GUT: 术前给予5-HT4受体激动剂普卢卡必利可以减少术后肠梗阻的发生

2018-12-02 MedSci MedSci原创

通过刺激迷走神经(VNS)可以抑制手术引起的肠道炎症来预防术后肠梗阻(POI)。因此,研究人员在本篇文章中探究5-HT4受体(5-HT4R)激动剂普卢卡必利是否可以在小鼠和人体中模拟这种作用,减少术后肠梗阻。

背景及目的
通过刺激迷走神经(VNS)可以抑制手术引起的肠道炎症来预防术后肠梗阻(POI)。因此,研究人员在本篇文章中探究5-HT4受体(5-HT4R)激动剂普卢卡必利是否可以在小鼠和人体中模拟这种作用,减少术后肠梗阻。

设计
研究人员在野生型和α7nAChR敲除小鼠的POI模型中,将术前和术后施用普卢卡必利(1-5mg / kg)与术前VNS进行比较。最后,在一项初步研究中,接受Whipple手术的患者术前接受普卢卡必利(n = 10),腹部VNS(n = 10)或假手术/安慰剂(n = 10)治疗,以评估对肠道炎症和临床肠梗阻恢复的影响。

结果
在腹部手术前使用普卢卡必利可以在野生型小鼠中减少肠道炎症并且预防POI,但在α7nAChR敲除小鼠中没有发生这样现象。在人体中,术前施用普卢卡必利,降低了外部肌层中的Il6和Il8表达,并改善了临床肠道恢复。

结论
肠神经元抑制mMφ活化,卢卡必利可以模仿此类效应。术前使用普卢卡必利治疗可防止肠道炎症并缩短小鼠和人类的POI,这表明术前给予5-HT4R激动剂应作为POI治疗一种方法。

原始出处:

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    2019-03-09 echonoir
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