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Berlin Brandenburg

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  • 1
    Language: English
    In: Clinical neuropathology, 2009, Vol.28(3), pp.153-64
    Description: The objective of this study was to investigate the therapeutic effects of doxorubicin bound to polysorbate-coated nanoparticles that had previously been shown to significantly enhance survival in the orthotopic rat 101/8 glioblastoma model. Tumor-bearing animals were subjected to chemotherapy using doxorubicin in solution (Dox-sol) or doxorubicin bound to polysorbate 80-coated poly(butyl cyanoacrylate) nanoparticles (Dox-np) injected intravenously on Days 2, 5 and 8 post tumor implantation. The antitumor effect was assessed on Days 10, 14 and 18 post tumor implantation. Tumors showed signs of malignancy including invasion of brain tissue, brisk mitotic activity, microvascular proliferation, necrosis and increased proliferation resembling human glioblastoma. Dox-np produced a considerably more pronounced antitumor effect exhibited as a reduced tumor size, lower proliferation, and a decreased necrotic area compared to Dox-sol and to untreated control groups. A drastic effect of Dox-np on vascularization indicated an antiangiogenic mode of action.
    Keywords: Drug Delivery Systems ; Angiogenesis Inhibitors -- Administration & Dosage ; Brain Neoplasms -- Drug Therapy ; Doxorubicin -- Administration & Dosage ; Glioblastoma -- Drug Therapy
    ISSN: 0722-5091
    Source: MEDLINE/PubMed (U.S. National Library of Medicine)
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  • 2
    Language: English
    In: Clinical Neuropathology, 2009, Vol.28(05), pp.153-164
    ISSN: 0722-5091
    Source: CrossRef
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