Comprehensive analysis of tumor immune infiltration associated with endogenous competitive RNA networks in lung adenocarcinoma

Boyang Wei, Wei Kong, Xiaoyang Mou, Shuaiqun Wang

Research output: Contribution to journalArticle

Abstract

Cancer immunotherapy has achieved unprecedented success in the treatment of cancer. However, different patients have different responses to immunotherapy. More and more studies have shown that tumor immune heterogeneity has an important influence on the prognosis of cancer. Therefore, understanding the clinical impact of tumor immune infiltration and the regulatory mechanism of RNA molecules is crucial for exploring the pathogenesis of lung adenocarcinoma (LUAD) and the development of immunotherapy protocols.The endogenous competitive RNA hypothesis provides new ideas for studying immune heterogeneity. Therefore, by using the method of immune genomics, this article explores the relationship between immune infiltration and prognosis of patients with lung adenocarcinoma, and found that B-cell immune infiltration highly affects the survival of patients. Through differential analysis, differential mRNAs, lncRNAs and miRNAs were extracted, and 318 differentially expressed mRNAs related to B cell immunity were screened by correlation analysis, and prognosis of patients with COX risk regression model was predicted and analyzed. Through multiple database searches, an immune-related ceRNA regulatory network was constructed, containing 3 key mRNAs, 4 miRNAs, and 50 lncRNAs. Three mRNAs and most miRNAs, lncRNAs, are significantly associated with LUAD prognosis. Bioinformatics analysis of the network showed that LINC00337 may up-regulate the expression of PBK and KIF23 through competitive binding of has-mir-373 and has-mir-519d. The competitive binding of has-mir-373 and has-mir-372 can up-regulate the expression of SLC7A11. The interaction between these RNAs may have an important regulatory role in the immune infiltration in lung adenocarcinoma, thereby affecting the patient's prognosis and immunotherapy efficacy.

Original languageEnglish (US)
Pages (from-to)159-170
Number of pages12
JournalPathology Research and Practice
Volume215
Issue number1
DOIs
StatePublished - Jan 1 2019

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Long Noncoding RNA
Immunotherapy
RNA
MicroRNAs
Messenger RNA
Competitive Binding
Neoplasms
B-Lymphocytes
Up-Regulation
Genomics
Computational Biology
Immunity
Adenocarcinoma of lung
Databases
Survival
Therapeutics

Cite this

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abstract = "Cancer immunotherapy has achieved unprecedented success in the treatment of cancer. However, different patients have different responses to immunotherapy. More and more studies have shown that tumor immune heterogeneity has an important influence on the prognosis of cancer. Therefore, understanding the clinical impact of tumor immune infiltration and the regulatory mechanism of RNA molecules is crucial for exploring the pathogenesis of lung adenocarcinoma (LUAD) and the development of immunotherapy protocols.The endogenous competitive RNA hypothesis provides new ideas for studying immune heterogeneity. Therefore, by using the method of immune genomics, this article explores the relationship between immune infiltration and prognosis of patients with lung adenocarcinoma, and found that B-cell immune infiltration highly affects the survival of patients. Through differential analysis, differential mRNAs, lncRNAs and miRNAs were extracted, and 318 differentially expressed mRNAs related to B cell immunity were screened by correlation analysis, and prognosis of patients with COX risk regression model was predicted and analyzed. Through multiple database searches, an immune-related ceRNA regulatory network was constructed, containing 3 key mRNAs, 4 miRNAs, and 50 lncRNAs. Three mRNAs and most miRNAs, lncRNAs, are significantly associated with LUAD prognosis. Bioinformatics analysis of the network showed that LINC00337 may up-regulate the expression of PBK and KIF23 through competitive binding of has-mir-373 and has-mir-519d. The competitive binding of has-mir-373 and has-mir-372 can up-regulate the expression of SLC7A11. The interaction between these RNAs may have an important regulatory role in the immune infiltration in lung adenocarcinoma, thereby affecting the patient's prognosis and immunotherapy efficacy.",
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Comprehensive analysis of tumor immune infiltration associated with endogenous competitive RNA networks in lung adenocarcinoma. / Wei, Boyang; Kong, Wei; Mou, Xiaoyang; Wang, Shuaiqun.

In: Pathology Research and Practice, Vol. 215, No. 1, 01.01.2019, p. 159-170.

Research output: Contribution to journalArticle

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