CVR deficits can cause a negative effect on neurovascular coupling leading to blood delivery impairment in activated brain regions. As such, impaired CVR may lead to neural degeneration over a period of time. We measured CBF and CVR using pCASL in Q175 mouse model of Huntington’s disease (11 transgenic and 10 wild-type at 15 month). In order to measure CVR, we measured changes in CBF during a 10% CO2 vascular challenge. The results indicated an overall decreased CVR in transgenic compared to wild-type mice.
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