Laryngoscope:建立和验证小鼠鼻腔伤口愈合模型

2019-01-25 MedSci MedSci原创

内窥镜鼻窦手术后粘连和骨炎的发展所反映的伤口愈合不良可能引发疾病复发。动物模型提供了对伤口愈合不良的发病机理的见解,并可能有助于开发新的治疗方法。在这里,我们建立了鼻部伤口愈合的小鼠模型,并确认其实用性。在6周龄C57BL / 6小鼠中使用小齿间刷诱导单侧鼻内伤口。将45只小鼠分成三组(每组n = 15):一个对照组和两个实验组(鼻内与腹膜内地塞米松)。在损伤后第2天,第14天和第28天处死小鼠(

内窥镜鼻窦手术后粘连和骨炎的发展所反映的伤口愈合不良可能引发疾病复发。动物模型提供了对伤口愈合不良的发病机理的见解,并可能有助于开发新的治疗方法。在这里,我们建立了鼻部伤口愈合的小鼠模型,并确认其实用性。

在6周龄C57BL / 6小鼠中使用小齿间刷诱导单侧鼻内伤口。将45只小鼠分成三组(每组n = 15):一个对照组和两个实验组(鼻内与腹膜内地塞米松)。在损伤后第2天,第14天和第28天处死小鼠(每个n = 5)。观察鼻部伤口组织病理学的连续变化,并分析组间差异。

结果,在第2天,观察到粘膜脱离,出血和渗出物。在第14天,在隔膜和颌骨腱之间有明显的新骨生成(骨陷,成骨细胞和多核破骨细胞),然后在第28天伤口成熟:较少的空隙和较小的成骨细胞。巨噬细胞仅在第2天明显,并且第28天淋巴细胞占优势。与对照小鼠相比,接受地塞米松的小鼠在第2天的渗出物量和第28天的粘连面积显著减少,在鼻内治疗的小鼠中具有相似的趋势。

总之,我们的鼻伤口愈合的小鼠模型的特征在于骨粘连和新骨生成的发展,而不是软组织粘连。该模型可用于评估新疗法的效果。

原始出处:

Joo YH, Jeon SY, et al., Establishment and verification of a mouse model of nasal wound healing. Laryngoscope. 2019 Jan 23. doi: 10.1002/lary.27821.

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    2019-03-31 feather89
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    2019-01-27 mnda
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    2019-01-25 CHANGE

    梅斯里提供了很多疾病的模型计算公式,赞一个!

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