Integrating machine learning and molecular docking to decipher the molecular network of aflatoxin B1-induced

Junjie Gao1, Meijun Zhang2, Qun Chen2

  • 1Department of Clinical Laboratory, The Second Affiliated Hospital of Wannan Medical College, Wuhu, China.

Abstract

Insights

Aflatoxin B1 (AFB1) drives liver cancer (HCC) by targeting specific genes. Machine learning identified six key genes, with molecular docking confirming AFB1

Area of Science:

  • Hepatocellular carcinoma (HCC) research
  • Toxicology
  • Bioinformatics

Background:

  • Hepatocellular carcinoma (HCC) is a major global health concern.
  • Aflatoxin B1 (AFB1) is a potent hepatotoxin and a known carcinogen linked to HCC development.
  • Understanding the molecular mechanisms of AFB1-induced HCC is crucial for prevention and treatment strategies.

Purpose of the Study:

  • To elucidate the molecular mechanisms of hepatocellular carcinoma (HCC) induced by Aflatoxin B1 (AFB1).
  • To identify key genes and pathways involved in AFB1-mediated hepatocarcinogenesis.
  • To explore the binding interactions between AFB1 and its molecular targets.

Main Methods:

  • Differential gene expression analysis across multiple datasets.
  • Application of machine learning algorithms for target gene identification.
  • Network toxicology and molecular docking for assessing AFB1-protein interactions.

Main Results:

  • Identification of 48 potential target genes for AFB1-induced HCC.
  • Prioritization of six core regulatory genes (RND3, PCK1, AURKA, BCAT2, UCK2, CCNB1) using machine learning.
  • Confirmation of significant differential expression for these six genes and strong binding affinity of AFB1 to key targets via molecular docking.

Conclusions:

  • AFB1 promotes HCC pathogenesis through the modulation of specific genes and signaling pathways.
  • Six core genes identified by machine learning are critical regulators in AFB1-induced hepatocarcinogenesis.
  • Molecular docking validates the high binding affinity of AFB1 to its targets, providing mechanistic insights.

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