# Predictive Value of miRNAs Markers for Advanced Lung Squamous Cell Carcinoma

**Authors:** Anna WANG, Jingjing CONG, Yingjia WANG, Xin’ge LI, Junjian PI, Kaijing LIU, Hongjie ZHANG, Xiaoyan YAN, Hongmei LI

PMC · DOI: 10.3779/j.issn.1009-3419.2025.102.16 · Chinese Journal of Lung Cancer · 2025-05-20

## TL;DR

This study identifies a set of four miRNAs that can predict the prognosis of advanced lung squamous cell carcinoma patients with high accuracy.

## Contribution

A novel miRNA-based biomarker with strong predictive value for advanced LUSC prognosis is proposed.

## Key findings

- Four miRNAs (miR-377-3p, miR-4779, miR-6803-5p, miR-3960) were selected as a prognostic biomarker for advanced LUSC.
- The combined AUC value of the four miRNAs was 0.865, indicating strong predictive power.
- Target genes of the miRNAs are enriched in cancer-related signaling pathways like MAPK and kinase pathways.

## Abstract

肺癌是全球癌症死亡的主要原因之一，约80%的肺癌属于非小细胞肺癌（non-small cell lung cancer, NSCLC），其中肺鳞癌（lung squamous cell carcinoma, LUSC）在NSCLC中占据重要比例。尽管肿瘤的综合治疗极大提升了患者的总生存期，但晚期LUSC患者的预后较差。急需一种生物标志物来预测晚期LUSC患者的预后，以便通过早期诊断，改善预后。研究发现miRNAs在肺癌组织中差异表达，并作为潜在的致癌或抑癌基因发挥作用，本研究旨在筛选出早期和晚期LUSC差异表达的miRNAs，构建用于预测晚期LUSC患者预后的一组miRNAs标志物。

从癌症基因组图谱（The Cancer Genome Atlas, TCGA）数据库中下载LUSC患者临床信息及miRNAs的相关数据。应用生物信息学方法分析数据，绘制受试者工作特征（receiver operating characteristic, ROC）曲线，利用多种在线分析工具预测靶基因，分析靶基因的潜在生物学机制。

两组间共鉴定出58个差异表达的miRNAs。根据LASSO回归筛选出7个miRNAs拟构建miRNAs标志物，又根据每个miRNAs的ROC曲线下面积（area under the curve, AUC）值，最终选取其中的4个mRNAs（miR-377-3p、miR-4779、miR-6803-5p、miR-3960）作为预测晚期LUSC患者的生物标志物。4个miRNAs联合的AUC值为0.865。富集分析显示这些靶基因富集在癌症通路、促分裂素原活化蛋白激酶（mitogen-activated protein kinase, MAPK）通路、丝氨酸/苏氨酸激酶（serine/threonine kinase, STK）及酪氨酸激酶信号通路等多种通路。

miR-377-3p、miR-4779、miR-6803-5p、miR-3960联合预测晚期LUSC患者预后能力良好，AUC可达0.865。

Clinical characteristics of research samples

## Linked entities

- **Diseases:** lung squamous cell carcinoma (MONDO:0005097), non-small cell lung cancer (MONDO:0005233)

## Full-text entities

- **Genes:** MIR4779 (microRNA 4779) [NCBI Gene 100616159], TXK (TXK tyrosine kinase) [NCBI Gene 7294] {aka BTKL, PSCTK5, PTK4, RLK, TKL}, MIR3960 (microRNA 3960) [NCBI Gene 100616250]
- **Diseases:** LUSC (MESH:D002294), Lung cancer (MESH:D008175), NSCLC (MESH:D002289), Cancer (MESH:D009369)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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## Figures

7 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12171578/full.md

## References

28 references — full list in the complete paper: https://tomesphere.com/paper/PMC12171578/full.md

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Source: https://tomesphere.com/paper/PMC12171578