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نویسندگان مقالات پربازدید :
مواد زیستی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • cd44 antibody-targeted liposomal nanoparticles for molecular imaging and therapy of hepatocellular carcinoma

    نویسندگان :
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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1391/01/01
    • تاریخ انتشار در تی پی بین: 1391/01/01
    • تعداد بازدید: 968
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     most hepatocellular carcinoma (hcc) therapies fail to target cancer stem cells (cscs) and monitor cancer progression or regression. the purpose of this study was to evaluate the possibility of cancer imaging and simultaneously monitoring targeted therapy in a single animal by anti-cd44 antibody-mediated liposomal nanoparticle. in this study, an in situ liver tumor model was applied for therapy by injecting 1.0 × 106 hepg2 cells carrying a reporter system encoding a double fusion (df) reporter gene consisting of firefly luciferase (fluc) and green fluorescent protein (gfp) into the liver of nod/scid mice. a strategy was developed which specifically targeted hcc via anti-cd44 antibody-mediated liposomal nanoparticle delivery, loaded of either doxorubicin (dox) or a triple fusion (tf) gene containing the herpes simplex virus truncated thymidine kinase (hsv-ttk) and renilla luciferase (rluc) and red fluorescent protein (rfp). the nod/scid mice were subsequently treated with ganciclovir (gcv) and the growth status of tumor was monitored by optical bioluminescence imaging (bli) of fluc and specific targeting of the liposomal nanoparticle was tracked by rluc imaging. cd44 antibody-mediated liposomal nanoparticle, loaded of tf plasmids, were shown to be useful for monitoring and evaluating targeting efficacy and gene therapy by non-invasive molecular imaging. here, we demonstrate the time intensive preclinical steps involved in molecular target identification, validation, and characterization by dual molecular imaging. this targeted and traceable therapeutic strategy has potential advantages to overcome the problems of conventional tumor therapy and may open a new application for the treatment of hcc by targeting cscs.

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