班连子齐金山对热应激 brojlers 的肠道炎症和屏障功能的影响
Bowen Yang1, Yun Gao1, Kailun Xi1
1College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
Poultry science
|January 16, 2024
概括
班梁子金山 (BLZJS) 补充剂通过减少肠道炎症和改善肠道屏障功能,保护肉免受热应激 (HS). 这项研究证明了BLZJS.
科学领域:
- 禽畜科学 禽畜科学 禽畜科学
- 动物营养 动物营养
- 免疫学 免疫学 免疫学
背景情况:
- 热应激 (HS) 是肉生产中的一个重大环境挑战,导致对肠道健康的有害影响,包括炎症和屏障功能障碍.
- 保持肠道完整性对于肉的表现和健康至关重要,尤其是在压力较大的条件下.
研究的目的:
- 为了研究Ban Lian Zi Jin San (BLZJS) 在减轻肠道炎症和增强肠道屏障功能的有效性,在遭受慢性循环热应激的 brojlers.
- 阐明BLZJS的保护作用背后的分子机制,重点关注炎症途径和紧结蛋白表达.
主要方法:
- 建立了一个慢性循环热应激模型,在6周内使用300只肉.
- 肉被随机分配到五个治疗组:对照组,热应激组和三剂BLZJS (0.5%,1%,2%) 热应激组.
主要成果:
- 补充BLZJS显著降低了血清热应激标志物 (HSP70,HSP90) 和增加了抗氧化能力 (SOD,T-AOC).
- BLZJS抑制了热应激标记物,TLR4信号通路基因 (TLR4,MyD88,TRIF,IRAK-4,NF-κB) 和促炎细胞因子 (IL-6,TNF-α) 的表达.
- BLZJS上调抗炎细胞因子 (IL-10) 和肠道紧结基因 (Occludin,Claudin-1,ZO-1),并降低了NF-κB和HSP70蛋白质在阴中的表达.
结论:
- 班连子齐金山有效地保护热应激肉的肠道屏障功能.
- BLZJS通过抑制TLR4信号通路,减少炎症反应并恢复肠道紧接点完整性来实现这种保护.
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