Novel Strategy for Preparing Dual-Modality Optical/PET Imaging Probes via Photo-Click Chemistry

Lingyi Sun, Jiule Ding, Wei Xing, Yongkang Gai, Jing Sheng, Dexing Zeng

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Preparation of small molecule based dual-modality probes remains a challenging task due to the complicated synthetic procedure. In this study, a novel concise and generic strategy for preparing dual-modality optical/PET imaging probes via photo-click chemistry was developed, in which the diazole photo-click linker functioned not only as a bridge between the targeting-ligand and the PET imaging moiety, but also as the fluorophore for optical imaging. A dual-modality AE105 peptidic probe was successfully generated via this strategy and subsequently applied in the fluorescent staining of U87MG cells and the 68Ga based PET imaging of mice bearing U87MG xenograft. In addition, dual-modality monoclonal antibody cetuximab has also been generated via this strategy and labeled with 64Cu for PET imaging studies, broadening the application of this strategy to include the preparation of macromolecule based imaging probes.

Original languageEnglish (US)
Pages (from-to)1200-1204
Number of pages5
JournalBioconjugate Chemistry
Volume27
Issue number5
DOIs
StatePublished - May 18 2016
Externally publishedYes

Fingerprint

Click Chemistry
Optical Imaging
Imaging techniques
Heterografts
Monoclonal Antibodies
Staining and Labeling
Ligands
Bearings (structural)
Monoclonal antibodies
Fluorophores
Macromolecules
Molecules
Cetuximab

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering
  • Pharmacology
  • Pharmaceutical Science
  • Organic Chemistry

Cite this

Novel Strategy for Preparing Dual-Modality Optical/PET Imaging Probes via Photo-Click Chemistry. / Sun, Lingyi; Ding, Jiule; Xing, Wei; Gai, Yongkang; Sheng, Jing; Zeng, Dexing.

In: Bioconjugate Chemistry, Vol. 27, No. 5, 18.05.2016, p. 1200-1204.

Research output: Contribution to journalArticle

Sun, Lingyi ; Ding, Jiule ; Xing, Wei ; Gai, Yongkang ; Sheng, Jing ; Zeng, Dexing. / Novel Strategy for Preparing Dual-Modality Optical/PET Imaging Probes via Photo-Click Chemistry. In: Bioconjugate Chemistry. 2016 ; Vol. 27, No. 5. pp. 1200-1204.
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