在实验肥胖和吸烟条件下,肺组织的超结构变化
Yuliia Kuzyk1, Olena Mazur, Yuryj Bisyarin
1Department of Pathology and Forensic Medicine, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine; juliakuzyk21@gmail.com.
概括
实验性肥胖在老鼠中引起的肺部超结构变化类似于吸烟所见的. 这些病理性肺部变化在肥胖患者中不论直接暴露于烟草烟雾,都会发生.
科学领域:
- 肺部医学 肺部医学
- 毒理学 毒理学 毒理学
- 细胞生物学 细胞生物学
背景情况:
- 由于脂肪组织的积累和细胞因子的释放导致的肥胖与呼吸系统疾病有关.
- 吸烟是各种肺部疾病的主要危险因素,经常导致扩散性组织变化和肺部体积减少.
研究的目的:
- 在实验性肥胖和吸烟条件下,研究大鼠肺部的超结构变化.
- 为了比较肥胖大鼠的肺组织变化与肥胖和吸烟暴露的结合.
主要方法:
- 120只性成熟的雄性大鼠被分为四组:对照组,只有吸烟的小鼠,只有肥胖的小鼠和肥胖-吸烟组合小鼠.
- 实验性肥胖是通过高脂肪饮食诱导的.
- 吸烟暴露是在室内环境中进行的.
- 对肺组织进行了超结构分析.
主要成果:
- 实验中肥胖的老鼠在肺组织中表现出显著的超结构变化.
- 实验性肥胖和同时接触烟草烟雾的老鼠表现出质量上类似的肺部超结构变化.
- 肺组织超结构的病理变化发生在肥胖组中独立于直接的被动吸烟影响.
结论:
- 实验性肥胖导致肺组织的病态超结构变化.
- 这些由肥胖引起的肺部变化与吸烟者所见的变化相似,不论同时吸烟或不吸烟,都会发生.
- 肥胖本身是一个重要的因素,在超结构层面上导致肺组织损伤.
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