HOXD12定义了一种与年龄相关的侵袭性小腺瘤亚型
Nicholas Nuechterlein1, Sadie Cimino2, Allison Shelbourn1
1Neuropathology Unit, Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Building 10/3D17, Bethesda, MD, 20892, USA.
Acta neuropathologica
|September 11, 2024
概括
较年长的Oligodendroglioma患者的年龄与较差的结果有关. 高水平的HOXD12表达和基因体高甲基化与老年和侵袭性瘤亚型相关,表明潜在的治疗点.
科学领域:
- 神经瘤学神经瘤学
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 寡头质瘤的结局有很大差异,受患者年龄的影响.
- 瘤年龄分布是非高斯的,可能是双模的,这表明与年龄有关的分子驱动因素.
- 调查与年龄相关的变化对于理解小腺瘤进展至关重要.
研究的目的:
- 为了确定与患者年龄相关的分子变化,在Oligodendroglioma.
- 调查HOXD12表达和甲基化的预后意义.
- 探索HOXD12在侵袭性小腺瘤亚型中的功能性作用.
主要方法:
- 对HOXD12表达和甲基化TCGA和CGGA数据集的分析.
- 与患者年龄,生存率和组织病理特征的相关性分析.
- 单核RNA和ATAC测序以评估HOXD12在瘤细胞中的活性.
- 潘霍克斯DNA甲基化分析.
主要成果:
- 在TCGA和CGGA队列中,HOXD12表达升高与年龄较大和生存时间较短相关.
- HOXD12基因体高甲基化与老年,更高的WHO等级和较差的生存率有关.
- 在瘤细胞,特别是循环和OPC类细胞中,HOXD12活性增加,与干状表型相关.
- 确定了与年龄和存活率相关的HOX高特征,与HOXD12甲基化密切相关.
结论:
- HOXD12表达和基因体高甲基化是关键的分子特征,与较老,更具攻击性的寡头质瘤亚型相关.
- 这些发现突出了HOXD12作为潜在的生物标志物和治疗瘤的治疗点.
- 与年龄相关的分子变化,如涉及HOXD12的分子变化,显著影响寡质结质瘤的预后.
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