PMID: 8735668May 1, 1996Paper

Microvascular leakage in mouse pial venules induced by bradykinin

Brain Injury : [BI]
T Yong, D S Linthicum

Abstract

The actions of bradykinin on pial venule leaky site formation were measured intra-vitally in two inbred strains of mice (BALB/c and SJL/J). Pial venules were visualized using an open cranial window microscopy technique and the microvascular leaky site formation was assessed visually using a fluorescein-dextran (70 kDa) INDICATOR. The SJL/J strain was found to be very sensitive to bradykinin-induced microvascular leakage. Pial venule leaky site formation was observed after exposure to 10 pM of bradykinin. In contrast, the BALB/c strain was found to be refractory to bradykinin-induced leakage. Pial arterioles were dilated in response to bradykinin in both strains of mice. These results support the concept that genetically controlled differences in vascular sensitivity and localization of inflammatory peptides play important roles in the generation of vasogenic oedema and inflammation in CNS trauma and disease.

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Citations

Feb 22, 2003·Infection and Immunity·Jian Feng GaoCory Teuscher
Apr 9, 2005·Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism·Moritz GrögerNikolaus Plesnila
Apr 21, 2006·Neurochemistry International·Benjamin KläsnerNikolaus Plesnila
Feb 15, 2003·American Journal of Physiology. Heart and Circulatory Physiology·M Ursula NormanMichael J Hickey

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