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α-Lipoic acid increases phagocytosis of some lactic acid bacteria via modulation of CD36 expression.
Biosci Microbiota Food Health
August 2024
Local Brand R&D, SSP Co., Ltd., Opera City Tower, 3-20-2 Nishi Shinjuku, Shinjuku-ku, Tokyo 163-1488, Japan.
Phagocytosis by immunocompetent cells is a key role in the biological defense mechanism and is the starting point of the reaction that leads from innate to acquired immunity. Several studies have demonstrated that some lactic acid bacteria strains activate the innate and acquired immune systems of the host. However, further investigation of the mechanism and improvement of usefulness is needed because the effect differs depending on the type and strain of lactic acid bacteria.
View Article and Find Full Text PDFEnabling immune checkpoint blockade efficacy in T-lymphopenia by restoring CD8 T cell dynamics with IL-7 cytokine therapy.
Front Immunol
December 2024
Department of Life Sciences, Pohang University of Science and Technology, Pohang, Republic of Korea.
Introduction: T-lymphopenia (TLP) is a frequently observed condition in cancer patients, often exacerbated by conventional chemo/radiotherapy, which impairs the efficacy of subsequent immune checkpoint blockade (ICB) therapy. This study aimed to understand the impact of TLP on ICB responsiveness and explore potential therapeutic strategies to enhance antitumor immunity.
Methods: To investigate ICB responsiveness depending on the severity of TLP, first, we established TLP mouse models that mimic clinically observed mild and severe TLP through thymectomy and anti-Thy1-induced peripheral T cell depletion.
The attenuated Pseudorabies virus vaccine Bartha K61 induces a weak cellular immunity: implications for the development of PRV-vectored vaccines.
Front Immunol
December 2024
MOA Key Laboratory of Animal Virology, Zhejiang University Center for Veterinary Sciences, Hangzhou, China.
Pseudorabies virus (PRV), causing Aujeszky's disease in swine, has important economic impact on the pig industry in China and even poses a threat to public health. Although this disease has been controlled by vaccination with PRV live attenuated vaccines (LAVs), the potency of PRV LAVs in inducing cellular immunity has not been well characterized. In this study, using PRV Bartha K61 strain (BK61), the most-used PRV LAVs, as a model, we re-examined the cellular immune response elicited by the BK61 in mice and pigs by multicolor flow cytometry.
View Article and Find Full Text PDFVRAC channel inhibition as a novel strategy for the treatment of ischemia-reperfusion injury.
Front Cell Dev Biol
December 2024
Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China.
Ischemia-reperfusion injury is a serious clinical pathology involving multiple organs such as the heart and brain. The injury results from oxidative stress, inflammatory response and cell death triggered by restoring tissue blood flow after ischemia, leading to severe cell and tissue damage. In recent years, the volume-regulated anion channel (VRAC) has gained attention as an important membrane protein complex.
View Article and Find Full Text PDFArtemisinin-Quinidine Combination for Suppressing Ventricular Tachyarrhythmia in an Ex Vivo Model of Brugada Syndrome.
J Korean Med Sci
January 2025
Division of Cardiology, Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea.
Background: The ionic mechanism underlying Brugada syndrome (BrS) arises from an imbalance in transient outward current flow between the epicardium and endocardium. Previous studies report that artemisinin, originally derived from a Chinese herb for antimalarial use, inhibits the Ito current in canines. In a prior study, we showed the antiarrhythmic effects of artemisinin in BrS wedge preparation models.
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