Cell-specific imaging of reporter gene expression using a two-step transcriptional amplification strategy

Marxa L. Figueiredo, Sanjiv Sam Gambhir, Michael Carey, Lily Wu

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

INTRODUCTION The monitoring of reporter gene expression allows measurement of the location(s), magnitude, and time variation of gene transcription in living animals and humans. Several imaging modalities can be employed for repetitive, noninvasive monitoring of reporter gene expression. The most common methods include positron emission tomography (PET), single photon emission computed tomography (SPECT), magnetic resonance imaging (MRI), and optical imaging by bioluminescence (e.g., Firefly luciferase, Fluc, or luc) or fluorescence (e.g., green fluorescent protein, GFP). The strengths of each imaging modality are reviewed in Chapters 1–4. Noninvasive imaging has been applied extensively to monitor gene therapy, to detect cell migration and metastasis, and finally to monitor endogenous gene expression (by the use of transgenic mice expressing a reporter gene). A common and successful means to target imaging of reporter gene expression to a particular tissue is to employ a transcriptional targeting strategy. Transcriptional targeting refers to the use of a cell-specific regulatory element (promoter or promoter/enhancer) to restrict gene expression to a particular tissue or cell type. A pitfall in using tissue- or tumor-specific promoters (TSPs) is that the relatively weak transcriptional activity of a cellular promoter could in principle greatly limit imaging sensitivity due to low levels of reporter gene expression in vivo. This contrasts with the potent but non-tissue–specific viral promoters like the simian virus 40 (SV40) early promoter or the cytomegalovirus (CMV) enhancer/promoter.

Original languageEnglish (US)
Title of host publicationMolecular Imaging with Reporter Genes
PublisherCambridge University Press
Pages127-148
Number of pages22
ISBN (Print)9780511730405, 9780521882330
DOIs
StatePublished - Jan 1 2010
Externally publishedYes

Fingerprint

Reporter Genes
Gene expression
Amplification
Gene Expression
Imaging techniques
Gene Expression Profiling
Tissue
Firefly Luciferases
Simian virus 40
Optical Imaging
Genes
Green Fluorescent Proteins
Single-Photon Emission-Computed Tomography
Cytomegalovirus
Single photon emission computed tomography
Bioluminescence
Genetic Therapy
Carcinogens
Positron-Emission Tomography
Transgenic Mice

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Figueiredo, M. L., Gambhir, S. S., Carey, M., & Wu, L. (2010). Cell-specific imaging of reporter gene expression using a two-step transcriptional amplification strategy. In Molecular Imaging with Reporter Genes (pp. 127-148). Cambridge University Press. https://doi.org/10.1017/CBO9780511730405.007

Cell-specific imaging of reporter gene expression using a two-step transcriptional amplification strategy. / Figueiredo, Marxa L.; Gambhir, Sanjiv Sam; Carey, Michael; Wu, Lily.

Molecular Imaging with Reporter Genes. Cambridge University Press, 2010. p. 127-148.

Research output: Chapter in Book/Report/Conference proceedingChapter

Figueiredo, ML, Gambhir, SS, Carey, M & Wu, L 2010, Cell-specific imaging of reporter gene expression using a two-step transcriptional amplification strategy. in Molecular Imaging with Reporter Genes. Cambridge University Press, pp. 127-148. https://doi.org/10.1017/CBO9780511730405.007
Figueiredo ML, Gambhir SS, Carey M, Wu L. Cell-specific imaging of reporter gene expression using a two-step transcriptional amplification strategy. In Molecular Imaging with Reporter Genes. Cambridge University Press. 2010. p. 127-148 https://doi.org/10.1017/CBO9780511730405.007
Figueiredo, Marxa L. ; Gambhir, Sanjiv Sam ; Carey, Michael ; Wu, Lily. / Cell-specific imaging of reporter gene expression using a two-step transcriptional amplification strategy. Molecular Imaging with Reporter Genes. Cambridge University Press, 2010. pp. 127-148
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