Radiolabeled probes targeting tyrosine-kinase receptors for personalized medicine

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10 Citations (Scopus)


Receptor tyrosine kinases (RTK) are transmembrane receptors regulating cellular proliferation, differentiation, apoptosis, motility and recruitment of the vasculature. Aberrant expression and/or function of RTK have been detected in many malignant tumors and are considered to be a part of the transformed phenotype. The action of several classes of anti-cancer drugs is based on specific recognition of RTK. Monoclonal antibodies target extracellular binding domains, while tyrosine kinase inhibitors (TKI) bind to intracellular kinase domains to suppress RTK signaling. The issues regarding the efficient use of RTK targeting are the inter- and intra-patient heterogeneity of RTK expression and the changes of expression levels during the course of disease and in response to therapy. Radionuclide molecular imaging of RTK expression may aid in selecting patients who would benefit from RTK-targeting therapy and in identifying non-responders. Therefore, the therapy would be more personalized. Currently, radiolabeled proteins (monoclonal antibodies and their fragments, natural peptides ligands to RTK and de novo selected affinity proteins) and TKI and their analogues are under development for the visualization of RTK. In this review, we discuss the advantages and disadvantages of these approaches.

Original languageEnglish
Pages (from-to)2275-2292
Number of pages18
JournalCurrent Pharmaceutical Design
Issue number14
Publication statusPublished - 2014
Externally publishedYes


  • Molecular imaging
  • Monoclonal antibodies
  • Radionuclide
  • Receptor tyrosine kinases
  • Scaffold proteins
  • Tyrosine kinase inhibitors

ASJC Scopus subject areas

  • Pharmacology
  • Drug Discovery

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