血清蛋白质基因分析确定了ACSL4和S100A2作为猫病毒感染中的新生物标志物
Chunmei Xu1, Hao Liu1, Haotian Gu1
1Key Laboratory of Animal Biosafety Risk Prevention and Control (North) & Key Laboratory of Veterinary Biological Products and Chemical Drugs of MARA, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
International journal of molecular sciences
|January 28, 2026
概括
猫病毒 (FCV) 导致各种猫类疾病. 蛋白质组分析确定了ACSL4和S100A2作为监测FCV感染和疾病进展的潜在生物标志物.
科学领域:
- 兽医病毒学 兽医病毒学
- 分子生物学分子生物学
- 蛋白质组学是指蛋白质组学.
背景情况:
- 猫病毒 (Feline calicivirus,FCV) 是一种高度可变的RNA病毒,是家猫特有的病毒.
- FCV感染具有广泛的临床谱,从无症状病例到严重疾病.
- 基因组分析证实了中国的FCV流行程度广泛.
研究的目的:
- 为了研究感染FCV的猫的蛋白质变化.
- 为了确定FCV感染和疾病严重程度的潜在蛋白质生物标志物.
- 探索受FCV感染影响的功能途径.
主要方法:
- 用FCV分离物对CRFK细胞进行体外感染.
- 血清蛋白质组分析以确定差异表达的蛋白质.
- 对已识别的蛋白质进行功能丰富分析.
- 使用西欧斑点的候选生物标志物的验证 (ACSL4,S100A2).
主要成果:
- FCV感染在CRFK细胞中诱导了显著的细胞毒性作用.
- 蛋白质组分析显示,在FCV感染后,血清蛋白质概况发生了重大变化.
- 在两个FCV菌株之间观察到215种蛋白质的共享差异表达.
- 丰富的途径包括TNF信号传递和铁亡.
- ACSL4的上调与肺损伤相关;S100A2的下调与口腔疾病的预后不佳有关.
- 西方斑块实验证实了ACSL4和S100A2的差异表达.
结论:
- ACSL4和S100A2是FCV感染的潜在候选生物标志物.
- 这些生物标志物可能有助于监测疾病进展和预后.
- 这些发现为开发新型FCV诊断和预后工具提供了基础.
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