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Volumetric tomography of fluorescent proteins through small animals in vivo

  • Giannis Zacharakis
  • , Hirokazu Kambara
  • , Helen Shih
  • , Jorge Ripoll
  • , Jan Grimm
  • , Yoshinaga Saeki
  • , Ralph Weissleder
  • , Vasilis Ntziachristos
  • Massachusetts General Hospital
  • Foundation for Research and Technology-Hellas, Institute of Electronic Structure and Laser

Research output: Contribution to journalArticlepeer-review

116 Scopus citations

Abstract

Volumetric detection and accurate quantification of fluorescent proteins in entire animals would greatly enhance our ability to monitor biological processes in vivo. Here we present a quantitative tomographic technique for visualization of superficial and deep-seated (>2-3 mm) fluorescent protein activity in vivo. We demonstrate noninvasive imaging of lung tumor progression in a murine model, as well as imaging of gene delivery using a herpes virus vector. This technology can significantly improve imaging capacity over the current state of the art and should find wide in vivo imaging applications in drug discovery, immunology, and cancer research.

Original languageEnglish
Pages (from-to)18252-18257
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume102
Issue number51
DOIs
StatePublished - 20 Dec 2005
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Fluorescence
  • Gene transfer
  • Imaging gene expression
  • Multispectral imaging
  • Whole-body imaging

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