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Updated: Jun 18, 2026

In Vitro Imaging and Quantification of the Drug Targeting Efficiency of Fluorescently Labeled GnRH Analogues
Published on: March 21, 2017
Receptor-mediated tumor targeting based on peptide hormones
1Eötvös Loránd University, Research Group of Peptide Chemistry, Hungarian Academy of Sciences, 1117 Budapest, Hungary. gmezo@elte.hu
Hormone peptides like GnRH and somatostatin derivatives target tumors by inhibiting growth. These peptides are used in novel diagnostic and therapeutic cancer agents, with some already in clinical use.
Area of Science:
- Oncology
- Peptide Therapeutics
- Molecular Imaging
Background:
- Receptor overexpression of regulatory peptides on tumor cells enables targeted delivery.
- Peptides serve as carriers for diagnostic and therapeutic agents, enhancing selectivity and reducing toxicity.
Purpose of the Study:
- To review gonadotropin-releasing hormone (GnRH) and somatostatin derivatives for cancer applications.
- To summarize recent advancements in peptide-based cancer diagnosis and therapy.
Main Methods:
- Literature review of articles published between 2000 and 2009.
- Focus on gonadotropin-releasing hormone (GnRH) and somatostatin derivatives.
Main Results:
- GnRH and somatostatin derivatives exhibit tumor growth inhibitory effects.
- These derivatives are utilized in conjugates for targeted chemotherapy, radiotherapy, photodynamic therapy, and boron neutron capture therapy.
- Several conjugates are in clinical trials or already in clinical application for cancer diagnosis and treatment.
Conclusions:
- Tumor targeting with hormone peptides offers a foundation for innovative cancer diagnostics and therapeutics.
- Peptide-based targeting holds significant promise for improving cancer patient outcomes.
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