基于DNA甲基化的线粒体衰老指数在口腔癌的发展和复发中的作用
Srikant Ambatipudi1, Mayuri Inchanalkar2,3, Manoj B Mahimkar2,3
1Achutha Menon Centre for Health Science Studies, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Govt. Medical College Campus, Thiruvananthapuram, Kerala, India.
Oral diseases
|October 17, 2023
概括
由DNA甲基化衍生的线粒体指数显示,口腔状细胞癌 (OSCC) 的衰老增加,并与无复发生存率 (RFS) 相关. 这些指数为口腔组织干细胞分裂分析提供了一个新的研究工具.
科学领域:
- 基因组学就是基因组学.
- 癌症研究 癌症研究
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- DNA甲基化模式可以表明细胞衰老和增殖率.
- 从DNA甲基化中获得的线粒体指数提供了一种新的方法来评估组织衰老.
- 口腔状细胞癌 (OSCC) 的发展和进展是可能受细胞衰老影响的复杂过程.
研究的目的:
- 调查DNA甲基化衍生的线粒体衰老指数与口腔状细胞癌 (OSCC) 的发展之间的关联.
- 确定这些线粒体衰老指数是否与OSCC患者的无复发生存期 (RFS) 相相关.
主要方法:
- 来自非恶性,前恶性和OSCC组织的DNA甲基化数据被用于通过"MitoticAge"和"epiTOC2"算法计算线粒体指数 (MitoticAge,TNSC,hypoSC).
- 使用了发现和验证数据集,包括口腔组织和TCGA-HNSCC数据.
- 统计分析评估了组织类型之间线粒体指数的差异及其与OSCC中RFS的关联.
主要成果:
- 在发现和验证组中,与非恶性和前恶性组织相比,OSCC组织中观察到线粒衰老的增加.
- 人类乳头瘤病毒 (HPV) 阳性头角状细胞癌 (HNSCCs) 呈现较高的TNSC线粒体指数.
- 低SC线性年龄指数与OSCC患者的RFS显著相关 (p=0.011,HR 2.61).
结论:
- 由DNA甲基化衍生的线粒体指数与OSCC的发展和患者无复发生存率显著相关.
- 这些指数代表了一种有前途的研究工具,用于量化癌症和非癌症口腔组织的干细胞分裂.
- 需要进一步的研究来探索线粒体指数在预测OSCC的结果中的临床实用性.
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