Activity of the dihydropyridine calcium channels following cerebral ischemia.
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Activity of the dihydropyridine calcium channels following cerebral ischemia. / Hogan, M; Gjedde, A; Hakim, A.
In: Arzneimittel-Forschung, Vol. 41, No. 3A, 1991, p. 332-3.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Activity of the dihydropyridine calcium channels following cerebral ischemia.
AU - Hogan, M
AU - Gjedde, A
AU - Hakim, A
PY - 1991
Y1 - 1991
N2 - With an in-vivo autoradiographic method the binding of 3H-nimodipine (CAS 66085-59-4) and cerebral blood flow (14C-iodoantipyrine method) were measured in rat brain after occlusion of the middle cerebral and common carotid arteries. The dependence of the binding to neuronal cellular membranes on the duration of ischemia can be interpreted as indicator of the tissue's functional state or its responsiveness to therapy with calcium entry blockers. In the two analyzed structures, dorsolateral caudate and overlying sensorimotor cortex, the appearance of infarction is preceded by an activation of the nimodipine binding sites followed by persistent decline of the binding intensity. Binding to nimodipine may therefore be a useful marker of ischemic but salvageable brain tissue.
AB - With an in-vivo autoradiographic method the binding of 3H-nimodipine (CAS 66085-59-4) and cerebral blood flow (14C-iodoantipyrine method) were measured in rat brain after occlusion of the middle cerebral and common carotid arteries. The dependence of the binding to neuronal cellular membranes on the duration of ischemia can be interpreted as indicator of the tissue's functional state or its responsiveness to therapy with calcium entry blockers. In the two analyzed structures, dorsolateral caudate and overlying sensorimotor cortex, the appearance of infarction is preceded by an activation of the nimodipine binding sites followed by persistent decline of the binding intensity. Binding to nimodipine may therefore be a useful marker of ischemic but salvageable brain tissue.
M3 - Journal article
C2 - 1650224
VL - 41
SP - 332
EP - 333
JO - Drug Research
JF - Drug Research
SN - 2194-9379
IS - 3A
ER -
ID: 14946159