Ischemic and Hemorrhagic disturbance in cerebral circulation alter contractile responses of the rat middle cerebral arteryстатья
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Дата последнего поиска статьи во внешних источниках: 9 апреля 2015 г.
Аннотация:In our study, we examined middle cerebral artery (MCA) contractile responses in two animal models. After hemorrhagic disturbances in rats of Krushinsky–Molodkina strain (KMRs) a decrease in contractile responses to serotonin (5-HT) was observed. During incomplete global cerebral ischemia, MCAs had increased responsiveness to endothelin-1 (ET-1), but reduced responsiveness to serotonin. These findings suggest that cerebral circulation disorders alter cerebrovascular function possibly leading to secondary disturbances in brain circulation.