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Article

Chlorotoxin-conjugated onconase as a potential anti-glioma drug

  • Authors:
    • Xiaomin Wang
    • Zhanyun Guo
  • View Affiliations / Copyright

    Affiliations: Institute of Protein Research, College of Life Sciences and Technology, Tongji University, Shanghai 200092, P.R. China
  • Pages: 1337-1342
    |
    Published online on: December 29, 2014
       https://doi.org/10.3892/ol.2014.2835
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Abstract

Gliomas are rarely curable malignant brain tumors arising from normal glial cells. The scorpion‑derived small peptide, chlorotoxin (CTX), can selectively bind malignant gliomas. In the present study, a CTX‑conjugated onconase (Onc), a small cytotoxic ribonuclease, was prepared as a potential anti‑glioma drug. In this conjugate, recombinant CTX was covalently linked with recombinant Onc by reversible disulfide linkage. The chemically conjugated CTX‑Onc showed much higher cytotoxicity to the cultured glioma U251 and SHG‑44 cells than the physical mixture of CTX and Onc (CTX + Onc). In the nude mouse models bearing subcutaneous U251 or SHG‑44 tumors, the CTX‑Onc conjugate also showed improved anti‑tumor effects than the CTX + Onc control. These results suggested that the reversible chemical‑conjugated CTX promoted the tumor targeting of Onc, and thus the present CTX‑Onc conjugate could be further developed as a potential targeted anti‑glioma drug.
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Copy and paste a formatted citation
Spandidos Publications style
Wang X and Guo Z: Chlorotoxin-conjugated onconase as a potential anti-glioma drug. Oncol Lett 9: 1337-1342, 2015.
APA
Wang, X., & Guo, Z. (2015). Chlorotoxin-conjugated onconase as a potential anti-glioma drug. Oncology Letters, 9, 1337-1342. https://doi.org/10.3892/ol.2014.2835
MLA
Wang, X., Guo, Z."Chlorotoxin-conjugated onconase as a potential anti-glioma drug". Oncology Letters 9.3 (2015): 1337-1342.
Chicago
Wang, X., Guo, Z."Chlorotoxin-conjugated onconase as a potential anti-glioma drug". Oncology Letters 9, no. 3 (2015): 1337-1342. https://doi.org/10.3892/ol.2014.2835
Copy and paste a formatted citation
x
Spandidos Publications style
Wang X and Guo Z: Chlorotoxin-conjugated onconase as a potential anti-glioma drug. Oncol Lett 9: 1337-1342, 2015.
APA
Wang, X., & Guo, Z. (2015). Chlorotoxin-conjugated onconase as a potential anti-glioma drug. Oncology Letters, 9, 1337-1342. https://doi.org/10.3892/ol.2014.2835
MLA
Wang, X., Guo, Z."Chlorotoxin-conjugated onconase as a potential anti-glioma drug". Oncology Letters 9.3 (2015): 1337-1342.
Chicago
Wang, X., Guo, Z."Chlorotoxin-conjugated onconase as a potential anti-glioma drug". Oncology Letters 9, no. 3 (2015): 1337-1342. https://doi.org/10.3892/ol.2014.2835
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