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In vivo bioimaging with tissue-specific transcription factor activated luciferase reporters.

Buckley, SM; Delhove, JM; Perocheau, DP; Karda, R; Rahim, AA; Howe, SJ; Ward, NJ; Birrell, MA; Belvisi, MG; Arbuthnot, P; et al. Buckley, SM; Delhove, JM; Perocheau, DP; Karda, R; Rahim, AA; Howe, SJ; Ward, NJ; Birrell, MA; Belvisi, MG; Arbuthnot, P; Johnson, MR; Waddington, SN; McKay, TR (2015) In vivo bioimaging with tissue-specific transcription factor activated luciferase reporters. Sci Rep, 5. p. 11842. ISSN 2045-2322 https://doi.org/10.1038/srep11842
SGUL Authors: Delhove, Juliette Margaret Kathleen Maria

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Abstract

The application of transcription factor activated luciferase reporter cassettes in vitro is widespread but potential for in vivo application has not yet been realized. Bioluminescence imaging enables non-invasive tracking of gene expression in transfected tissues of living rodents. However the mature immune response limits luciferase expression when delivered in adulthood. We present a novel approach of tissue-targeted delivery of transcription factor activated luciferase reporter lentiviruses to neonatal rodents as an alternative to the existing technology of generating germline transgenic light producing rodents. At this age, neonates acquire immune tolerance to the conditionally responsive luciferase reporter. This simple and transferrable procedure permits surrogate quantitation of transcription factor activity over the lifetime of the animal. We show principal efficacy by temporally quantifying NFκB activity in the brain, liver and lungs of somatotransgenic reporter mice subjected to lipopolysaccharide (LPS)-induced inflammation. This response is ablated in Tlr4(-/-) mice or when co-administered with the anti-inflammatory glucocorticoid analogue dexamethasone. Furthermore, we show the malleability of this technology by quantifying NFκB-mediated luciferase expression in outbred rats. Finally, we use somatotransgenic bioimaging to longitudinally quantify LPS- and ActivinA-induced upregulation of liver specific glucocorticoid receptor and Smad2/3 reporter constructs in somatotransgenic mice, respectively.

Item Type: Article
Additional Information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
SGUL Research Institute / Research Centre: Academic Structure > Molecular and Clinical Sciences Research Institute (MCS)
Academic Structure > Molecular and Clinical Sciences Research Institute (MCS) > Cell Sciences (INCCCS)
Journal or Publication Title: Sci Rep
ISSN: 2045-2322
Language: eng
Dates:
DateEvent
3 July 2015Published
8 June 2015Accepted
Publisher License: Creative Commons: Attribution 4.0
Projects:
Project IDFunderFunder ID
G1000709Medical Research Councilhttp://dx.doi.org/10.13039/501100000265
PubMed ID: 26138224
Web of Science ID: WOS:000357320400002
Go to PubMed abstract
URI: https://openaccess.sgul.ac.uk/id/eprint/107460
Publisher's version: https://doi.org/10.1038/srep11842

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