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Analysis of Ferroptosis-Related LncRNAs Signatures Associated with Tumor Immune Infiltration and Experimental Validation in Clear Cell Renal Cell Carcinoma.

作者信息

Chen Xinyi, Tu Jingyao, Ma Li, Huang Yongbiao, Yang Chunguang, Yuan Xianglin

机构信息

Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China.

Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.

出版信息

Int J Gen Med. 2022 Mar 19;15:3215-3235. doi: 10.2147/IJGM.S354682. eCollection 2022.


DOI:10.2147/IJGM.S354682
PMID:35342303
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8942346/
Abstract

BACKGROUND: Clear cell renal cell carcinoma (ccRCC) is the most aggressive subtype of renal cell carcinoma. Ferroptosis is an iron-dependent programmed cell death. Long non-coding RNAs (lncRNAs) emerge as a critical role in regulating cancer progression. OBJECTIVE: This study aimed to identify molecular regulation of ferroptosis-related lncRNAs (FRLs) in ccRCC. METHODS: The prognostic value of FRLs was investigated in ccRCC samples downloaded from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) dataset. The FRLs were screened out by Pearson correlation test. The 465 FRLs confirmed as potential prognostic factors through univariate Cox regression analysis were entered into Lasso and multivariate Cox regression to build a FRLs prognostic signature. A risk score based on the prognostic model divided ccRCC patients into low- and high-risk groups. A prognostic nomogram, derived from the prognostic signature and integrating clinical characteristics, was constructed. Gene set enrichment analysis (GSEA) revealed the immune- and tumor-associated pathways. Two distinct clusters were identified with different immune signatures through consensus clustering analysis. The prognostic value of some hub FRLs was externally validated via three GEO datasets (GSE46699, GSE53757 and GSE66272) and online databases. Finally, the three FRLs (LINC00460, LINC00941 and LINC02027) were verified through in vitro experiments. RESULTS: The FRLs prognostic signature, including 7 independent prognostic lncRNAs, exhibited good accuracy in predicting overall survival (OS) of ccRCC patients. This signature was correlated with immune infiltration and immune checkpoint blockade (ICB). We correlated two distinct clusters with immune infiltration signature of ccRCC. The worse prognosis of cluster 2 was probably mediated by immune evasion. We also found that the expression levels of LINC00460 and LINC00941 in ccRCC cell lines were higher than those in HK-2 cells, but LINC02027 showed the inverse trend. CONCLUSION: Collectively, our study demonstrated a FRLs prognostic signature which had great clinical value in prognosis assessment.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/81753aceb7fe/IJGM-15-3215-g0013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/45f841055aee/IJGM-15-3215-g0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/0535dcda7be4/IJGM-15-3215-g0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/3a5b518114d0/IJGM-15-3215-g0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/4c29e89a41ed/IJGM-15-3215-g0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/86ff0dcd6808/IJGM-15-3215-g0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/a2d3c495b225/IJGM-15-3215-g0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/9afacfb67d28/IJGM-15-3215-g0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/a7520b7ad7f9/IJGM-15-3215-g0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/bc15e42dabfa/IJGM-15-3215-g0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/92499e1962e8/IJGM-15-3215-g0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/fa9a7fe05d16/IJGM-15-3215-g0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/4cce0d2f5e9e/IJGM-15-3215-g0012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/81753aceb7fe/IJGM-15-3215-g0013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/45f841055aee/IJGM-15-3215-g0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/0535dcda7be4/IJGM-15-3215-g0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/3a5b518114d0/IJGM-15-3215-g0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/4c29e89a41ed/IJGM-15-3215-g0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/86ff0dcd6808/IJGM-15-3215-g0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/a2d3c495b225/IJGM-15-3215-g0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/9afacfb67d28/IJGM-15-3215-g0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/a7520b7ad7f9/IJGM-15-3215-g0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/bc15e42dabfa/IJGM-15-3215-g0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/92499e1962e8/IJGM-15-3215-g0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/fa9a7fe05d16/IJGM-15-3215-g0011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/4cce0d2f5e9e/IJGM-15-3215-g0012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5448/8942346/81753aceb7fe/IJGM-15-3215-g0013.jpg

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引用本文的文献

[1]
Ferroptosis-related lncRNAs as prognostic biomarkers in renal cell carcinoma: a systematic review and meta-analysis.

Front Oncol. 2025-5-23

[2]
Identification of ferroptosis-related gene signatures as a novel prognostic model for clear cell renal cell carcinoma.

Discov Oncol. 2025-4-3

[3]
Integrated bioinformatics and validation reveal SOX12 as potential biomarker in colon adenocarcinoma based on an immune infiltration-related ceRNA network.

J Cancer Res Clin Oncol. 2023-11

[4]
Identification and in vitro and in vivo validation of the key role of GSDME in pyroptosis-related genes signature in hepatocellular carcinoma.

BMC Cancer. 2023-5-6

[5]
A novel oxidative-stress related lncRNA signature predicts the prognosis of clear cell renal cell carcinoma.

Sci Rep. 2023-4-7

[6]
Regulatory roles of ferroptosis-related non-coding RNAs and their research progress in urological malignancies.

Front Genet. 2023-3-2

[7]
Identification and validation of a ferroptosis-related lncRNA signature to robustly predict the prognosis, immune microenvironment, and immunotherapy efficiency in patients with clear cell renal cell carcinoma.

PeerJ. 2022

[8]
Identification and Validation of a Novel Ferroptotic Prognostic Genes-Based Signature of Clear Cell Renal Cell Carcinoma.

Cancers (Basel). 2022-9-27

[9]
MiRNA-148a inhibits cell growth and drug resistance by regulating expression in renal cell carcinoma.

Transl Androl Urol. 2022-7

[10]
Cuproptosis-Associated lncRNA Establishes New Prognostic Profile and Predicts Immunotherapy Response in Clear Cell Renal Cell Carcinoma.

Front Genet. 2022-7-15

本文引用的文献

[1]
Development and validation of ferroptosis-related lncRNAs signature for hepatocellular carcinoma.

PeerJ. 2021-6-11

[2]
HIF-2α activation potentiates oxidative cell death in colorectal cancers by increasing cellular iron.

J Clin Invest. 2021-6-15

[3]
LINC00460 Is a Dual Biomarker That Acts as a Predictor for Increased Prognosis in Basal-Like Breast Cancer and Potentially Regulates Immunogenic and Differentiation-Related Genes.

Front Oncol. 2021-4-12

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J Immunother Cancer. 2020-11

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Artesunate Inhibits Growth of Sunitinib-Resistant Renal Cell Carcinoma Cells through Cell Cycle Arrest and Induction of Ferroptosis.

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