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Human Immunology News
Actuation of Single Downstream Nodes in Growth Factor Network Steers Immune Cell Migration
[Developmental Cell] By optogenetically targeting different nodes in the Ras/PI3K/Akt network in differentiated human HL-60 neutrophils, scientists abruptly altered protrusive activity, bypassing the chemoattractant receptor/G-protein network.
Human Immunology News
An Isoform of the Giant Protein Titin Is a Master Regulator of Human T Lymphocyte Trafficking
[Cell Reports] Investigators described the unexpected role of titin, the largest protein encoded by the human genome, in the regulation of mechanisms of lymphocyte trafficking.
Human Immunology News
Phenotypic Diversity of T Cells in Human Primary and Metastatic Brain Tumors Revealed by Multiomic Interrogation
[Nature Cancer] To interrogate potential roles of T cells in this process, the authors profiled these cells from individuals with primary or metastatic brain cancers via integrated analyses on the single-cell and bulk population levels.
Human Immunology News
Cancer Cells Promote Immune Regulatory Function of Macrophages by Upregulating Scavenger Receptor MARCO Expression
[Journal of Immunology] Scientists reported that cancer cells could upregulate surface macrophage receptor with collagenous structure (MARCO) expression on human macrophages not only via IL-6–induced STAT3 activation but also via sphingosine-1-phosphate receptor-mediated IL-6 and IL-10 expression followed by STAT3 activation.
Human Immunology News
Tumor-Derived Semaphorin 4A Improves PD-1–Blocking Antibody Efficacy by Enhancing CD8+ T Cell Cytotoxicity and Proliferation
[Science Advances] Researchers demonstrated that histologically Sema4A-positive non–small cell lung cancer (NSCLC) responded significantly better to anti–programmed cell death 1 (PD-1) antibody than Sema4A-negative NSCLC.
Human Immunology News
Inhibiting N-glycan Processing Increases the Antibody Binding Affinity and Effector Function of Human Natural Killer Cells
[Immunology] The authors evaluated the impact of treatment with kifunensine, an inhibitor of asparagine-linked (N-)glycan processing, on antibody-dependent cell-mediated cytotoxicity using primary and cultured human NK cells.