Fluorine‐19 magnetic resonance imaging probe for the detection of tau pathology in female rTg4510 mice

Fluorine‐19 magnetic resonance imaging probe for the detection of tau pathology in female... Aggregation of tau into neurofibrillary tangles (NFTs) is characteristic of tauopathies, including Alzheimer's disease. Recent advances in tau imaging have attracted much attention because of its potential contributions to early diagnosis and monitoring of disease progress. Fluorine‐19 magnetic resonance imaging (19F‐MRI) may be extremely useful for tau imaging once a high‐quality probe has been formulated. In this investigation, a novel fluorine‐19–labeling compound has been developed as a probe for tau imaging using 19F‐MRI. This compound is a buta‐1,3‐diene derivative with a polyethylene glycol side chain bearing a CF3 group and is known as Shiga‐X35. Female rTg4510 mice (a mouse model of tauopathy) and wild‐type mice were intravenously injected with Shiga‐X35, and magnetic resonance imaging of each mouse's head was conducted in a 7.0‐T horizontal‐bore magnetic resonance scanner. The 19F‐MRI in rTg4510 mice showed an intense signal in the forebrain region. Analysis of the signal intensity in the forebrain region revealed a significant accumulation of fluorine‐19 magnetic resonance signal in the rTg4510 mice compared with the wild‐type mice. Histological analysis showed fluorescent signals of Shiga‐X35 binding to the NFTs in the brain sections of rTg4510 mice. Data collected as part of this investigation indicate that 19F‐MRI using Shiga‐X35 could be a promising tool to evaluate tau pathology in the brain. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neuroscience Research Wiley

Fluorine‐19 magnetic resonance imaging probe for the detection of tau pathology in female rTg4510 mice

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Publisher
Wiley
Copyright
© 2018 Wiley Periodicals, Inc.
ISSN
0360-4012
eISSN
1097-4547
D.O.I.
10.1002/jnr.24188
Publisher site
See Article on Publisher Site

Abstract

Aggregation of tau into neurofibrillary tangles (NFTs) is characteristic of tauopathies, including Alzheimer's disease. Recent advances in tau imaging have attracted much attention because of its potential contributions to early diagnosis and monitoring of disease progress. Fluorine‐19 magnetic resonance imaging (19F‐MRI) may be extremely useful for tau imaging once a high‐quality probe has been formulated. In this investigation, a novel fluorine‐19–labeling compound has been developed as a probe for tau imaging using 19F‐MRI. This compound is a buta‐1,3‐diene derivative with a polyethylene glycol side chain bearing a CF3 group and is known as Shiga‐X35. Female rTg4510 mice (a mouse model of tauopathy) and wild‐type mice were intravenously injected with Shiga‐X35, and magnetic resonance imaging of each mouse's head was conducted in a 7.0‐T horizontal‐bore magnetic resonance scanner. The 19F‐MRI in rTg4510 mice showed an intense signal in the forebrain region. Analysis of the signal intensity in the forebrain region revealed a significant accumulation of fluorine‐19 magnetic resonance signal in the rTg4510 mice compared with the wild‐type mice. Histological analysis showed fluorescent signals of Shiga‐X35 binding to the NFTs in the brain sections of rTg4510 mice. Data collected as part of this investigation indicate that 19F‐MRI using Shiga‐X35 could be a promising tool to evaluate tau pathology in the brain.

Journal

Journal of Neuroscience ResearchWiley

Published: Jan 1, 2018

Keywords: ; ; ; ; ; ; ;

References

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