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Comparative analysis of WC1.1+ and WC1.2+ γδ T cell subset responses from cattle naturally infected with Mycobacterium bovis to repeat stimulation with mycobacterial antigens.
PLoS One
December 2024
UCD School of Agriculture and Food Science, University College Dublin, Dublin, Ireland.
Mycobacterium bovis (M. bovis) causes bovine tuberculosis (bTB). The challenges in controlling and eradicating this zoonotic disease are compounded by our incomplete understanding of the host immune response.
View Article and Find Full Text PDFEpidemiological situation of bovine and bubaline tuberculosis in the state of Pará, Amazon region of Brazil.
Front Vet Sci
November 2024
Faculty of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil.
Introduction: Bovine tuberculosis is one of the primary infectious diseases affecting cattle. Although several countries have managed to eradicate this zoonosis it remains endemic and uncontrolled across many countries in Africa, Asia, Latin America, and the Middle East. Brazil launched its national control and eradication program in 2001, and since then, epidemiological studies have been carried out to define optimal control strategies and to enable the management of the process in each region.
View Article and Find Full Text PDFAssociation Between Sensitization and Insulin Resistance Among US Adults Screened for Type 2 Diabetes Mellitus.
Open Forum Infect Dis
October 2024
Department of Medicine, University of Cape Town, Observatory, Republic of South Africa.
Background: Type 2 diabetes mellitus (T2DM) may be a long-term sequela of infection with () by mechanisms that remain to be fully explained. We evaluated the association between sensitization and T2DM and, via mediation analysis, the extent to which it is mediated by insulin resistance and/or β-cell failure.
Methods: Adults were assessed for T2DM by fasting plasma glucose, 2-hour oral glucose tolerance testing, and hemoglobin A; β-cell dysfunction and insulin resistance by homoeostasis model assessment 2; and sensitization by tuberculin skin testing.
Epigenetic programming of host lipid metabolism associated with resistance to TST/IGRA conversion after exposure to .
mSystems
September 2024
Department of Medicine, University of Washington, Seattle, Washington, USA.
(Mtb) exposure leads to a range of outcomes including clearance, latent TB infection (LTBI), and pulmonary tuberculosis (TB). Some heavily exposed individuals resist tuberculin skin test (TST) and interferon-gamma (IFNγ) release assay (IGRA) conversion (RSTR), which suggests that they employ IFNγ-independent mechanisms of Mtb control. Here, we compare monocyte epigenetic profiles of RSTR and LTBI from a Ugandan household contact cohort.
View Article and Find Full Text PDFArticle Synopsis
- Granuloma annulare is a noninfectious skin condition that appears as red or skin-colored plaques and can be difficult to diagnose due to its varied appearance, requiring correlation between clinical and histological findings.
- A case involving a 56-year-old woman who developed rashes after a tuberculin skin test is presented, with biopsy confirming granuloma annulare; treatment with topical and oral medications led to resolution of her symptoms.
- The exact cause of granuloma annulare remains unclear, with various potential triggers like trauma, infections, and immunizations; while it has different forms and mimics other skin diseases, it is generally a benign and self-limited condition.
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