iRGD as a tumor‑penetrating peptide for cancer therapy (Review)

  • Authors:
    • Hong Yin
    • Jie Yang
    • Qing Zhang
    • Haiyu Wang
    • Jinjing Xu
    • Junnian Zheng
  • View Affiliations

  • Published online on: March 30, 2017     https://doi.org/10.3892/mmr.2017.6419
  • Pages: 2925-2930
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Abstract

As a tumor-targeting and ‑penetrating peptide, iRGD binds to αv integrins and neuropilin‑1 receptors, which are expressed at high levels on tumor cells and the surfaces of vasculature. Subsequently, iRGD penetrates deep into the tumor parenchyma with antitumor drugs, imaging agents, immune modulators and biological products. These substances are either chemically linked to the peptide or co‑injected with the peptide. The iRGD peptide can be readily synthesized, exhibits significantly improved penetration, compared with traditional peptides, and can effectively inhibit tumor metastasis. Therefore, the peptide is now used widely for the diagnosis and treatment of cancer. However, whether the peptide is able to promote the entry of drugs into non‑targeted cells remains to be fully elucidated. In this review, an overview of iRGD is presented, focusing on its identification, mechanism of action and previous studies on its roles in various types of cancer. Studies in previous years have demonstrated the potential of the iRGD protein for tumors diagnosis and targeted treatment, which warrants further investigation.
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May-2017
Volume 15 Issue 5

Print ISSN: 1791-2997
Online ISSN:1791-3004

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Copy and paste a formatted citation
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Spandidos Publications style
Yin H, Yang J, Zhang Q, Wang H, Xu J and Zheng J: iRGD as a tumor‑penetrating peptide for cancer therapy (Review). Mol Med Rep 15: 2925-2930, 2017
APA
Yin, H., Yang, J., Zhang, Q., Wang, H., Xu, J., & Zheng, J. (2017). iRGD as a tumor‑penetrating peptide for cancer therapy (Review). Molecular Medicine Reports, 15, 2925-2930. https://doi.org/10.3892/mmr.2017.6419
MLA
Yin, H., Yang, J., Zhang, Q., Wang, H., Xu, J., Zheng, J."iRGD as a tumor‑penetrating peptide for cancer therapy (Review)". Molecular Medicine Reports 15.5 (2017): 2925-2930.
Chicago
Yin, H., Yang, J., Zhang, Q., Wang, H., Xu, J., Zheng, J."iRGD as a tumor‑penetrating peptide for cancer therapy (Review)". Molecular Medicine Reports 15, no. 5 (2017): 2925-2930. https://doi.org/10.3892/mmr.2017.6419