Identification of the Mitophagy-related Diagnostic Biomarkers in Hepatocellular Carcinoma Based on Machine Learning Algorithm and Construction of Prognostic Model

Overview

Journal Front Oncol

Specialty Oncology

Date 2023 Mar 20

PMID 36937391

Authors

Dao-Yuan Tu

Jun Cao

Jie Zhou

Bing-Bing Su

Shun-Yi Wang

Guo-Qing Jiang

Sheng-Jie Jin

Chi Zhang

Rui Peng

Dou-Sheng Bai

Affiliations

Soon will be listed here.

Abstract

Background And Aims: As a result of increasing numbers of studies most recently, mitophagy plays a vital function in the genesis of cancer. However, research on the predictive potential and clinical importance of mitophagy-related genes (MRGs) in hepatocellular carcinoma (HCC) is currently lacking. This study aimed to uncover and analyze the mitophagy-related diagnostic biomarkers in HCC using machine learning (ML), as well as to investigate its biological role, immune infiltration, and clinical significance.

Methods: In our research, by using Least absolute shrinkage and selection operator (LASSO) regression and support vector machine- (SVM-) recursive feature elimination (RFE) algorithm, six mitophagy genes (ATG12, CSNK2B, MTERF3, TOMM20, TOMM22, and TOMM40) were identified from twenty-nine mitophagy genes, next, the algorithm of non-negative matrix factorization (NMF) was used to separate the HCC patients into cluster A and B based on the six mitophagy genes. And there was evidence from multi-analysis that cluster A and B were associated with tumor immune microenvironment (TIME), clinicopathological features, and prognosis. After then, based on the DEGs (differentially expressed genes) between cluster A and cluster B, the prognostic model (riskScore) of mitophagy was constructed, including ten mitophagy-related genes (G6PD, KIF20A, SLC1A5, TPX2, ANXA10, TRNP1, ADH4, CYP2C9, CFHR3, and SPP1).

Results: This study uncovered and analyzed the mitophagy-related diagnostic biomarkers in HCC using machine learning (ML), as well as to investigate its biological role, immune infiltration, and clinical significance. Based on the mitophagy-related diagnostic biomarkers, we constructed a prognostic model(riskScore). Furthermore, we discovered that the riskScore was associated with somatic mutation, TIME, chemotherapy efficacy, TACE and immunotherapy effectiveness in HCC patients.

Conclusion: Mitophagy may play an important role in the development of HCC, and further research on this issue is necessary. Furthermore, the riskScore performed well as a standalone prognostic marker in terms of accuracy and stability. It can provide some guidance for the diagnosis and treatment of HCC patients.

Citing Articles

Machine-Learning-Based Identification of Key Feature RNA-Signature Linked to Diagnosis of Hepatocellular Carcinoma.

Matboli M, Diab G, Saad M, Khaled A, Roushdy M, Ali M J Clin Exp Hepatol. 2024; 14(6):101456.

PMID: 39055616 PMC: 11268357. DOI: 10.1016/j.jceh.2024.101456.

Identification and functional analysis of lactic acid metabolism-related differentially expressed genes in hepatocellular carcinoma.

Li H, Qian F, Bao S Front Genet. 2024; 15:1390882.

PMID: 38689649 PMC: 11058226. DOI: 10.3389/fgene.2024.1390882.

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