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Radiology:US分子成像在急性回肠炎抗炎治疗反应监管的价值。

2019-02-24 shaosai MedSci原创

本研究旨在评价是否双向选择素靶向US分子成像能够纵向监管猪模型急性末端回肠炎。

本研究旨在评价是否双向选择素靶向US分子成像能够纵向监管猪模型急性末端回肠炎。

本研究共纳入14头猪模型并化学诱导成急性末端回肠炎并随机分入以下各组:(a)抗炎反应治疗组(n=8,美洛昔康,0.25 mg/kg;强的松,0.5 mg/kg)(b)对照组(n=6,生理盐水)。在经静脉注射临床可转移双P-和E-选择素靶向微泡对比剂(5 × 108/kg)后行US分子成像。在基线及治疗后1、3和6天后进行对3个肠阶段进行成像。在第6天,利用定量免疫荧光染色在体外分析肠阶段选择素表达水平。

结果为,在炎症诱导后,两组在1天后US分子成像信号均升高(P < .001)。在第3天,在治疗组信号降低(P < .001 vs 第1天),而在对照组信号变化并不明显(P = .18 vs 第1天),且对照组信号要高于治疗组(P = .02)。免疫荧光染色显示与对照组相比,治疗组P-和E-选择素表达水平均显着下调(P ≤ .04)。

本研究表明,双选择素靶向US分子成像能够纵向监管大型动物模型急性回肠炎抗炎治疗反应。这有助于临床研发定量、无辐射技术来监管肠病炎性反应。

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    2019-02-26 wwzzly
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    2019-02-26 Tamikia
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    2019-02-24 一天没事干

    很好的学习机会

    0

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