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  Optimized dualCEST-MRI for imaging of endogenous bulk mobile proteins in the human brain

Breitling, J., Goerke, S., Zaiss, M., Soehngen, Y., Deshmane, A., Herz, K., et al. (2018). Optimized dualCEST-MRI for imaging of endogenous bulk mobile proteins in the human brain. In 7th International Workshop on Chemical Exchange Saturation Transfer (CEST 2018) (pp. 12).

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-44D4-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-44F2-F
Genre: Meeting Abstract

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Breitling, J, Author
Goerke, S, Author
Zaiss, M1, 2, Author              
Soehngen, Y, Author
Deshmane, A1, 2, Author              
Herz, K1, 2, Author              
Boyd, P, Author
Ladd, ME, Author
Bachert, P, Author
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Recently we demonstrated that a selective detection of endogenous bulk mobile proteins in living tissue can be realized by the novel approach of dual-frequency irradiation CEST (dualCEST)-MRI1 without contamination of saturation transfer effects of metabolites, lipids and semi-solids. For this approach, specificity is achieved by measuring the intramolecular magnetization transfer (i.e. saturation crosstalk T) between CEST signals resonating at two different frequency offsets Δω and Δωc (Fig. 1a). Such a non-invasive imaging technique may be of particular interest for the detection of pathological alterations of protein expression, such as in neurodegenerative diseases or cancer. Until now, application in clinical trials was prevented by the inherently small signal-to-noise ratio (SNR) in comparison to conventional CEST approaches. Here, we present further developments in signal preparation, image acquisition and post-processing techniques enabling dualCEST examinations in a reasonable and clinicallyrelevant time frame.

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 Dates: 2018-11
 Publication Status: Published in print
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Title: 7th International Workshop on Chemical Exchange Saturation Transfer (CEST 2018)
Place of Event: Beijing, China
Start-/End Date: 2018-11-12 - 2018-11-15

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Title: 7th International Workshop on Chemical Exchange Saturation Transfer (CEST 2018)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 12 Identifier: -