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使用糖代氧基酸盐来开发一种类似婴儿的临时肠道屏障模型,试验室内.

Francesca Bietto1,2, Elena Arranz3,4, Beatriz Miralles4

  • 1Teagasc Food Research Centre, Moorepark, Cork, Ireland.

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概括

糖解酸盐 (GDC) 创造了一个可逆的,非炎症的婴儿肠道模型. 这个模型有助于研究营养吸收和婴儿肠道生理学,显示在配方消化后氨基酸运输增加.

关键词:
在Caco-2/HT29-MTXX中使用.在这里,Teer Teer.试管婴儿肠道屏障 在试管婴儿肠道屏障婴儿奶粉配方 digesta 的婴儿奶粉配方肠道的通透性 肠道的通透性糖代谢氧化酸盐是什么紧密的结节 紧密的结节

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科学领域:

  • 胃肠病学 胃肠病学
  • 儿科生理学 儿科生理学
  • 在体外建模模型.

背景情况:

  • 新生儿肠道屏障的特点是透性,但没有炎症.
  • 了解这种独特的生理状态对于准确的婴儿肠道建模至关重要.

研究的目的:

  • 开发一个模拟婴儿肠道屏障的体外模型.
  • 为了研究糖代氧化 (GDC) 对肠道屏障特性的影响.

主要方法:

  • 卡科-2/HT29-MTX细胞用不同度的基氧酸盐 (GDC) 进行了治疗.
  • 测量包括跨上皮电阻 (TEER),细胞透性和紧结蛋白表达.
  • 在婴儿配方消化后评估了乳糖运输和氨基酸吸收.

主要成果:

  • GDC治疗降低了TEER和增加了细胞透性,而不会引起炎症或细胞毒性.
  • 一个0.8mM的GDC度显著增加了乳糖的运输和改变了奥克卢丁的表达.
  • GDC可逆调节的屏障功能和从消化的婴儿配方奶粉中增强的氨基酸吸收.

结论:

  • 甘氨酸 (GDC) 为婴儿肠道生理学提供了可控制和可逆的体外模型.
  • 这种模型对于研究生命早期的营养吸收和屏障功能是有价值的.
  • 这些发现表明GDC通过G蛋白合受体作用,调节屏障特性.