Identification of hsa-miR-619-5p and hsa-miR-4454 in plasma-derived exosomes as a potential biomarker for lung adenocarcinoma

被引:6
|
作者
Feng, Linxiang [1 ,2 ]
Feng, Zian [1 ,2 ]
Hu, Jie [1 ,2 ]
Gao, Jiahui [1 ,2 ]
Li, Ang [1 ,2 ]
He, Xiaodong [1 ,2 ]
Liu, Liu [1 ,2 ]
Shen, Zuojun [1 ,2 ]
机构
[1] Univ Sci & Technol China, Affiliated Hosp USTC 1, Dept Lab Med, Div Life Sci & Med, Hefei, Anhui, Peoples R China
[2] Natl Clin Res Ctr Lab Med, Core Unit, Hefei, Peoples R China
基金
中国国家自然科学基金;
关键词
lung adenocarcinoma; exosome; miRNA; bioinformatics; qRT-PCR; CANCER; PROGRESSION; MIR-619-5P; ANGIOGENESIS; METASTASIS; PROMOTES; BIOLOGY;
D O I
10.3389/fgene.2023.1138230
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Introduction: Lung cancer has long been at the forefront of all cancers in terms of incidence and mortality. Lung adenocarcinoma is the most common type of lung cancer, accounting for 40% of all lung cancer types. Exosomes can act as biomarkers of tumors and thus play an important role.Methods: In this article, high-throughput sequencing of miRNAs in plasma exosomes from lung adenocarcinoma patients and healthy individuals was performed to obtain 87 upregulated miRNAs, which were then combined with data from the GSE137140 database uploaded by others for screening. The database included 1566 preoperative lung cancer patients, 180 postoperative patients, and 1774 non-cancerous controls. We overlapped the miRNAs upregulated in the serum of lung cancer patients in the database relative to those of non-cancer controls and post-operative patients with the upregulated miRNAs obtained from our next-generation sequencing to obtain nine miRNAs. Two miRNAs that were not reported as tumor markers in lung cancer, hsa-miR-4454 and hsa-miR-619-5p, were selected from them and then validated by qRT-PCR, and further analysis of miRNAs was performed using bioinformatics.Results: Real-time quantitative PCR showed that the expression levels of hsa-miR-4454 and hsa-miR-619-5p in plasma exosomes of patients with lung adenocarcinoma were significantly up-regulated. The AUC values of hsa-miR-619-5p and hsa-miR-4454 were 0.906 and 0.975, respectively, both greater than 0.5, showing good performance. The target genes of miRNAs were screened by bioinformatics methods, and the regulatory network between miRNAs and lncRNAs and mRNAs was studied.Discussion: Our work demonstrated that hsa-miR-4454 and hsa-miR-619-5p have the potential to be used as biomarkers for the early diagnosis of lung adenocarcinoma.
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页数:10
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