Imaging neuroinflammation /
Imaging Neuroinflammation provides an overview of the molecular and cellular basis of inflammation and its effects on neuroanatomy, reviews state-of-the-art imaging tools available to measure neuroinflammation, and describes the application of those tools to both preclinical animal disease models an...
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| Format: | eBook |
| Language: | English |
| Published: |
Amsterdam, Netherlands :
Academic press,
[2023]
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| Edition: | 1st ed. |
| Series: | Advances in Magnetic Resonance Technology and Applications Series.
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| Subjects: | |
| Online Access: | Connect to the full text of this electronic book |
Table of Contents:
- Intro
- Imaging Neuroinflammation
- Copyright
- Contents
- List of contributors
- Preface
- Part 1: Overview
- Chapter 1: Molecular and tissue basis of neuroinflammation in health and disease
- General introduction
- Peripheral inflammation
- The case of neuroinflammation
- Blood-brain barrier alterations
- Increased blood-brain barrier permeability induced by inflammation
- Pathological substrate
- Introduction to BBB permeability-associated imaging biomarkers
- Entrance of inflammatory cells across the inflamed blood-brain barrier
- Pathological substrate
- Introduction to immune cell infiltration-associated imaging biomarkers
- Edematous component associated with inflammation
- Pathological substrate
- Introduction to edema-associated imaging biomarkers
- Inflammatory activation of microglia and astrocytes
- Pathological substrate
- Introduction to microglia and astrocyte-associated imaging biomarkers
- Inflammatory attack on myelin
- Pathological substrate
- Introduction to myelin-associated imaging biomarkers
- Neuronal injury
- Pathological substrate
- Introduction to neuronal-associated imaging biomarkers
- Iron
- Pathological substrate
- Introduction to iron-associated imaging biomarkers
- Conclusion
- References
- Part 2: Imaging approaches to inflammation
- Chapter 2: Sensitivity and specificity of diffusion MRI to neuroinflammatory processes
- What is diffusion MRI?
- Sensitivity of diffusion MRI to cellular inflammatory processes
- Diffusion tensor imaging (DTI) and diffusion kurtosis imaging (DKI)
- Sensitivity of DTI and DKI to neuroinflammation
- Animal validation studies showing sensitivity of diffusion MRI to neuroinflammation
- Human studies of neuroinflammation using DTI and DKI
- Specificity of diffusion MRI to cellular inflammatory processes.
- Overview of popular diffusion MRI models
- Models applied to animal studies of neuroinflammation
- Models applied to human studies involving neuroinflammation
- Conclusion and outlook
- References
- Chapter 3: Iron imaging in neuroinflammation
- Introduction
- Iron and neuroinflammation
- Imaging iron in neuroinflammation
- Magnitude techniques and relaxation time measurements
- T2
- T2*
- Phase-based iron imaging
- Susceptibility-weighted imaging (SWI)
- Susceptibility-based iron quantification
- Phase processing
- Quantitative susceptibility mapping (QSM)
- Susceptibility source separation
- Miscellaneous considerations
- Iron oxide particles
- Field strength relevance
- Conclusions
- Acknowledgments
- References
- Chapter 4: MRS in neuroinflammation
- Abbreviations
- Introduction
- Brain metabolism accessible with MRS
- Metabolites visible with MRS
- NAA
- Creatine
- Choline
- Myo-inositol
- Lactate
- Glutamate and glutamine
- Glx
- Glutathione
- Gamma-aminobutyric acid
- GABA
- 2-Hydroxyglutarate (2HG)
- Macromolecules and lipids
- Case study of MRS in neuroinflammation: Multiple sclerosis as a primary inflammatory disease
- Multiple sclerosis pathophysiology
- Metabolic changes measured by MRS in MS
- MRS data acquisition
- Basics of MRS data acquisition
- Signal localization
- Water suppression
- T1 nulling
- Chemical shift selective (CHESS) water suppression
- Variable power and optimized relaxations delays (VAPOR)
- Metabolite cycling (MC)
- Acquisition parameters
- Echo time
- Echo digitization
- Repetition time
- Voxel size and scan duration
- Spectral editing
- J-difference editing or editing
- Multinuclear MRS
- 31-Phosphorus
- 13-Carbon
- Diffusion MRS
- MRS data analysis
- Processing steps
- Processing
- Spectral fitting
- Peak modeling
- Linear combination modeling.
