一种新型的热应激生物标志物:来自免疫学的见解
Chunmei Ye1, Zhipeng Zhang1,2, Zhangping Yang1,3
1College of Animal Science and Technology, Yangzhou University, Yangzhou, China.
Frontiers in immunology
|March 2, 2026
概括
热应激严重影响奶牛的奶牛.
科学领域:
- 兽医免疫学 兽医免疫学
- 动物生理学 动物生理学
- 适应气候变化 适应气候变化
背景情况:
- 全球变暖加剧了奶牛的热应激.
- 像温度湿度指数 (THI) 这样的传统指标无法捕捉个体生理反应.
- 热应激显著影响牛的免疫功能,新陈代谢状态和肠道健康.
研究的目的:
- 系统地审查乳牛在热应激下免疫系统动态.
- 为早期预警和个性化评估提出与免疫相关的生物标志物.
- 确定提高乳制品行业气候适应能力的战略.
主要方法:
- 对热应激对牛免疫力影响的系统文献综述.
- 分析先天性和适应性免疫反应的变化.
- 识别和评估新的免疫生物标志物.
主要成果:
- 热应激会影响先天性免疫力 (中性粒细胞功能减弱,内毒素转移增加) 和适应性免疫力 (T/B细胞功能受损,疫苗疗效降低).
- 肠道和血液-牛奶屏障的破坏增加了乳腺炎的风险.
- 观察到代谢重编程,肠道失调,氧化应激和HPA轴激活.
- 像HSP,NLR,细胞因子和HP这样的新生物标志物显示出对评估的希望.
结论:
- 与免疫相关的生物标志物为乳牛中热应激的早期检测和管理提供了一种新的策略.
- 这些生物标志物可以帮助开发耐热品种和个性化干预措施.
- 提高免疫弹性对于乳制品行业适应气候变化至关重要.
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