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Article type: Research Article
Authors: Liang, Hana | Li, Haob | Xia, Nanb | Chen, Jingjingb | Gao, Linlinb | Liu, Haoa | Lyu, Pingb | Guo, Xiaolinb | Yang, Ziweib; *
Affiliations: [a] Clinical Laboratory, The Second Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China | [b] Clinical Laboratory, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
Correspondence: [*] Corresponding author: Ziwei Yang, Clinical Laboratory, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China. E-mail: ziwei_yang89@outlook.com.
Abstract: BACKGROUND: Long noncoding RNAs (lncRNAs) participate in diseases, especially tumorigenesis, including gastric cancer (GC). Although lncRNAs in GC tissues have been extensively studied in previous research, the possible significance of circulating lncRNAs in diagnosing GC is still unknown. OBJECTIVE: The present work investigated lncRNAs ZFPM2-AS1 and XIST with high expression in GC tissues proved as potential plasma biomarkers from 20 early GC cases, 100 GC cases, and 90 normal subjects. METHODS: The possible correlation between ZFPM2-AS1 and XIST expression levels was analyzed with general characteristics and clinicopathological features. The performance in diagnosis was assessed according to receiver operating characteristic (ROC) analysis. RESULTS: According to the results, XIST and ZFPM2-AS1 expression remarkably increased within GC plasma relative to normal subjects (P< 0.01); besides, lncRNA XIST expression after surgery had a tendency of downregulation compared with preoperative levels (P< 0.05). Moreover, the area under ROC curve (AUC) values were 0.62 for ZFPM2-AS1 and 0.68 for XIST, while the pooled AUC value of CA-724 and two lncRNAs was 0.751. CONCLUSION: Circulating lncRNAs ZFPM2-AS1 and XIST can serve as the candidate plasma biomarkers used to diagnose GC.
Keywords: Long noncoding RNA, gastric cancer, ZFPM2-AS1, XIST, diagnosis, plasma, biomarker
DOI: 10.3233/THC-232033
Journal: Technology and Health Care, vol. Pre-press, no. Pre-press, pp. 1-10, 2024
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