- Tissue correction and metabolite quantification
- Water-referenced data
- Metabolite-referenced data
- Issues with metabolite quantification
- Spectral quality assurance and assessment
- Quality assurance during acquisition
- Artifacts
- Quality assessment and rejection thresholds
- Reporting standards and how to read MRS literature
- Summary
- References
- Further reading
- Chapter 5: Magnetization transfer and chemical exchange saturation transfer in neuroinflammation
- Abbreviations
- Introduction
- Central nervous system inflammation
- Magnetization transfer as an umbrella term
- MTC phenomenon and observations
- The MT experiment
- Quantification of the MT effect
- The MTR
- Quantitative MT (qMT)
- Origin of the MT effect
- MT imaging of acute inflammation: Histopathological and clinical validations
- MT imaging of chronic inflammation: Histopathological and clinical validations
- MT applications: Concluding remarks
- Chemical exchange saturation transfer
- Background
- CEST phenomenon and APT CEST
- The CEST experiment
- Quantification of CEST
- Confounds to the asymmetry measurement of the CEST effect
- Summary of confounds
- Model free CEST correction: AREX
- Model-based CEST correction: Lorentzian fitting
- CEST imaging of acute inflammation: Histopathological and clinical validations
- CEST imaging of chronic inflammation: Histopathological and clinical validations
- CEST applications: Concluding remarks
- Unmet needs and application opportunities
- Conclusion
- References
- Chapter 6: Gadolinium-based imaging of the blood brain barrier and brain waste clearance pathways
- Introduction
- Physiology and anatomy of the blood-brain barrier
- Paravascular and perivascular spaces
- Interstitial fluid
- Brain waste clearance pathways
- Glymphatic system.
- Intramural periarterial drainage pathway-IPAD
- Meningeal lymphatics
- Gadolinium-based magnetic resonance imaging of brain waste clearance pathways and blood-brain barrier disruption
- Gadolinium-based contrast agents-Pharmacokinetics
- Gadolinium-based contrast agents-Signal intensity on MRI
- Intravenous injection of GBCA and in vivo MRI-based imaging
- Intrathecal injection of GBCA and in vivo MRI-based imaging
- Gadolinium-based MRI techniques and the disrupted blood-brain barrier
- Pathological conditions and clearance consequences of BBB disruption
- Conclusions
- References
- Chapter 7: Magnetic particle imaging
- In vivo cellular imaging with magnetic resonance imaging
- In vivo cellular imaging with magnetic particle imaging
- Basic principles of MPI
- Nanoparticles for MPI
- Analysis and quantification of MPI data
- MPI of inflammation
- MPI in the brain
- Challenges and limitations of MPI
- Future of MPI cell tracking
- References
- Chapter 8: Positron emission tomography imaging of neuroinflammation
- Abbreviations
- Introduction to neuroinflammation
- Biomarkers of neuroinflammation
- Microglia
- Neuroinflammatory imaging biomarkers present on the microglia
- Translocator protein (TSPO)
- Cannabinoid receptor type 2 (CB2R)
- P2X purinoceptor 7 (P2X7R)
- Colony-stimulating factor 1 receptor (CSF1R)
- Inducible nitric oxide synthase (iNOS)
- Oxidative stress
- Glycogen synthase kinase (GSK-3)
- Inflammatory cytokines
- Cyclooxygenase (COX)
- Infiltration of macrophages, neutrophils, and T-lymphocytes
- Interleukin-2 (IL-2)
- Matrix metalloproteinases 2 (MMP-2)
- Role of astrocytes
- Neuroinflammatory imaging biomarkers present on astrocytes
- Enzymes (MAOs)
- Reversible MAO-A/B binding inhibitor-based tracers
- Irreversible MAO-A/B binding inhibitors-based tracers
- Metabolite trapping approach.
- Other emerging tracers
- Imidazoline-2 receptors (I2IR)
- Adenosine receptors
- Cytosolic phospholipase A2 (cPLA2)
- Conclusion
- Acknowledgment
- References
- Part 3: Animal models
- Chapter 9: The use of animal models of neuroinflammation for imaging studies
- Introduction
- Importance of preclinical models
- Applicability of preclinical models to humans
- Animal models of central nervous system neuroinflammation
- Transgenic mouse models
- Experimental autoimmune encephalomyelitis (EAE)
- Lipopolysaccharide (LPS)
- Cuprizone
- Stroke models
- Autism models
- Hypoxia
- Sex and hormone differences in animal models of CNS inflammation
- Gut microbiome-CNS axis
- Applicability and clinical relevance: Are there bad animal models of disease?
- Developing imaging methods to study CNS inflammation
- Gadolinium as a marker of neuroinflammation
- Inflammatory components for imaging consideration
- Imaging physiological, microstructural, and biochemical changes
- New horizons
- Acknowledgments
- References
- Part 4: Human inflammation-based diseases
- Chapter 10: Stroke
- Introduction
- Stroke pathophysiology
- Neuroinflammation in stroke
- Microglia
- Adhesion molecules and leukocytes
- Inflammation resolution
- The influence of systemic and neuroinflammation on stroke recovery
- Dynamic contrast enhanced imaging
- Diffusion imaging
- Magnetic resonance spectroscopy
- Positron emission tomography
- Superparamagnetic particles of iron oxide enhanced MRI
- Conclusion
- References
- Chapter 11: Central nervous system vasculitis
- Historical diagnostic approach
- Cerebrospinal fluid
- Neuroimaging
- Biopsy
- Vessel wall magnetic resonance imaging (VWMRI)
- Diagnostic features
- Technical considerations and imaging pitfalls
- Differential diagnosis
- Reversible cerebral vasoconstriction syndrome (RCVS).