The Prognosis and Immunotherapy Prediction Model of Ovarian Serous Cystadenocarcinoma Patient was Constructed Based on Cuproptosis-Related LncRNA

The Prognosis and Immunotherapy Prediction Model of Ovarian Serous Cystadenocarcinoma Patient was Constructed Based on Cuproptosis-Related LncRNA

Junliang Guo,^1,2 Muchuan Zhou,^3,4 Jinhong Li,^1,2 Yihong Yang,^1,2 Yang Hu,⁵ Tian Tang^1,2 and Yi Quan^1,2

¹Department of Obstetrics and Gynaecology, Centre for Reproductive Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, Chengdu, Sichuan, China
²Sichuan Provincial Key Laboratory of Development and Related Diseases of Women and Children, Chengdu, Sichuan, China
³Department of Anesthesia, Sichuan Integrative Medicine Hospital, Sichuan Academy of Chinese Medicine Science (SACMS), Chengdu, Sichuan, China
⁴Sichuan Provincial Key Laboratory of Quality of Chinese Medicinal Materials and Research on Innovative Chinese Medicine, Chengdu, Sichuan, China
⁵West China School of Medicine, Sichuan University, Chengdu, Sichuan, China

Cuproptosis can serve as potential prognostic predictors in patients with cancer. However, the role of this relationship in ovarian serous cystadenocarcinoma (OV) remains unclear. 376 OV tumor samples were obtained from the Cancer Genome Atlas (TCGA) database, and long non-coding RNAs (lncRNAs) related to cuproptosis were obtained through correlation analysis. The risk assessment model was further constructed by univariate Cox regression analysis and LASSO Cox regression. Bioinformatics was used to analyze the regulatory effect of relevant risk assessment models on tumor mutational burden (TMB) and immune microenvironment. We obtained 5 lncRNAs (AC025287.2, AC092718.4, AC112721.2, LINC00996, and LINC01639) and incorporated them into the Cox proportional hazards model. Kaplan-Meier (KM) curve analysis of the prognosis found that the high-risk group was associated with a poorer prognosis. The receiver operating characteristic (ROC) curve showed stronger predictive power compared to other clinicopathological features. Immune infiltration analysis showed that high-risk scores were inversely correlated with CD8+ T cells, CD4+ T cells, macrophages, NK cells, and B cells. Functional enrichment analysis found that they may act via the extracellular matrix (ECM)-interacting proteins and other pathways. We successfully constructed a reliable cuproptosis-related lncRNA model for the prognosis of OV.

Key words —— cuproptosis; immunotherapy; lncRNA; ovarian serous cystadenocarcinoma; prognosis

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Tohoku J. Exp. Med., 2024 February, 262(2), 63-74.

Correspondence: Tian Tang, Department of Obstetrics and Gynaecology, Centre for Reproductive Medicine, West China Second University Hospital, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, No. 20, Section 3 of Renmin South Road, Chengdu, Sichuan 610041, China. Sichuan Provincial Key Laboratory of Development and Related Diseases of Women and Children, No. 20, Section 3 of Renmin South Road, Chengdu, Sichuan 610041, China.

e-mail: tiantangsisley@163.com