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在法医应用中,用于区分单胞胎双胞胎的先进分子技术

Hirak Ranjan Dash^1,2

¹School of Forensic Sciences, Centurion University of Technology and Management, Bhubaneswar, Odisha, India. hirakdash@gmail.com.

Genes & genomics

|February 12, 2026

概括

在法医中区分同卵双胞胎仍然具有挑战性. 像下一代测序 (NGS) 和表观遗传分析等先进技术为法医差异化检测微妙的遗传和分子差异提供了有希望的方法.

科学领域:

法医科学法医科学法医科学
遗传学是一个遗传学.
分子生物学分子生物学

背景情况:

鉴别单胞胎 (MZ) 双胞胎在法医科学中是一个重大挑战,尽管DNA分析的进步.
双胞胎MZ几乎具有相同的DNA配置文件,因此需要使用替代方法来识别个体.

研究的目的:

审查和突出技术进步的法医差异化单胞胎 (MZ) 双胞胎.
讨论各种新兴的MZ双胞胎识别技术的优缺点.

主要方法:

下一代测序 (NGS) 用于深度测序和检测罕见的后胚胎突变.
对表观遗传修饰的分析,如DNA甲基化和基因素乙化.
使用MPS技术对稳定的非编码RNA (miRNA,circRNA,tsRNA) 和线粒体DNA (mtDNA) 进行分析.
研究TCRβCDR3等生物标志物,并采用蛋白质组学,代谢组学和微生物组分析.

主要成果:

NGS可以检测罕见的后异位突变,有助于MZ双胞胎分化.
表观遗传变化 (DNA甲基化,基因素乙化) 和非编码RNA的差异表达显示了区分MZ双胞胎的潜力.
mtDNA测序,TCRβCDR3分析,蛋白质组学,代谢组学和微生物组分析为法医差异化提供了额外的途径.

结论:

技术进步提供了新的工具来克服传统DNA分析的局限性,用于MZ双胞胎识别.
多omics方法的组合可能是必要的强大的法医差异化MZ双胞胎.
需要进一步的研究,以建立黄金标准技术,在法医应用中进行MZ双胞胎歧视.

关键词:

通过DNA甲基化.法医DNA的检查结果人类微生物组的人类微生物组双胞胎是单胞胎的双胞胎.没有编码的RNAs.

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