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J Immunol
January 2025
Institute of Microbiology and Immunology, National Yang Ming Chiao Tung University, Taipei City, Taiwan.
Decoy receptor 3 (DcR3), a soluble receptor in the tumor necrosis factor receptor superfamily, regulates the functions of monocytes, macrophages, dendritic cells, and T cells. Previous studies have demonstrated that DcR3 suppresses B cell proliferation in vitro and ameliorates autoimmune diseases in animal models; however, whether and how DcR3 regulates antibody production is unclear. Using a DcR3 transgenic mouse model, we found that DcR3 impaired the T cell-dependent antigen-stimulated antibody response.
View Article and Find Full Text PDFJ Immunol
February 2025
Vaccine Research Institute, Université Paris-Est Créteil, Créteil, France.
The 2022 Mpox virus (MPXV) outbreak revitalized questions about immunity against MPXV and vaccinia-based vaccines (VAC-V), but studies are limited. We analyzed immunity against MPXV in individuals infected with MPXV or vaccinated with the licensed modified vaccinia Ankara (MVA) Bavarian Nordic or an experimental MVA-HIVB vaccine. The frequency of neutralizing antibody responders was higher among MPXV-infected individuals than MVA vaccinees.
View Article and Find Full Text PDFSci Adv
March 2025
Department of Developmental Immunology, Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.
To provide protection, anticipatory T cell-dependent immunity is reliant on the generation and maintenance of a naïve T cell repertoire, which is sufficiently diverse to ensure recognition of newly encountered antigens. Therefore, under steady-state conditions, a given individual needs to maintain a large pool of naïve T cells, ready to respond to potential threats. Here, we demonstrate that N-myc downstream-regulated gene 3 (Ndrg3) is essential for naïve T cell stability.
View Article and Find Full Text PDFClin Rheumatol
March 2025
Laboratory of Human Anatomy, School of Basic Medicine Anatomy , Southwest Medical University, Xianglin Road, Longmatan District, Luzhou City, Sichuan Province, China.
Background: Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by complex immune interactions. Elucidating the causal relationships between blood cell perturbations, immune cell subsets, and RA can provide valuable insights into its pathogenesis.
Methods: This study employed bidirectional two-sample Mendelian Randomization (MR) to explore the causal effects of blood cell perturbations on RA risk, with a focus on immune cell mediation.
Dig Dis Sci
March 2025
Department of Gastroenterology of Nara Medical University, 840 Shijo-cho, Kashihara, Nara, Japan.
Aim: The incidence of intrahepatic distant recurrence (IDR) of hepatocellular carcinoma (HCC) still remains high after radiofrequency ablation (RFA). However, serum alpha-fetoprotein (AFP) has insufficient screening power. This study aimed to identify risk factors for IDR in patients with post-RFA HCC.
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