Peptide-receptor ligands and multivalent approach

Paolo Ruzza1, Anna Marchiani, Nicola Antolini

  • 1Institute of Biomolecular Chemistry of CNR, Padova Unit, via Marzolo 1, 35131 Padova, Italy. paolo.ruzza@unipd.it

Insights

Targeting peptide ligands, overexpressed in tumors, offer promising cancer imaging and therapy. Advances in peptide synthesis and radiolabeling enable development of targeted radiopharmaceuticals for improved cancer treatment.

Area of Science:

  • Oncology
  • Radiopharmaceutical Chemistry
  • Molecular Imaging

Background:

  • Overexpressed peptide receptors on human tumors present therapeutic and diagnostic targets.
  • Peptide-ligands are attractive for targeted cancer imaging and therapy.
  • Radiopharmaceuticals combine bioactive peptides with radionuclides for targeted delivery.

Purpose of the Study:

  • To review principal receptor-binding peptides and their tumor cell overexpression.
  • To discuss advantages and challenges in developing multivalent peptide-based ligands.
  • To summarize design strategies and applications of peptide-based ligands in oncology.

Main Methods:

  • Review of scientific literature on receptor-binding peptides.
  • Analysis of peptide synthesis, phage display, and combinatorial chemistry techniques.
  • Examination of bifunctional chelating agents and radiolabeling methods.

Main Results:

  • Identified key receptor-binding peptides overexpressed on various tumor cells.
  • Highlighted advancements in peptide-based ligand development through modern synthesis and display technologies.
  • Demonstrated the utility of radiolabeled peptides in diagnostic imaging and therapeutic applications.

Conclusions:

  • Peptide-ligands are valuable tools for targeted cancer diagnostics and therapeutics.
  • Multivalent peptide designs offer enhanced targeting but present development challenges.
  • Continued research in peptide chemistry and radiolabeling will advance targeted cancer medicine.

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