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Related Concept Videos

Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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RGD-based PET tracers for imaging receptor integrin αv β3 expression.

Hancheng Cai1, Peter S Conti

  • 1PET Center, Children's Hospital of Michigan, Detroit Medical Center, Detroit, MI, 48201, USA; Wayne State University School of Medicine, Detroit, MI, 48201, USA.

Journal of Labelled Compounds & Radiopharmaceuticals
|November 29, 2013
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Summary

New positron emission tomography (PET) tracers targeting integrin αv β3 show promise for early disease detection and drug development. This review details advancements in arginine-glycine-aspartic acid (RGD) peptide-based PET tracer radiochemistry.

Keywords:
PET imagingRGDintegrinradiochemistry

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Area of Science:

  • Nuclear medicine
  • Radiochemistry
  • Molecular imaging

Background:

  • Integrin αv β3 receptor expression is crucial in cancer and cardiovascular diseases.
  • Positron emission tomography (PET) imaging offers vital diagnostic and therapeutic monitoring capabilities.
  • Advances in PET chemistry have enabled the development of novel imaging tracers.

Purpose of the Study:

  • To review the radiochemistry development of PET tracers targeting integrin αv β3.
  • To provide an overview of strategies for preparing arginine-glycine-aspartic acid (RGD) peptide-based PET tracers.
  • To highlight recent advances in RGD-based PET tracer development.

Main Methods:

  • Focus on radiochemistry of RGD peptide-based PET tracers.
  • Overview of general strategies for RGD-based PET tracer preparation.
  • Review of recent advances in (18)F, (64)Cu, and (68)Ga-labeled RGD tracers.

Main Results:

  • Significant progress in developing RGD-based PET tracers for integrin αv β3 imaging.
  • Development of multivalent and multimodality RGD-based PET probes.
  • Demonstrated potential for early disease detection and therapeutic evaluation.

Conclusions:

  • RGD peptide-based PET tracers are valuable tools for imaging integrin αv β3 expression.
  • Ongoing advancements facilitate improved diagnostic and therapeutic applications.
  • These tracers are critical for anti-angiogenic drug discovery and development.