Journal
CELLS TISSUES ORGANS
Volume 211, Issue 5, Pages 589-600Publisher
KARGER
DOI: 10.1159/000519529
Keywords
Non-small cell lung cancer; lncRNA OSER1-AS1; miR-1298-5p; CHSY3; Clinical diagnosis; Lung squamous cell carcinoma; Lung adenocarcinoma
Funding
- Health Committee Program of Sichuan province
- [20PJ248]
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This study investigated the clinical significance of long non-coding RNA OSER1-AS1 in the peripheral blood of patients with non-small cell lung cancer (NSCLC). The findings revealed that low expression of OSER1-AS1 was associated with tumor metastasis and poor prognosis, and it had a higher diagnostic value for early detection of NSCLC.
Non-small cell lung cancer (NSCLC) is a malignant cancer worldwide. Long non-coding RNAs (lncRNAs) have emerged as key players in the development and progression of NSCLC, and may be potential biomarkers of NSCLC. Here, we investigated the clinical significance of lncRNA oxidative stress responsive serine rich 1 antisense RNA 1 (OSER1-AS1) in peripheral blood of patients with NSCLC. OSER1-AS1 in peripheral blood of patients with lung squamous cell carcinoma (LUSC), lung adenocarcinoma (LUAD), and healthy subjects was detected, and the clinical diagnostic efficacy was analyzed. The correlation between OSER1-AS1 expression and clinicopathological features in patients with LUSC and LUAD was analyzed. The downstream mechanism of OSER1-AS1 was explored. The area under the ROC curve of lncRNA OSER1-AS1 and miR-1298-5p/CHSY3 in LUSC and LUAD was compared using the MedCalc analysis. OSER1-AS1 was low in peripheral blood of patients with LUSC and LUAD. The area under the ROC curve for predicting LUSC was 0.800. The area under the ROC curve for predicting LUAD was 0.728. In LUSC and LUAD, OSER1-AS1 deficiency was associated with tumor node metastasis stage, lymph node metastasis, distal metastasis, and poor prognosis. miR-1298-5p was highly expressed, while chondroitin sulfate synthase 3 (CHSY3) was lowly expressed in patients with LUSC and LUAD. miR-1298-5p had target relations with OSER1-AS1 and CHSY3. lncRNA OSER1-AS1 had a higher diagnostic value in patients with NSCLC than miR-1298-5p and CHSY3. Overall, low expression of OSER1-AS1 in peripheral blood of NSCLC patients has high clinical significance, which provides a certain reference value for NSCLC early diagnosis.
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