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对猪VML模型进行长期纵向研究.

Francesca De Paolis1,2, Stefano Testa3, Gabriele Guarnaccia1

  • 1Department of Biology, University of Rome "Tor Vergata", Rome, 00133, Italy.

Biology direct
|July 30, 2023
PubMed
概括
此摘要是机器生成的。

猪体积肌肉损失 (VML) 显示肌肉再生不良和显著的痕组织形成. 这种猪模型模仿了人类的VML,有助于研究大型肌肉缺陷的新组织工程疗法.

关键词:
炎症 炎症是一种炎症.痕组织 痕组织骨架肌肉是一个骨肌肉.血管化 血管化大量的肌肉损失.

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科学领域:

  • 再生医学是一种再生医学.
  • 骨肌肉生物学 骨肌肉生物学
  • 生物材料科学 生物材料科学

背景情况:

  • 体积肌肉损失 (VML) 阻碍了骨肌肉的再生,因为它的尺寸有限.
  • 目前对VML的手术治疗方法不足,特别是对于军人来说.
  • 组织工程显示VML的承诺,但需要更大的动物模型用于人类翻译.

研究的目的:

  • 为了验证一个猪模型用于体积肌肉损失 (VML) 研究.
  • 评估大型动物模型是否适合研究VML和组织工程策略.
  • 调查猪手术创建的VML缺陷中的再生能力和组织反应.

主要方法:

  • 在猪 (Sus scrofa domesticus) 中手术切除腹肌肌肉.
  • 伤害后长达六个月的痕组织的形态学,超声波,组织学和光分析.
  • 评估组织再生,巨细胞透和血管化.

主要成果:

  • 猪在VML后表现出较差的肌肉再生.
  • 观察到纤维性痕组织的显著形成.
  • 稳定,结构化和血管化的颗粒组织形成,类似于人类的VML反应.

结论:

  • 猪模型有效地复制了VML诱导的纤维性痕和有限的再生.
  • 该模型适用于用于大肌肉缺陷的组织工程疗法的临床前评估.
  • 这些发现支持使用这种猪模型来开发类似于人类的VML治疗方法.