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在犬肝细胞癌中识别失调的miRNA转录形状,并与人类HCC进行比较

Saki Hashimoto¹, M D Nazmul Hasan¹, Mohammad Arif¹

¹Joint Graduate School of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan.

Research in veterinary science

|September 28, 2025

概括

这项研究分析了犬肝癌中的微RNA (miRNA),确定了20个上调和9个下调的miRNA. 这些发现为基于miRNA的新型犬类癌症诊断和治疗提供了潜力.

科学领域:

兽医瘤学兽医瘤学
分子生物学分子生物学
基因组学就是基因组学.

背景情况:

肝细胞癌 (HCC) 是狗中普遍存在的肝脏瘤.
微RNA (miRNA) 失调与人类和狗的癌症有关,包括HCC.
全面的miRNA分析对推进HCC诊断和治疗至关重要.

研究的目的:

为了确定犬类HCC.的完整miRNA转录形状.
在狗HCC中识别差异表达的miRNAs (DEmiRNAs).
分析与犬类HCC中DEmiRNAs相关的功能途径.

主要方法:

小RNA下一代测序 (NGS) 在犬类HCC组织和对照中.
定量逆转录PCR (qRT-PCR) 用于DEmiRNA验证.
用于功能丰富的KEGG路径分析和人类miRNA目标数据库.

主要成果:

在狗HCC中确定了20个上调和9个下调的miRNA.
使用qRT-PCR验证了10个DEmiRNA,显示与NGS一致的表达模式.
上调的miRNA与p53和细胞循环途径有关;下调的miRNA涉及癌症和细胞循环途径.

结论:

这项研究提供了对犬类HCC.的全面miRNA概况.
狗HCC中失调的miRNA与DNA修复和分化等关键细胞过程有关.
已识别的miRNA具有开发基于miRNA的犬类HCC诊断和治疗策略的潜力.

关键词:

狗类犬类动物狗类犬类肝细胞癌是肝细胞癌.这是一个微型RNA.这是下一代测序.转录组转录组就是一个转录组.

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相关概念视频

MicroRNAs

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...