Pyroptosis-Related LncRNA Signatures Correlate With Lung Adenocarcinoma Prognosis

Author:

Huang Hua,Shi Zijian,Li Yongwen,Zhu Guangsheng,Chen Chen,Zhang Zihe,Shi Ruifeng,Su Lianchun,Cao Peijun,Pan Zhenhua,Zhang Hongbing,Liu Minghui,Liu Hongyu,Chen Jun

Abstract

BackgroundPyroptosis is a new type of programmed cell death, accompanied by an intense inflammatory response. Previous studies have shown that pyroptosis can modify long-chain non-coding RNA (lncRNA), thereby affecting the occurrence and progression of tumors. However, the underlying role of pyroptosis-related lncRNA in lung adenocarcinoma (LUAD) remains to be elucidated. Therefore, the purpose of our study was to evaluate the prognostic value of pyrolysis-related lncRNA in patients with LUAD.MethodsA total of 454 LUAD samples were downloaded from The Cancer Genome Atlas (TCGA) database. Pearson’s correlation coefficient was used to identify the pyroptosis-related lncRNAs. Unsupervised consensus clustering was used to identify the various LUAD molecular subtypes. A least absolute shrinkage and selection operator (LASSO) analysis was conducted to construct a prognostic signature.ResultsAn 11-lncRNA prognostic signature out of 19 identified pyroptosis-related prognostic lncRNAs was constructed. The patients with LUAD were divided into low-risk and high-risk groups. Patients in the high-risk group had higher score values and mortality. The immune score, stromal score, and estimate score were lower in the high-risk group. The risk score was an independent predictor for OS in multivariate Cox regression analyses (HR > 1, p < 0.01). BTLA, PD-1, PD-L1, CTLA, and CD47 were lower expressed in the high-risk group.ConclusionsOur study identified an 11-pyroptosis-related lncRNA signature. These findings could further clarify the role of pyroptosis in LUAD and guide the prognosis and individualized treatment of patients.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Tianjin City

Publisher

Frontiers Media SA

Subject

Cancer Research,Oncology

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