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EZH2的表达仅限于恶性唾液腺瘤

Dusit Bumalee¹, Prow Janjarussakul², Jintana Pankam³

¹Mahidol University, Faculty of Dentistry, Department of Oral and Maxillofacial Pathology, Bangkok, Thailand.

Journal of applied oral science : revista FOB

|June 11, 2025

概括

在恶性唾液腺瘤 (SGTs) 中,增强肠道同源2 (EZH2) 的增强剂过度表达,但不是良性瘤. 这一发现支持EZH2作为SGT恶性瘤的潜在诊断标记.

科学领域:

表观遗传学在表观遗传学中,表观遗传学是指表观遗传学.
分子生物学分子生物学
在瘤学瘤学.

背景情况:

增强性基因同源2 (EZH2) 是一种参与表观遗传基因沉默的基因甲基转移酶.
过度表达EZH2与瘤进展和各种癌症的不良预后相关.
在唾液腺瘤 (SGTs) 中对EZH2的研究有限.

研究的目的:

为了研究常见的口内SGTs中的EZH2表达.
为了比较形腺瘤 (PA),粘膜腺癌 (MEC) 和腺囊性癌 (ACC) 中的EZH2水平.

主要方法:

分析了48个SGT组织样本 (17个PA,21个MEC,10个ACC).
使用一种EZH2抗体进行免疫组织化学染色.
用染色瘤细胞的百分比量化EZH2表达.

主要成果:

核EZH2表达在恶性SGT中高 (90%的ACC,81%的MEC),但在良性PA中低 (6%).
在良性和恶性SGT之间发现了EZH2表达的显著差异 (p<0.001).
在MEC和ACC之间没有观察到EZH2表达的显著差异 (p=0.457).

结论:

EZH2表达显著区分恶性与良性SGTs.
在SGTs中,EZH2显示出作为恶性瘤的诊断标记物的潜力.

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