In vivo Cerenkov luminescence imaging

A new tool for molecular imaging

Gregory Mitchell, Ruby K. Gill, David L. Boucher, Changqing Li, Simon R Cherry

Research output: Contribution to journalArticle

110 Citations (Scopus)

Abstract

Cerenkov radiation is a phenomenon where optical photons are emitted when a charged particle moves faster than the speed of light for the medium in which it travels. Recently, we and others have discovered that measurable visible light due to the Cerenkov effect is produced in vivo following the administration of b-emitting radionuclides to small animals. Furthermore, the amounts of injected activity required to produce a detectable signal are consistent with small-animal molecular imaging applications. This surprising observation has led to the development of a new hybrid molecular imaging modality known as Cerenkov luminescence imaging (CLI), which allows the spatial distribution of biomolecules labelled with b-emitting radionuclides to be imaged in vivo using sensitive charge-coupled device cameras. We review the physics of Cerenkov radiation as it relates to molecular imaging, present simulation results for light intensity and spatial distribution, and show an example of CLI in a mouse cancer model. CLI allows many common radiotracers to be imaged in widely available in vivo optical imaging systems, and, more importantly, provides a pathway for directly imaging β--emitting radionuclides that are being developed for therapeutic applications in cancer and that are not readily imaged by existing methods. This journal is

Original languageEnglish (US)
Pages (from-to)4605-4619
Number of pages15
JournalPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Volume369
Issue number1955
DOIs
StatePublished - Nov 28 2011

Fingerprint

Cerenkov radiation
Molecular imaging
Luminescence
radioactive isotopes
Imaging
Radioisotopes
luminescence
Imaging techniques
animals
spatial distribution
cancer
Spatial distribution
Animals
Light velocity
Radiation
luminous intensity
travel
mice
charge coupled devices
Spatial Distribution

Keywords

  • Cerenkov radiation
  • In vivo molecular imaging
  • Optical imaging

ASJC Scopus subject areas

  • Mathematics(all)
  • Physics and Astronomy(all)
  • Engineering(all)

Cite this

In vivo Cerenkov luminescence imaging : A new tool for molecular imaging. / Mitchell, Gregory; Gill, Ruby K.; Boucher, David L.; Li, Changqing; Cherry, Simon R.

In: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 369, No. 1955, 28.11.2011, p. 4605-4619.

Research output: Contribution to journalArticle

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