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Comprehensive Single-Cell Chromatin and Transcriptomic Profiling of Peripheral Immune Cells in Non-Segmental Vitiligo.
Br J Dermatol
January 2025
Inflammatory Immune-Mediated Chronic Skin Diseases Laboratory (GC26), Maimonides Biomedical Research Institute of Cordoba (IMIBIC)/University of Cordoba/Reina Sofia University Hospital, Menendez Pidal Ave, 14004, Córdoba, Spain.
Introduction: Non-segmental vitiligo (NSV) is an autoimmune condition characterized by melanocyte loss. While skin-specific mechanisms are well-studied, systemic immune dysregulation contributing to NSV pathogenesis remains unclear.
Objective: This study employs a multi-omic single-cell approach to investigate circulating immune cells in NSV, integrating transcriptional and chromatin accessibility data.
mRNA vaccine-induced SARS-CoV-2 spike-specific IFN-γ and IL-2 T-cell responses are predictive of serological neutralization and are transiently enhanced by pre-existing cross-reactive immunity.
J Virol
January 2025
Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.
Unlabelled: The contributions of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-specific T cells to vaccine efficacy and durability are unclear. We investigated relationships between mRNA vaccine-induced spike-specific interferon- gamma (IFN-γ) and interleukin-2 (IL-2) T-cell responses and neutralizing antibody development in long-term care home staff doubly vaccinated with BNT162b2 or mRNA-1273. The impacts of pre-existing cross-reactive T-cell immunity on cellular and humoral responses to vaccination were additionally assessed.
View Article and Find Full Text PDFApplying the Sabatier Principle to Decipher the Surface-Structure-Dependent Catalysis of Different Starch Granules by Pullulanase.
JACS Au
January 2025
Applied Molecular Enzyme Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark.
Interfacial enzyme catalysis is widespread in both nature and industry. Granular starch is a sustainable and abundant raw material for which a rigorous correlation of the surface structure with enzymatic degradation is lacking. Here pullulanase-catalyzed debranching of 12 granular starches varying in amylopectin contents and branch chain contents and lengths is shown to present a biphasic relationship characteristic of the Sabatier principle.
View Article and Find Full Text PDFEffects of Limosilactobacillus fermentum KBL375 on Immune Enhancement and Gut Microbiota Composition in Cyclophosphamide-Induced Immunosuppressed Mice.
Probiotics Antimicrob Proteins
January 2025
Division of Food Functionality Research, Korea Food Research Institute, 245, Nongsaengmyeong-Ro, Iseo-Myeon, Wanju-Gun, 55365, Jeollabuk-Do, Republic of Korea.
This study evaluated the immune-enhancing efficacy of Limosilactobacillus fermentum KBL375 isolated from the feces of healthy Koreans. KBL375-treated splenocytes showed enhancement of cytotoxicity against YAC-1 cells, the target of natural killer (NK) cells, with an increase in CD335, granzyme B, perforin, and interferon-gamma (IFN-γ). Oral administration of KBL375 in mice with cyclophosphamide (CP)-induced immunosuppression improved body weight and immune functions, including immune organ indices, lymphocyte proliferations, and immunoglobulin (Ig) A levels.
View Article and Find Full Text PDFThe α- to γ-enolase switch: The role and regulation of γ-enolase during oligodendrocyte differentiation.
Int J Biol Macromol
January 2025
Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia. Electronic address:
The glycolytic enzyme γ-enolase is a highly specific neuronal marker that is known to replace ubiquitously expressed α-enolase in the brain. Moreover, γ-enolase has been shown to exert neurotrophic activity, which is regulated by cathepsin X, a lysosomal peptidase. This study investigates the role of γ-enolase and its regulation by cathepsin X during the differentiation of oligodendrocytes, which are essential for normal brain function.
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