Cerebral blood flow MRI in mice using the cardiac-spin-labeling technique.
Cerebral blood flow MRI in mice using the cardiac-spin-labeling technique.
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DOI:
10.1002/mrm.21721
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发表时间:
2008-09
影响因子:
3.3
通讯作者:
Duong, Timothy Q.
中科院分区:
文献类型:
--
作者:
Muir, Eric R.;Shen, Qiang;Duong, Timothy Q.
Continuous arterial spin labeling MRI with a separate neck labeling coil provides a highly sensitive method to image cerebral blood flow (CBF). In mice, however, this has not been possible because the proximity of the neck coil to the brain significantly saturates the brain signal. To overcome this limitation, the Cardiac Spin Labeling (CSL) technique is introduced in which the labeling coil is placed at the heart position. To demonstrate its utility, CSL CBF was applied to image quantitative basal CBF and hypercapnia-induced CBF changes. This approach provides a practical means to image CBF with high sensitivity in small animals, compares favorably to existing mouse CBF imaging techniques, and could broaden CBF applications in mice where many brain disease and transgenic models are widely available.
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