International Journal of General Medicine (Nov 2021)

LncRNA ADAMTS9-AS2 is a Prognostic Biomarker and Correlated with Immune Infiltrates in Lung Adenocarcinoma

  • Lin Z,
  • Huang W,
  • Yi Y,
  • Li D,
  • Xie Z,
  • Li Z,
  • Ye M

Journal volume & issue
Vol. Volume 14
pp. 8541 – 8555

Abstract

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Zhichao Lin,1,* Wenhai Huang,1,* Yongsheng Yi,1,* Dongbing Li,2,* Zehua Xie,1 Zumei Li,1 Min Ye1 1Department of Thoracic Surgery, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-sen University, Jiangmen, 529030, Guangdong, People’s Republic of China; 2MyGene Diagnostics Co., Ltd., Guangzhou, 510000, Guangdong, People’s Republic of China*These authors contributed equally to this workCorrespondence: Zhichao Lin; Min YeDepartment of Thoracic Surgery, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-sen University, No. 23 Haibang Street, Beijie, Jiangmen, 529030, Guangdong, People’s Republic of ChinaTel +86-750-3989432Email [email protected]; [email protected]: The role of long noncoding RNA (LncRNA) ADAMTS9 antisense RNA 2 (ADAMTS9-AS2) is unclear in lung adenocarcinoma (LUAD). The aim of this study was to explore the relationship between ADAMTS9-AS2 and LUAD, based on The Cancer Genome Atlas (TCGA) database and bioinformatics analysis.Methods: Various statistical methods, Kaplan–Meier method, Cox regression analysis, GSEA, and immune infiltration analysis were used to evaluate the relationship between clinical features and ADAMTS9-AS2 expression, prognostic factors, and the significant involvement of ADAMTS9-AS2 in function.Results: In LUAD patients, low expression of ADAMTS9-AS2 was associated with N stage (P=0.011), gender (P=0.002), number of packs smoked (P=0.024) and smoker (P< 0.001). Low ADAMTS9-AS2 expression predicted a poorer overall survival (OS) (HR: 0.68; 95% CI: 0.51– 0.91; P=0.01). And ADAMTS9-AS2 expression (HR: 0.626; 95% CI: 0.397– 0.986; P=0.043) was independently correlated with OS in LUAD patients. Unwinding of DNA, extrinsic pathway, polo-like kinase-mediated events, cori cycle, MCM pathway, proteasome pathway, lagging strand synthesis and PCNA-dependent long patch base excision repair were differentially enriched in ADAMTS9-AS2 high expression phenotype. ADAMTS9-AS2 expression was correlated with certain immune infiltrating cells.Conclusion: In LUAD patients, ADAMTS9-AS2 expression was significantly associated with poor survival and immune infiltration. ADAMTS9-AS2 may be a promising biomarker of prognosis and response to immunotherapy for LUAD.Keywords: lung adenocarcinoma, ADAMTS9-AS2 antisense RNA 2, prognosis, immune infiltration, biomarker

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