Norepinephrine potentiates proinflammatory responses of human vaginal epithelial cells.

Norepinephrine potentiates proinflammatory responses of human vaginal epithelial cells.
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DOI:
10.1016/j.jneuroim.2013.03.005
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发表时间:
2013-06-15
影响因子:
3.3
通讯作者:
Brown, David R.
Brown, David R.
中科院分区:
医学4区
文献类型:
--
作者:
Brosnahan, Amanda J.;Vulchanova, Lucy;Witta, Samantha R.;Dai, Yuying;Jones, Bryan J.;Brown, David R.

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The vaginal epithelium provides a barrier to pathogens and recruits immune defenses through the secretion of cytokines and chemokines. Several studies have shown that mucosal sites are innervated by norepinephrine-containing nerve fibers. Here we report that norepinephrine potentiates the proinflammatory response of human vaginal epithelial cells to products produced by Staphylococcus aureus, a pathogen that causes menstrual toxic shock syndrome. The cells exhibit immunoreactivity for catecholamine synthesis enzymes and the norepinephrine transporter. Moreover, the cells secrete norepinephrine and dopamine at low concentrations. These results indicate that norepinephrine may serve as an autocrine modulator of proinflammatory responses in the vaginal epithelium.
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