Title : The vasopressin receptor of the blood-brain barrier in the rat hippocampus is linked to calcium signalling.

Pub. Date : 1991 Oct 28

PMID : 1838582






5 Functional Relationships(s)
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1 The vasopressin receptor of the blood-brain barrier in the rat hippocampus is linked to calcium signalling. Calcium arginine vasopressin Rattus norvegicus
2 We determined the effect of arginine vasopressin (AVP) on the intracellular free calcium concentration [Ca2+]i in endothelial cells of isolated hippocampal microvessels of rats, using the fura-2 fluorescence technique. Calcium arginine vasopressin Rattus norvegicus
3 AVP administration caused a rapid and transient rise of cytosolic free calcium which was absent after extracellular calcium was removed, and could be blocked with the vasopressin V1 receptor antagonist, d(CH2)5 Tyr(Me)AVP. Calcium arginine vasopressin Rattus norvegicus
4 AVP administration caused a rapid and transient rise of cytosolic free calcium which was absent after extracellular calcium was removed, and could be blocked with the vasopressin V1 receptor antagonist, d(CH2)5 Tyr(Me)AVP. Calcium arginine vasopressin Rattus norvegicus
5 Our results, therefore, demonstrate the presence of a calcium-signalling, i.e. V1 vasopressin receptor at the blood-brain barrier in the hippocampus of the rat. Calcium arginine vasopressin Rattus norvegicus