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血管内皮生长因子对大鼠诱导性死性肠球炎的肠道亡的抑制作用
Hee-Beom Yang1,2, Hyun-Young Kim2,3, Soo-Hong Kim4
1Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.
Annals of surgical treatment and research
|September 11, 2023
概括
血管内皮生长因子 (VEGF) 的预处理有效地预防了老鼠模型中的死性肠球炎 (NEC) 和亡. 这项研究强调了VEGF作为一种新的治疗方法,用于预防脆弱婴儿的NEC.
科学领域:
- 新生儿研究新生儿研究
- 胃肠病学 胃肠病学
- 分子生物学分子生物学
背景情况:
- 结核性肠球炎 (NEC) 是一种严重的疾病,导致早产婴儿的死亡.
- 亡途径与NEC的发展有关,并且可以通过血管内皮生长因子 (VEGF) 抑制.
研究的目的:
- 在大鼠模型中研究VEGF对NEC和亡的保护作用.
- 为了确定VEGF的管理是否可以防止NEC的发展.
主要方法:
- 新生小鼠被分为四组:对照组,由脂聚糖/低氧和寒冷压力诱导的NEC,内内VEGF的NEC和口服VEGF的NEC.
- 诱导后72小时,对NEC组织学等级,亡评分和caspase-3活性进行了评估.
- 分析了亡标记物 (Bax,Bcl-2,p53,Fas,FasL) 和炎症基因 (NF-κB,PAF-R) 的基因和蛋白质表达.
主要成果:
- 与仅服用NEC的组相比,VEGF (腹腔内和口服) 的使用显著降低了NEC组织学等级,细胞亡得分和caspase-3活性.
- 随着VEGF治疗,亲细胞亡基因 (Bax,NF-κB,p53,Fas,FasL,PAF-R) 的信使RNA表达和Bax/Bcl-2蛋白比率下降.
- 内VEGF显示出比口服VEGF更明显的亡阻断作用.
结论:
- 在大鼠中,VEGF预处理表明对脂聚糖/缺氧诱导的NEC和相关的亡有预防作用.
- 这项研究确定了由VEGF调节的特定的亡和炎症基因,证实了其保护作用.
- 在临床前模型中,VEGF提供了一种新的治疗策略,用于预防NEC和亡.
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