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Updated: Jan 29, 2026

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综合转录组学和向代谢组学方法:对不同出生体重的新生猪小猪中乳房的比较分析
Hyunseo Lee1, Gyuseong Kim1, Wonvin Choi1
1School of Animal Life Convergence Science, Hankyong National University, Anseong 17579, Republic of Korea.
Animals : an open access journal from MDPI
|January 28, 2026
概括
出生体重较高的小猪体现出细胞增殖和大肠中的能量代谢的增强. 这项研究确定了关键的基因和代谢途径,为改善低出生体重小猪的生长提供了目标.
科学领域:
- 动物科学动物科学
- 发展生物学 发展生物学
- 代谢学 代谢学 代谢学
背景情况:
- 出生体重显著影响新生猪小猪的发育和肠道成熟.
- 了解分子和代谢差异对于优化小猪生长和健康至关重要.
研究的目的:
- 为了阐明高 (H) 和低 (L) 出生体重新生猪之间的乳腺发育中的分子和代谢区别.
- 确定潜在的分子标,以提高小猪的肠道发育和生长性能.
主要方法:
- 来自H组 (出生体重的前5%),L组 (出生体重的下5%),小猪 (n=126) 的内皮组织的比较分析.
- 使用RNA测序 (RNA-seq) 的转录组分析和通过气体染色体质谱 (GC-MS) 的有针对性的代谢组分析.
- 使用定量实时PCR (RT-qPCR) 验证选择的差异表达基因 (DEGs).
主要成果:
- 确定了112个DEG;在H组中,RFC3,PCNA,MCM3,AURKA,CCNB2和SI被调高 (p <0.05).
- 升级基因主要涉及DNA复制,细胞分裂和营养吸收途径.
- 在H组中,酸度较高表明能量代谢活性化.
结论:
- 出生体重高的小猪表现出一种基因倾向,导致细胞增殖和大肠中的能量代谢增加.
- 已识别的DEG和代谢途径提供了对叶发育调节的见解.
- 结果表明,在低出生体重小猪中,改善生长和肠道发育的潜在策略.
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