Markedly increased Oct4 and Nanog expression correlates with cisplatin resistance in oral squamous cell carcinoma

doi:10.1111/j.1600-0714.2011.01015.x

中山醫學大學機構典藏 CSMUIR > 口腔醫學院 > 牙醫學系暨碩士班 > 期刊論文 > Item 310902500/17868

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题名:	Markedly increased Oct4 and Nanog expression correlates with cisplatin resistance in oral squamous cell carcinoma
作者:	Tsai, Lo-Lin Yu, Cheng-Chia Chang, Yu-Chao Yu, Chuan-Hang Chou, Ming-Yung
贡献者:	中山醫學大學
日期:	2011-02
上传时间:	2017-06-29T08:44:29Z (UTC)
ISSN:	0904-2512
摘要:	Abstract J Oral Pathol Med (2011) 40: 621–628 Background: Oral squamous cell carcinoma (OSCC) is the sixth most prevalent cancer worldwide. Cancer stem cells (CSC) model theoretically contribute to tumor growth, metastasis, and chemo-radioresistance. Cisplatin is a widely used chemotherapeutic agent for OSCC treatment. The aim of this study was to compare stemness genes expression in chemo-sensitive and chemo-resistant specimens and further explore the potential markers that may lead to induce chemo-resistance in OSCC. Methods: The study method is the treatment of OC2 cells with cisplatin select cisplatin-resistant OC2 cells. Self-renewal ability was evaluated by cultivating parental and cisplatin-resistant OC2 cells within sphere-forming assay after serial passages. Differential expression profile of stemness markers between parental and cisplatin-resistant OC2 cells was elucidated. The parental and cisplatin-resistant OC2 cells were assessed for migration/invasion/clonogenicity tumorigenic properties in vitro. Expression of stemness markers in chemo-sensitive and chemo-resistant patients with OSCC was performed by immunohistochemistry staining in vivo. Results: Sphere-forming/self-renewal capability was increased in cisplatin-resistant OC2 cells. Cisplatin-resistant OC2 cells highly expressed the stemness markers (Nanog, Oct4, Bmi1, CD117, CD133, and ABCG2). Furthermore, cisplatin-resistant OC2 cells increased migration/invasion/clonogenicity ability. Notably, up-regulation of Oct4 and Nanog expression was significantly observed in cisplatin-resistant patients with OSCC (**P < 0.01). Conclusions: These data indicate that cancer stem-like properties were expanded during the acquisition of cisplatin resistance in OSCC. Clinically, oral cancer stemness markers (Oct4 and Nanog) overexpression may promote the OSCC’s recurrence to resist cisplatin.
URI:	http://dx.doi.org/10.1111/j.1600-0714.2011.01015.x https://ir.csmu.edu.tw:8080/ir/handle/310902500/17868
關聯:	Journal of Oral Pathology & Medicine Previous article in issue: Rituximab for the treatment of corticosteroid – refractory pemphigus vulgaris with oral and skin manifestations Next article in issue: Aberrant expression of p53, p16INK4a and Ki-67 as basic biomarker for malignant progression of oral leukoplakias View issue TOC Volume 40, Issue 8 September 2011 Pages 621–628
显示于类别:	[牙醫學系暨碩士班] 期刊論文

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