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Cancer targeting peptides.

Mona Kalmouni1, Sumaya Al-Hosani1, Mazin Magzoub2

  • 1Biology Program, New York University Abu Dhabi, PO Box 129188, Saadiyat Island Campus, Abu Dhabi, United Arab Emirates.

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Cell-penetrating peptides (CPPs) enhance drug delivery but lack specificity. Cancer targeting peptides (CTPs) conjugated to drugs or nanoparticles improve cancer cell targeting for better therapeutic delivery.

Keywords:
HypoxiaLow pHMetabolismNanoplatformsProteasesTargeted therapyTumors

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Area of Science:

  • Biotechnology
  • Drug Delivery
  • Nanomedicine

Background:

  • Biomacromolecules face challenges in cellular uptake due to their size and hydrophilicity.
  • Cell-penetrating peptides (CPPs) show promise for intracellular delivery but lack target specificity.
  • Cancer targeting peptides (CTPs) offer a strategy to improve specificity by exploiting tumor microenvironment characteristics.

Purpose of the Study:

  • To review strategies for enhancing cancer therapeutic delivery using targeted peptides.
  • To discuss the development of cell-penetrating peptides (CPPs) and cancer targeting peptides (CTPs).
  • To explore the design of multi-component nanoparticles for efficient cancer drug delivery.

Main Methods:

  • Review of current strategies involving conjugation of chemotherapeutic drugs to cancer targeting peptides (CTPs).
  • Analysis of CPPs and CTPs for their role in mediating cargo import into cells.
  • Discussion on designing multi-component nanoparticles conjugated to CTPs for targeted delivery.

Main Results:

  • Cancer targeting peptides (CTPs) conjugated to drugs improve cancer cell specificity.
  • CPPs facilitate efficient in vitro and in vivo import of various cargoes.
  • Multi-component nanoparticles conjugated to CTPs represent a promising strategy for enhanced cancer therapeutic delivery.

Conclusions:

  • Targeted delivery strategies using CTPs are crucial for overcoming CPP limitations.
  • The conjugation of CTPs to drugs or nanoparticles significantly enhances cancer cell specificity.
  • Advanced nanoparticle designs hold potential for more effective cancer treatment delivery.