Muraki Yumi, Hasegawa Takumi, Takeda Daisuke, Ueha Takeshi, Iwata Eiji, Saito Izumi, Amano Rika, Sakakibara Akiko, Akashi Masaya, Komori Takahide
Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.
Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
Anticancer Res. 2019 Mar;39(3):1205-1216. doi: 10.21873/anticanres.13231.
BACKGROUND/AIM: We recently investigated the contribution of the iPS-related genes SOX2, OCT4, and Nanog to de-differentiation by assaying for their mRNA levels. Given that mRNA expression does not always correlate with the protein levels, the aim of this study was to retrospectively determine the expression of these four iPS-related factors in human OSCC specimens by immunohistochemistry and examine their association with patient prognosis.
iPS cell-related gene expression in 89 OSCC patients by tissue microarray, and its correlation with clinicopathological factors, differentiation, metastasis, and poor prognoses were investigated.
No evidence of statistically significant relationships was found between the expression of iPS cell-related genes and clinicopathological parameters. However, our data indicated that KLF4 expression was associated with survival, and poor tumor differentiation. In addition, high expression of KLF4 was an independent poor prognostic factor (p=0.004) for OSCC patients.
In preoperative biopsies, higher KLF4 and poor differentiation may be clinically effective predictors for the prognosis of oral cancer.
背景/目的:我们最近通过检测其mRNA水平,研究了诱导多能干细胞(iPS)相关基因SOX2、OCT4和Nanog对去分化的作用。鉴于mRNA表达并不总是与蛋白质水平相关,本研究的目的是通过免疫组织化学回顾性确定这四种iPS相关因子在人口腔鳞状细胞癌(OSCC)标本中的表达,并研究它们与患者预后的关系。
通过组织芯片研究89例OSCC患者中iPS细胞相关基因的表达,并研究其与临床病理因素、分化、转移和不良预后的相关性。
未发现iPS细胞相关基因的表达与临床病理参数之间存在统计学显著关系的证据。然而,我们的数据表明,KLF4表达与生存率及肿瘤低分化相关。此外,KLF4高表达是OSCC患者独立的不良预后因素(p=0.004)。
在术前活检中,较高的KLF4表达和低分化可能是口腔癌预后的有效临床预测指标。