Proteomic analysis of serum opsonins impacting biodistribution and cellular association of porous silicon microparticles

Rita E. Serda, Elvin Blanco, Aaron Mack, Susan J. Stafford, Sarah Amra, Qingpo Li, Anne De Ven Van, Takemi Tanaka, Vladimir P. Torchilin, John E. Wiktorowicz, Mauro Ferrari

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    Mass transport of drug delivery vehicles is guided by particle properties, such as size, shape, composition, and surface chemistry, as well as biomolecules and serum proteins that adsorb to the particle surface. In an attempt to identify serum proteins influencing cellular associations and biodistribution of intravascularly injected particles, we used two-dimensional gel electrophoresis and mass spectrometry to identify proteins eluted from the surface of cationic and anionic silicon microparticles. Cationic microparticles displayed a 25-fold greater abundance of Ig light variable chain, fibrinogen, and complement component 1 compared to their anionic counterparts. Anionic microparticles were found to accumulate in equal abundance in murine liver and spleen, whereas cationic microparticles showed preferential accumulation in the spleen. Immunohistochemistry supported macrophage uptake of both anionic and cationic microparticles in the liver, as well as evidence of association of cationic microparticles with hepatic endothelial cells. Furthermore, scanning electron micrographs supported cellular competition for cationic microparticles by endothelial cells and macrophages. Despite high macrophage content in the lungs and tumor, microparticle uptake by these cells was minimal, supporting differences in the repertoire of surface receptors expressed by tissue-specific macrophages. In summary, particle surface chemistry drives selective binding of serum components impacting cellular interactions and biodistribution.

    Original languageEnglish (US)
    Pages (from-to)43-55
    Number of pages13
    JournalMolecular Imaging
    Volume10
    Issue number1
    DOIs
    StatePublished - Jan 2011

    Fingerprint

    Opsonin Proteins
    Macrophages
    Porous silicon
    microparticles
    Silicon
    porous silicon
    serums
    Proteomics
    Association reactions
    macrophages
    Endothelial cells
    Surface chemistry
    Proteins
    Serum
    Liver
    Blood Proteins
    Spleen
    Endothelial Cells
    Complement C1
    spleen

    ASJC Scopus subject areas

    • Radiology Nuclear Medicine and imaging
    • Biotechnology
    • Molecular Medicine
    • Biomedical Engineering
    • Condensed Matter Physics

    Cite this

    Proteomic analysis of serum opsonins impacting biodistribution and cellular association of porous silicon microparticles. / Serda, Rita E.; Blanco, Elvin; Mack, Aaron; Stafford, Susan J.; Amra, Sarah; Li, Qingpo; Van, Anne De Ven; Tanaka, Takemi; Torchilin, Vladimir P.; Wiktorowicz, John E.; Ferrari, Mauro.

    In: Molecular Imaging, Vol. 10, No. 1, 01.2011, p. 43-55.

    Research output: Contribution to journalArticle

    Serda, RE, Blanco, E, Mack, A, Stafford, SJ, Amra, S, Li, Q, Van, ADV, Tanaka, T, Torchilin, VP, Wiktorowicz, JE & Ferrari, M 2011, 'Proteomic analysis of serum opsonins impacting biodistribution and cellular association of porous silicon microparticles', Molecular Imaging, vol. 10, no. 1, pp. 43-55. https://doi.org/10.2310/7290.2011.00008
    Serda, Rita E. ; Blanco, Elvin ; Mack, Aaron ; Stafford, Susan J. ; Amra, Sarah ; Li, Qingpo ; Van, Anne De Ven ; Tanaka, Takemi ; Torchilin, Vladimir P. ; Wiktorowicz, John E. ; Ferrari, Mauro. / Proteomic analysis of serum opsonins impacting biodistribution and cellular association of porous silicon microparticles. In: Molecular Imaging. 2011 ; Vol. 10, No. 1. pp. 43-55.
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