Altered endothelial function in isolated human myometrial vessels induced by plasma from women with pre-eclampsia is not reproducible in isolated mouse vessels.

Jenny Myers, Rachel Irvine, Joanna Gillham, Maureen Macleod, Gary Mires, Michael Taggart, Philip Baker

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    5 Citations (Scopus)

    Abstract

    In order to facilitate characterization of the circulating factor(s) in pre-eclampsia, the present study aimed to determine whether plasma from women with pre-eclampsia, which induces attenuated endothelial-dependent relaxation in human myometrial arteries, is also capable of inducing altered endothelial function in mouse vessels. Human vessels were isolated from myometrial biopsies taken from women with uncomplicated pregnancies (n=6). Mesenteric and uterine arteries were isolated from male, female, non-pregnant and pregnant C57B mice (n=24). Vessels were studied using a wire myograph and incubated with plasma (2%) from women with pre-eclampsia (n=12) or controls (n=12). Incubation of myometrial vessels from normal pregnant women with plasma from women with pre-eclampsia reduced endothelial-dependent relaxation. This effect was not reproduced in male or female mouse mesenteric or uterine vessels incubated with plasma from women with pre-eclampsia. In conclusion, there are species-specific differences in the actions of the circulating factor(s) on endothelial-dependent relaxation of human and mouse small arteries
    Original languageEnglish
    Pages (from-to)457-462
    Number of pages5
    JournalClinical Science
    Volume108
    Issue number5
    DOIs
    Publication statusPublished - 2005

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