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    A novel theranostic strategy for MMP-14 expressing glioblastomas impacts survival

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    Loadman_et_al_Molecular_Cancer_Therapeutics.pdf (6.652Mb)
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    Publication date
    2017-06
    Author
    Mohanty, S.
    Chen, Z.
    Li, K.
    Ribeiro Morais, Goreti
    Klockow, J.
    Yerneni, K.
    Pasani, L.
    Chin, F.T.
    Mitra, S.
    Cheshier, S.
    Chang, E.
    Gambhir, S.S.
    Rao, J.
    Loadman, Paul M.
    Falconer, Robert A.
    Daldrup-Link, H.E.
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    Keyword
    Glioblastoma; Glioblastoma initiating cells; Imaging; Therapy and theranostic nanoparticle
    Rights
    © 2017 American Association for Cancer Research. Reproduced in accordance with the publisher's self-archiving policy.
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    Glioblastoma (GBM) has a dismal prognosis. Evidence from preclinical tumor models and human trials indicates the role of GBM initiating cells (GIC) in GBM drug resistance. Here, we propose a new treatment option with tumor enzyme-activatable, combined therapeutic and diagnostic (theranostic) nanoparticles, which caused specific toxicity against GBM tumor cells and GICs. The theranostic cross-linked iron oxide nanoparticles (CLIO) were conjugated to a highly potent vascular disrupting agent (ICT) and secured with a matrix-metalloproteinase (MMP-14) cleavable peptide. Treatment with CLIO-ICT disrupted tumor vasculature of MMP-14 expressing GBM, induced GIC apoptosis and significantly impaired tumor growth. In addition, the iron core of CLIO-ICT enabled in vivo drug tracking with MR imaging. Treatment with CLIO-ICT plus temozolomide achieved tumor remission and significantly increased survival of human GBM bearing mice by more than 2 fold compared to treatment with temozolomide alone. Thus, we present a novel therapeutic strategy with significant impact on survival and great potential for clinical translation.
    URI
    http://hdl.handle.net/10454/12440
    Version
    Accepted Manuscript
    Citation
    Mohanty S, Chen Z, Li K et al (2017) A novel theranostic strategy for MMP-14 expressing glioblastomas impacts survival. Molecular Cancer Therapeutics. 16(9): 1909-1921.
    Link to publisher’s version
    http://dx.doi.org/10.1158/1535-7163.MCT-17-0022
    Type
    Article
    Collections
    Life Sciences Publications

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