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Published on: June 14, 2016
Identification of muscle necrosis in the mdx mouse model of Duchenne muscular dystrophy using three-dimensional
Blake R Klyen1, Thea Shavlakadze, Hannah G Radley-Crabb
1The University of Western Australia, School of Electrical, Electronic and Computer Engineering, Optical+Biomedical Engineering Laboratory, M018, 35 Stirling Highway, Crawley, Western Australia 6009, Australia. bklyen@ee.uwa.edu.au
Abstract:
Three-dimensional optical coherence tomography (3D-OCT) was used to image the structure and pathology of skeletal muscle tissue from the treadmill-exercised mdx mouse model of human Duchenne muscular dystrophy. Optical coherence tomography (OCT) images of excised muscle samples were compared with co-registered hematoxylin and eosin-stained and Evans blue dye fluorescence histology. We show, for the first time, structural 3D-OCT images of skeletal muscle dystropathology well correlated with co-located histology. OCT could identify morphological features of interest and necrotic lesions within the muscle tissue samples based on intrinsic optical contrast. These findings demonstrate the utility of 3D-OCT for the evaluation of small-animal skeletal muscle morphology and pathology, particularly for studies of mouse models of muscular dystrophy.
