Five miRNAs as Novel Diagnostic Biomarker Candidates for Primary Nasopharyngeal Carcinoma

Tang, Jin-Feng; Yu, Zhong-Hua; Liu, Tie; Lin, Zi-Ying; Wang, Ya-Hong; Yang, La-Wei; He, Hui-Juan; Cao, Jun; Huang, Hai-Li; Liu, Gang

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자료유형: 학술저널

저자정보: Tang, Jin-Feng (Clinical Research Center, Guangdong Medical College) Yu, Zhong-Hua (Department of Oncology, Affiliated Hospital of Guangdong Medical College) Liu, Tie (Department of Hematology, the Second Affiliated Hospital, Medical School of Xi'an Jiaotong University) Lin, Zi-Ying (Clinical Research Center, Guangdong Medical College) Wang, Ya-Hong (Clinical Research Center, Guangdong Medical College) Yang, La-Wei (Clinical Research Center, Guangdong Medical College) He, Hui-Juan (Clinical Research Center, Guangdong Medical College) Cao, Jun (Department of Pathology, Affiliated Hospital of Guangdong Medical College) Huang, Hai-Li (Clinical Research Center, Guangdong Medical College) Liu, Gang (Clinical Research Center, Guangdong Medical College)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제18호

발행연도: 2014.1

수록면: 7,575 - 7,581 (7page)

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MicroRNAs (miRNAs) play an essential role in the development and progression of nasopharyngeal carcinomas (NPC). Despite advances in the field of cancer molecular biology and biomarker discovery, the development of clinically validated biomarkers for primary NPC has remained elusive. In this study, we investigated the expression and clinical significance of miRNAs as novel primary NPC diagnostic biomarkers. We used an array containing 2, 500 miRNAs to identify 22 significant miRNAs, and these candidate miRNAs were validated using 67 fresh NPC and 25 normal control tissues via quantitative real-time PCR (qRT-PCR). Expression and correlation analyses were performed with various statistical approaches, in addition to logistic regression and receiver operating characteristic curve analyses to evaluate diagnostic efficacy. qRT-PCR revealed five differentially expressed miRNAs (miR-93-5p, miR-135b-5p, miR-205-5p and miR-183-5p) in NPC tissue samples relative to control samples (p<0.05), with miR-135b-5p and miR-205-5p being of significant diagnostic value (p<0.01). Moreover, comparison of NPC patient clinicopathologic data revealed a negative correlation between miR-93-5p and miR-183-5p expression levels and lymph node status (p<0.05). These findings display an altered expression of many miRNAs in NPC tissues, thus providing information pertinent to pathophysiological and diagnostic research. Ultimately, miR-135b-5p and miR-205-5p may be implicated as novel NPC candidate biomarkers, while miR-93-5p, miR-650 and miR-183-5p may find application as relevant clinical pathology and diagnostic candidate biomarkers.

#miRNAs #nasopharyngeal carcinomas #qRT-PCR #biomarkers

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