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Medicine
分散(Ex Vivo)的毛骨球模型,去除了除位肌肉,用于在膀胱填充期间直接进入苏布罗氦
分散(Ex Vivo)的毛骨球模型,去除了除位肌肉,用于在膀胱填充期间直接进入苏布罗氦
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JoVE Journal Medicine
A Decentralized (Ex Vivo) Murine Bladder Model with the Detrusor Muscle Removed for Direct Access to the Suburothelium during Bladder Filling

分散(Ex Vivo)的毛骨球模型,去除了除位肌肉,用于在膀胱填充期间直接进入苏布罗氦

Full Text
7,667 Views
06:36 min
November 28, 2019

DOI: 10.3791/60344-v

Leonie Durnin1,2, Robert D. Corrigan1, Kenton M. Sanders1, Violeta N. Mutafova-Yambolieva1

1Department of Physiology and Cell Biology,University of Nevada Reno School of Medicine, 2Charles River Laboratories Inc.

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无分泌物的膀胱模型允许直接进入亚尿层,以研究在尿液储存和排空期间调节亚尿层/拉米纳尿体中生物活性介质可用性的本地机制。制备与填充完整膀胱非常相似,允许在无系统影响的情况下进行压力体积研究。

我们的膀胱模型与去除的松弛肌肉是一种新的实验方法,同时研究在膀胱填充期间在拉米亚丙体和膀胱流明的尿皮中介的可用性。此模型可以提供新的见解,了解在填充过程中调节膀胱兴奋性尿素、亚尿素和德特鲁索肌肉之间的信号机制。首先将完整的穆林膀胱标本放入含有10摄氏度含氧KBS的解剖显微镜下解剖盘中,并清理膀胱周围的结缔和脂肪组织。

将隔离膀胱圆顶的一小部分固定到远离肌部肌肉最内侧边缘的分离膀胱,以制成充满KBS的带状解剖盘,并固定尿管和膀胱颈部,以显示完整的膀胱制剂。使用细尖钳子,轻轻拉一块在尿尿道和膀胱体之间的角落的血清,并调整显微镜的光线,以提高透明度,并区分尿道肌肉下方的亚木科萨边缘。为了避免穿孔的制备壁,一定要切断德特鲁索肌肉只,而膀胱粘膜的横向边缘是清晰可见的。

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