmette-Guérin immunotherapy for non-muscle-invasive bladder cancer. Two months later, he developed an irregular pelvic mass surrounding the prostate and rectum with no fever.
Immune correlates of early clearance of Mycobacterium tuberculosis among tuberculosis household contacts in Indonesia.
Nat Commun
January 2025
Department of Internal Medicine and Radboud Community for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, the Netherlands.
Some individuals, even when heavily exposed to an infectious tuberculosis patient, do not develop a specific T-cell response as measured by interferon-gamma release assay (IGRA). This could be explained by an IFN-γ-independent adaptive immune response, or an effective innate host response clearing Mycobacterium tuberculosis (Mtb) without adaptive immunity. In heavily exposed Indonesian tuberculosis household contacts (n = 1347), a persistently IGRA negative status was associated with presence of a BCG scar, and - especially among those with a BCG scar - with altered innate immune cells dynamics, higher heterologous (Escherichia coli-induced) proinflammatory cytokine production, and higher inflammatory proteins in the IGRA mitogen tube.
View Article and Find Full Text PDFPrevalence of BCG scar among vaccinated children and its correlation with Mantoux skin test at Omdawanban area, Sudan.
Tuberculosis (Edinb)
December 2024
Wadi Al-Dawasir General Hospital, 18416, Riyadh, Saudi Arabia. Electronic address:
Purpose: Tuberculosis (TB) remains a significant public health concern globally. Bacille Calmette-Guérin (BCG) vaccination is widely used, but scar formation post-vaccination is not universal, which raises concerns about its efficacy. The Mantoux test is used to assess the immune response following BCG vaccination.
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