Cited by 12Advanced Neuroimaging Techniques and ApplicationsAdvanced MRI Techniques and ApplicationsFunctional Brain Connectivity Studies

The DOI matches its Crossref record; 243 of the 244 references it cites were found in a registry or an index.

Diffusion tensor imaging‐based studies at the group‐level applied to animal models of neurodegenerative diseases

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Abstract

Diffusion tensor imaging (DTI), as a technique of diffusion-weighted magnetic resonance imaging (MRI), has substantially contributed to the understanding of human and non-human microstructural brain alterations in the course of neurodegenerative diseases. Given that animal models including disease or knockout models allow for a broad spectrum of experimental manipulations not applicable to humans, the non-invasive DTI approach provides a promising tool for cross-species comparative and longitudinal investigations of the neurobiological targets and mechanisms of neurodegeneration. This overview with a systematic review focuses on the principles of DTI analysis as used in studies at the group level in living preclinical models of neurodegeneration. The translational aspect from in vivo animal models toward clinical applications in humans is covered as well as the DTI-based investigation of the non-human brains´ microstructure, the methodological issues in data postprocessing, and data interpretation at different abstraction levels. The aim of integrating DTI in multiparametric or multimodal imaging protocols will allow the interrogation of DTI data in terms of directional flow of information and may identify the microstructural underpinnings of neurodegeneration-related patterns.

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Registry

Crossref · 10.3389/fnins.2020.00734

Cites

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Figures

Figure 1 (A) Selection diagram depicting the number of studies included for the spectrum of studied neurodegenerative diseases; and (B) PRISMA flowchart.
Figure 1 (A) Selection diagram depicting the number of studies included for the spectrum of studied neurodegenerative diseases; and (B) PRISMA flowchart.CC BY · PubMed Central
Figure 2 Typical equipment for scanning of mouse cohorts. 11.7 T tomograph (Biospec 117/16, Bruker, Ettlingen, Germany), two-element transmit/receive 1H mouse cryogenic surface coil (Cryo-Probe, Bruker BioSpin); the animals are placed in a stereotaxic head support (Bruker Biospin, Ettlingen, Germany) to immobilize the head. Data acquisition is performed under isoflurane anesthesia.
Figure 2 Typical equipment for scanning of mouse cohorts. 11.7 T tomograph (Biospec 117/16, Bruker, Ettlingen, Germany), two-element transmit/receive 1H mouse cryogenic surface coil (Cryo-Probe, Bruker BioSpin); the animals are placed in a stereotaxic head support (Bruker Biospin, Ettlingen, Germany) to immobilize the head. Data acquisition is performed under isoflurane anesthesia.CC BY · PubMed Central
Figure 3 Translational approach. In a different scale, DTI data of man and mice can be analyzed within the same software environment, that is, with the same analysis cascade. Examples for FA maps in coronar, sagittal, and axial orientation (upper panel) and projectional views of FT examples (lower panel) for human (left) and murine (right) group averaged data sets. The cerebellum of the mouse brains has been masked out. CST, corticospinal tracts.
Figure 3 Translational approach. In a different scale, DTI data of man and mice can be analyzed within the same software environment, that is, with the same analysis cascade. Examples for FA maps in coronar, sagittal, and axial orientation (upper panel) and projectional views of FT examples (lower panel) for human (left) and murine (right) group averaged data sets. The cerebellum of the mouse brains has been masked out. CST, corticospinal tracts.CC BY · PubMed Central
Figure 4 Analysis cascade for rodent analysis at the group level. After animal preparation and scanning, quality control could be performed first at the scan console and second during the pre-processing at the analysis console with the option of re-scanning of low-quality data sets. A stereotaxic normalization to atlas coordinates can be refined by the creation of study-specific templates and a subsequent template normalization. Analysis at the group level can be performed by hypothesis-guided ROI analysis or tractwise analysis or by unbiased whole brain-based analysis, each followed by a statistical analysis extracting and representing significant results using a pre-defined significance level.
Figure 4 Analysis cascade for rodent analysis at the group level. After animal preparation and scanning, quality control could be performed first at the scan console and second during the pre-processing at the analysis console with the option of re-scanning of low-quality data sets. A stereotaxic normalization to atlas coordinates can be refined by the creation of study-specific templates and a subsequent template normalization. Analysis at the group level can be performed by hypothesis-guided ROI analysis or tractwise analysis or by unbiased whole brain-based analysis, each followed by a statistical analysis extracting and representing significant results using a pre-defined significance level.CC BY · PubMed Central

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Citations

Cites

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Research works printed but not linked: 3

  1. Maier-Hein, 2017, The challenge of mapping the human connectome based on diffusion tractography, Nat. Commun., 8, 1349, 10.1038/s41467-017-01285-x · DOI
  2. Paxinos, 2007, The mouse brain in stereotaxic coordinates. 3rd Edn.
  3. Paxinos, 2013, The Rat Brain in Stereotaxic Coordinates. 7th Edn

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Metadata

Authors
Müller, H.-P., Roselli, F., Rasche, V., & Kassubek, J.
Affiliations
Universität Ulm (DE)
Corresponding author
Müller, Hans-Peter
Venue
Frontiers in Neuroscience
Published
2020-08-31
Volume
14
Pages
734-734
ISSN
1662-453X (ISSN-L)
OpenAlex
W3081907146
Cited by
12
References
244
Citations by year
2026: 3 · 2024: 2 · 2023: 1 · 2022: 4 · 2021: 2
FWCI
0.26
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • OPen Access Repositorium der Universität Ulm (OPARU) (Ulm University) (submittedVersion, cc-by)
  • DZNE Pub (submittedVersion, other-oa)
  • Universität Ulm, Kommunikations- und Informationszentrum (kiz) (cc-by)
Funders
Deutsche Forschungsgemeinschaft
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
Keywords
diffusion tensor imaging, neurodegenerative diseases, animal models of neurodegeneration, brain microstructure, translational research, knockout models, multimodal imaging, white matter microstructure, cross-species comparison

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