期刊
MOLECULAR CANCER THERAPEUTICS
卷 7, 期 7, 页码 1909-1912出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1535-7163.MCT-08-0086
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The oncogene c-Jun has been found to be up-regulated in a variety of cancers, including osteosarcoma. Doxorubicin is a frontline chemotherapeutic against osteosarcoma, but is limited by toxicity. DNAzymes are oligonucleotides capable of specific catalysis of target mRNA. A biocompatible c-Jun DNAzyme nanoparticle formulated from chitosan regressed the growth and metastasis of preestablished tumors, especially in combination with doxorubicin. In vitro data confirmed that c-Jun knockdown chemosensitized these cells to doxorubicin treatment. c-Jun down-regulation-mediated tumor inhibition also led to concomitant decreased osteolysis. Clinically, knockdown of c-Jun with chitosan nanobiotechnology may proffer an improved treatment outcome for osteosarcoma.
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