ArticleJournal of biological physics2011
Examination of trafficking of phagocytosed colloid particles in neutrophils using synchrotron-based X-ray fluorescence microscopy (XFM).
Article in Journal of biological physics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Metal and complementary molecular bioimaging in Alzheimer's disease.Frontiers in aging neuroscience · 2014Review
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
unlabelledSynchrotron-based X-ray fluorescence microscopy (XFM) can localise chemical elements at a subcellular level. 99mTechnetium stannous (TcSn) colloid is taken up by phagocytes via a Complement Receptor 3 mediated phagocytic process. In the current study, XFM was used to examine the intracellular trafficking of TcSn colloid in neutrophils. XFM was performed on TcSn colloid, and neutrophils labelled with TcSn colloid, in whole blood. We developed a set of pixel by pixel analysis and mapping techniques incorporating cluster analysis that allowed us to differentiate neutrophils and artefactual contaminants, and we examined the changes in element distribution that accompany neutrophil phagocytosis of TcSn colloid. Sn became associated with half the neutrophils. Within cells, Sn colocalised with iron (Fe) and sulphur (S), and was negatively associated with calcium (Ca). Despite the high sensitivity of XFM, Tc was not detected. XFM can help clarify the intracellular processes that accompany neutrophil phagocytosis. The subcellular colocalisation of Sn with Fe is consistent with fusion of the colloid-containing phagosome with neutrophil granules. The association of Sn with S suggests that proteins rich in S-containing amino acids are present in the phagosome. The negative colocalisation with Ca indicates that ongoing maturation of the TcSn colloid phagosome is no longer calcium dependent one hour after phagocytosis. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s10867-011-9233-9) contains supplementary material, which is available to authorized users.
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