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Potential Infectious Complications in Pig Xenograft Donors and Recipients.
Transpl Int
January 2025
Department of Biological and Biomedical Sciences, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, Scotland, United Kingdom.
Preclinical and clinical xenotransplantation trials have shown that successful outcomes depend on a number of factors including the prevention of xenozoonoses. Preclinical trials involving pig kidneys and hearts transplanted into various non-human primates have revealed the potential impact of pig pathogens being present in the transplanted organ/tissue, mainly viruses. The concept of "designated pathogen-free donor animals" was developed to ensure elimination of pathogens during the breeding of donor animals to mitigate this occurrence.
View Article and Find Full Text PDFUnderstanding the vaginal microbiome among women with different genotypes of human papillomavirus infection in remote Andaman islands.
Front Cell Infect Microbiol
January 2025
Indian Council of Medical Research - Regional Medical Research Centre, Port Blair, Andaman and Nicobar Islands, India.
Background: Human papillomavirus (HPV) is a viral infection, and its acquisition and persistence are significantly influenced by the vaginal microbiota. Understanding and comparing the vaginal microbiome of HPV infected women in Andaman and Nicobar Islands is crucial.
Methods: The study involved collecting vaginal swabs and extracting DNA using the QIAamp DNA Minikit.
Alloreactive-free CAR-VST therapy: a step forward in long-term tumor control in viral context.
Front Immunol
January 2025
Unité Mixte de Recherche (UMR) 7365 Centre National de la Recherche Scientifique (CNRS), Ingénierie Moléculaire, Cellulaire et Physiopathologie (IMoPA), Université de Lorraine, Nancy, France.
CAR-T cell therapy has revolutionized immunotherapy but its allogeneic application, using various strategies, faces significant challenges including graft-versus-host disease and graft rejection. Recent advances using Virus Specific T cells to generate CAR-VST have demonstrated potential for enhanced persistence and antitumor efficacy, positioning CAR-VSTs as a promising alternative to conventional CAR-T cells in an allogeneic setting. This review provides a comprehensive overview of CAR-VST development, emphasizing strategies to mitigate immunogenicity, such as using a specialized TCR, and approaches to improve therapeutic persistence against host immune responses.
View Article and Find Full Text PDFCaspase-1 activation, IL-1/IL-6 signature and IFNγ-induced chemokines in lungs of COVID-19 patients.
Front Immunol
January 2025
Aix-Marseille Université, INSERM, INRAE, C2VN, Marseille, France.
Rationale: COVID-19-associated acute-respiratory distress syndrome (C-ARDS) results from a direct viral injury associated with host excessive innate immune response mainly affecting the lungs. However, cytokine profile in the lung compartment of C-ARDS patients has not been widely studied, nor compared to non-COVID related ARDS (NC-ARDS).
Objectives: To evaluate caspase-1 activation, IL-1 signature, and other inflammatory cytokine pathways associated with tissue damage using post-mortem lung tissues, bronchoalveolar lavage fluids (BALF), and serum across the spectrum of COVID-19 severity.
Differences in the intrahepatic expression of immune checkpoint molecules on T cells and natural killer cells in chronic HBV patients.
Front Immunol
January 2025
Univ. Grenoble Alpes, Inserm U 1209, CNRS UMR 5309, Institute for Advanced Biosciences, Grenoble, France.
Background: Patients with chronic hepatitis B virus (HBV) infection are characterized by impaired immune response that fails to eliminate HBV. Immune checkpoint molecules (ICMs) control the amplitude of the activation and function of immune cells, which makes them the key regulators of immune response.
Methods: We performed a multiparametric flow cytometry analysis of ICMs and determined their expression on intrahepatic lymphocyte subsets in untreated and treated patients with HBV in comparison with non-pathological liver tissue.
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