2019
DOI: 10.1021/acsabm.9b00890
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Preadsorption of Serum Proteins Regulates Bacterial Infections and Subsequent Macrophage Phagocytosis on Biomaterial Surfaces

Abstract: Bacterial infection has been one of the main obstacles for extensive biomedical applications of biomaterial films. Understanding the interactions among macromolecules, cells, and bacteria in the microenvironment located on the film surface at the molecular level is essential for developing antibacterial films. Here we report the distinct influence of several key serum proteins adsorbed on diamond-like carbon (DLC) and traditional Ti films on initial bacterial adhesion, biofilm formation, and corresponding immu… Show more

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Cited by 3 publications
(2 citation statements)
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“…SEM imaging to see lysed cells or bacteria on the surface or on top of immune cells was a commonly used method to assess the survival of immune and bacterial cells ( Svensson et al, 2014 ; Mendoza et al, 2017 ; Hou et al, 2019 ; Reigada et al, 2020 ; Yang et al, 2021 ). The staining of both macrophages and bacteria, followed by confocal microscopy ( Zwicker et al, 2022 ) or, in some cases, pre-staining of bacteria ( Wagner and Bryers, 2004 ; Chen et al, 2017 ) or flow cytometry ( Chen et al, 2017 ; Mendoza et al, 2017 ), have been used to assess the number of internalized bacteria inside macrophages.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…SEM imaging to see lysed cells or bacteria on the surface or on top of immune cells was a commonly used method to assess the survival of immune and bacterial cells ( Svensson et al, 2014 ; Mendoza et al, 2017 ; Hou et al, 2019 ; Reigada et al, 2020 ; Yang et al, 2021 ). The staining of both macrophages and bacteria, followed by confocal microscopy ( Zwicker et al, 2022 ) or, in some cases, pre-staining of bacteria ( Wagner and Bryers, 2004 ; Chen et al, 2017 ) or flow cytometry ( Chen et al, 2017 ; Mendoza et al, 2017 ), have been used to assess the number of internalized bacteria inside macrophages.…”
Section: Resultsmentioning
confidence: 99%
“…An early in vitro infection model should, therefore, include bacteria and inflammatory cells ( im-bac models) with the possible addition of blood components (to represent the early hemostasis phase), followed by the addition of stromal/progenitor cells at a later time point. Until now, only a few studies have focused on the hemostasis phase and the effects of serum or blood on the antibacterial efficiency of a biomaterial, even though the addition of blood provides a clinically relevant microenvironment, which is beneficial for reducing the discrepancy between in vitro and in vivo outcomes ( Wagner and Bryers, 2004 ; Guo et al, 2017 ; Li et al, 2017 ; Hou et al, 2019 ).…”
Section: Discussionmentioning
confidence: 99%