Title
Experimental studies of g-ratio MRI in ex vivo mouse brain.
Abstract
This study aimed to experimentally evaluate a previously proposed MRI method for mapping axonal g-ratio (ratio of axon diameters, measured to the inner and outer boundary of myelin). MRI and electron microscopy were used to study excised and fixed brains of control mice and three mouse models of abnormal white matter. The results showed that g-ratio measured with MRI correlated with histological measures of myelinated axon g-ratio, but with a bias that is likely due to the presence of non-myelinated axons. The results also pointed to cases where the MRI g-ratio model simplifies to be primarily a function of total myelin content.
Year
DOI
Venue
2018
10.1016/j.neuroimage.2017.11.064
NeuroImage
Keywords
Field
DocType
MRI,Myelin,G-ratio,Relaxometry,Diffusion,Microstructure
Ex vivo,White matter,Psychology,Cognitive psychology,Axon,Electron microscope,Nuclear magnetic resonance,Relaxometry,Myelinated axon,Myelin,Magnetic resonance imaging
Journal
Volume
ISSN
Citations 
167
1053-8119
4
PageRank 
References 
Authors
0.38
12
6
Name
Order
Citations
PageRank
West Kathryn L140.38
Nathaniel D. Kelm2512.70
Robert P. Carson3512.70
Alexander Daniel C440.38
Daniel F. Gochberg5362.87
Mark D. Does6986.30