Human circular RNA hsa_circ_0000231 clinical diagnostic effectiveness as a new tumor marker in gastric cancer

Author:

Fang Ronghua12ORCID,Yuan Wentao12,Mao Chunyan12,Cao Jing3,Chen Hongmei4,Shi Xiuying1,Cong Hui13

Affiliation:

1. Department of Laboratory Medicine Affiliated Hospital of Nantong University Nantong China

2. Department of Clinical Medicine Medical School of Nantong University Nantong China

3. Department of Blood Transfusion Affiliated Hospital of Nantong University Nantong China

4. Vip Ward Affiliated Hospital of Nantong University Nantong China

Abstract

AbstractBackgroundOwing to the subtlety of initial symptoms associated with gastric cancer (GC), the majority of patients are diagnosed at later stages. Given the absence of reliable diagnostic markers, it is imperative to identify novel markers that exhibit high sensitivity and specificity. Circular RNA, a non‐coding RNA, plays an important role in tumorigenesis and development and is well expressed in body fluids.AimsIn this study, we aimed to identify hsa_circ_0000231 as a new biomarker for the diagnosis of GC and to assess its clinical diagnostic value in serum.Methods and ResultsThe stability and correctness of hsa_circ_0000231 was determined by agarose gel electrophoresis, Rnase R assay and Sanger sequencing. Real‐time quantitative polymerase chain reaction (qRT‐PCR) was designed to discover the expression level of hsa_circ_0000231 and whether it has dynamic serum monitoring capability. The correlation between hsa_circ_0000231 and clinicopathological parameters was analyzed by collecting clinical and pathological data from GC patients. In addition, diagnostic efficacy was assessed by constructing receiver operating characteristic curves (ROC). Hsa_circ_0000231 exhibits a stable and consistently expressed structure. In GC serum, cells, and tissues, it demonstrates reduced expression levels. Elevated expression levels observed postoperatively suggest its potential for dynamic monitoring. Additionally its expression level correlates with TNM staging and neuro/vascular differentiation. The area under ROC curve (AUC) for hsa_circ_0000231 is 0.781, indicating its superior diagnostic value compared to CEA, CA19‐9, and CA72‐4. The combination of these four indicators enhances diagnostic accuracy, with an AUC of 0.833.ConclusionsThe stable expression of hsa_circ_0000231 in the serum of gastric cancer patients holds promise as a novel biomarker for both the diagnosis and dynamic monitoring of GC.

Funder

Jiangsu Commission of Health

Publisher

Wiley

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