对犬肝细胞癌的分子洞察:与人类HCC进行跨物种转录基因比较
Mohammad Arif1,2, Md Nazmul Hasan1, Nobuhiro Nozaki1
1Joint Graduate School of Veterinary Medicine, Kagoshima University, Kagoshima, Japan.
Molecular carcinogenesis
|February 10, 2026
概括
这项研究揭示了狗和人类肝癌 (HCC) 之间的显著分子相似性,确定了共享的基因表达模式和途径. 这些发现表明,犬类HCC可以作为人类疾病研究和治疗开发的有价值的比较模型.
科学领域:
- 比较性瘤学研究
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 狗肝细胞癌 (HCC) 缺乏全面的分子表征.
- 识别诊断和治疗目标对于狗和人类HCC至关重要.
- 了解犬类HCC可能会为人类疾病建模提供见解.
研究的目的:
- 在犬类HCC中识别差异表达基因 (DEGs).
- 为了比较犬类和人类HCC之间的转录基因失调.
- 探索狗HCC作为人类HCC的一个模型的潜力.
主要方法:
- 来自HCC受影响和健康狗的肝脏组织的下一代测序.
- 对已识别的DEG进行RT-qPCR验证.
- 生物信息学分析包括途径丰富,蛋白质-蛋白质相互作用网络和枢纽基因识别.
- 跨物种比较与人类HCC转录组数据.
主要成果:
- 在狗HCC中鉴定了975个DEG (604个上调,371个下调).
- 丰富的途径包括细胞外矩阵-受体相互作用,焦点粘附和PI3K/Akt信号传递.
- 发现了共享的DEGs和保存的途径改变 (代谢,PI3K-Akt,焦点粘附,PPAR信号) 之间的狗和人类HCC.
- 确定了人类HCC中生存率较低的潜在预后因素.
结论:
- 狗HCC表现出与人类HCC显著的分子相似之处.
- 这项研究提供了首次对犬类HCC.的跨物种转录组分析.
- 狗HCC显示承诺作为研究瘤生物学,药物反应和治疗干预措施的比较模型.
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