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The evolution of news and media website design: trend analysis of rich media, social sharing, and ad placements

Journal of Management Analytics 2017年第4期4卷 345-358页

作者： sonya zhang Ashish Hingle College of Business Administration California State Polytechnic UniversityPomonaCAUSA

News and Media websites have evolved over time,with increasing complexity in their design,content,and monetization *** this study we examined and reported the trends of rich media(images and video),social sharing(newer and older social media),and ad placements(display ads and native ads)for eight high-ranked news and media websites in four categories:online television news(CNN,FoxNews),online newspapers(LA Times,NY Times),online magazines(Wired,Forbes),and technology blogs(TechCrunch,TheNextWeb)over the course of 10 years.

关键词： web analytics website design content rich website news and media website

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Desialylated Platelet Clearance in the Liver is a Novel Mechanism of Systemic Immunosuppression

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Research 2024年第3期2023卷 35-50页

作者： June Li Danielle Karakas Feng Xue Yingyu Chen Guangheng Zhu Yeni H.Yucel sonya A.MacParland Haibo zhang John W.Semple John Freedman Qizhen Shi Heyu Ni Department of Laboratory Medicine and Pathobiology University of TorontoTorontoONCanada Toronto Platelet Immunobiology Group TorontoONCanada Keenan Research Centre for Biomedical Science of St.Michael's Hospital TorontoONCanada Canadian Blood Services Centre for Innovation TorontoONCanada Departments of Pediatrics Medical College of WisconsinMilwaukeeWIUSA Blood Research Institute Versiti WisconsinMilwaukeeWIUSA Departments of Ophthalmology and Vision Sciences Medicine University of TorontoTorontoONCanada Faculty of Engineering and Architectural Science Ryerson UniversityTorontoONCanada Multi-Organ Transplant Program Toronto General Hospital Research InstituteTorontoONCanada Department of Immunology University of TorontoTorontoONCanada Critical Care Medicine Department ofAnesthesiology and PainUniversity of TorontoTorontoONCanada Department of Physiology University of TorontoTorontoONCanada Department of Pharmacology University of TorontoTorontoONCanada. Division of Hematology and Transfusion Medicine Lund UniversityLundSweden clinical Immunology and Transfusion Medicine Ofice of Medical ServicesRegion SkaneLundSweden Department of Medicine University of TorontoTorontoONCanada Children's Research Institute Children's WisconsinWauwatosaWIUSA Midwest Athletes Against Childhood Cancer Fund Research Center MilwaukeeWIUSA.

Platelets are small, versatile blood cells that are critical for hemostasis/thrombosis. Local platelet accumulation is a known contributor to proinflammation in various disease states. However, the anti-inflammatory/immunosuppressive potential of platelets has been poorly explored. Here, we uncovered, unexpectedly, desialylated platelets (dPLTs) down-regulated immune responses against both platelet-associated and -independent antigen challenges. Utilizing multispectral photoacoustic tomography, we tracked dPLT trafficking to gut vasculature and an exclusive Kupffer cell-mediated dPLT clearance in the liver, a process that we identified to be synergistically dependent on platelet glycoprotein Ibα and hepatic Ashwell–Morell receptor. Mechanistically, Kupffer cell clearance of dPLT potentiated a systemic immunosuppressive state with increased anti-inflammatory cytokines and circulating CD4+ regulatory T cells, abolishable by Kupffer cell depletion. Last, in a clinically relevant model of hemophilia A, presensitization with dPLT attenuated anti-factor VIII antibody production after factor VIII ( infusion. As platelet desialylation commonly occurs in daily-aged and activated platelets, these findings open new avenues toward understanding immune homeostasis and potentiate the therapeutic potential of dPLT and engineered dPLT transfusions in controlling autoimmune and alloimmune diseases.

关键词： Platelet transfusion homeostasis

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