期刊
JOURNAL OF NEUROSCIENCE METHODS
卷 254, 期 -, 页码 80-85出版社
ELSEVIER
DOI: 10.1016/j.jneumeth.2015.07.008
关键词
Middle cerebral artery occlusion; Brain ischemia; Animal model; Cerebrovascular disease; Stroke
Intraluminal monofilament occlusion of the middle cerebral artery (MCAO) in mice is the most used rodent model to study the pathophysiology of stroke. However, this model often shows brain damage in regions not supplied by the MCA such as the hypothalamus, hippocampus and thalamus. Several studies have suggested some explanations on these localized infarcts. We aim to provide an alternative explanation which could allow each experimenter to better grasp the MCAO model. We propose that the MCA occlusion by the monofilament also occludes deep and small cerebral arteries arising directly from the internal carotid artery, proximally to the origin of MCA. Then, drawbacks and pitfalls of the MCAO model must be appreciated and the almost systematic risk of inducing lesions in some unwanted territories for neuroanatomical reasons, i.e. vascular connections between deep arteries and hypothalamic, thalamic and hippocampal areas in rodents has to be integrated. (C) 2015 Elsevier B.V. All rights reserved.
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