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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.
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Related Experiment Video

Updated: Dec 18, 2025

The Bioconjugation and Radiosynthesis of 89Zr-DFO-labeled Antibodies
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Current Perspectives on 89Zr-PET Imaging.

Joon-Kee Yoon1, Bok-Nam Park1, Eun-Kyoung Ryu2

  • 1Department of Nuclear Medicine & Molecular Imaging, Ajou University School of Medicine, Worldcup-ro 164, Suwon 16499, Korea.

International Journal of Molecular Sciences
|June 21, 2020
PubMed
Summary
This summary is machine-generated.

Zirconium-89 (89Zr) positron emission tomography (PET) is a powerful tool for monitoring antibody-based cancer therapies. This review highlights 89Zr immuno-PET

Keywords:
89Zrmonoclonal antibodyoncological imagingpositron emission tomography

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Area of Science:

  • Nuclear medicine
  • Radiochemistry
  • Oncology

Background:

  • Zirconium-89 (89Zr) is a positron-emitting radionuclide with a long half-life (3.3 days).
  • Its long half-life is ideal for tracking the in vivo distribution of monoclonal antibodies.
  • Immuno-positron emission tomography (immuno-PET) combines PET imaging sensitivity with antibody specificity.

Purpose of the Study:

  • To review the current applications of 89Zr-PET imaging in preclinical and clinical studies.
  • To highlight the use of 89Zr immuno-PET for clinically relevant targets.
  • To discuss emerging applications and limitations of 89Zr-PET.

Main Methods:

  • Review of preclinical and clinical studies utilizing 89Zr-PET.
  • Focus on immuno-PET for various cancer-related targets.
  • Exploration of non-immuno-PET applications like nanoparticle imaging and cell tracking.

Main Results:

  • 89Zr immuno-PET is feasible for predicting therapy efficacy, imaging target expression, and monitoring chemotherapy.
  • Studies demonstrate its utility in detecting target-expressing tumors.
  • Applications extend beyond immuno-PET to nanoparticle imaging and cell tracking.

Conclusions:

  • 89Zr-PET is a valuable tool in oncology, particularly for antibody-based therapies and diagnostics.
  • Ongoing research aims to address current limitations and expand its clinical utility.
  • 89Zr immuno-PET shows significant promise for personalized cancer medicine.