AFB1	aflatoxin b1
DEG	differentially expressed genes
HCC	hepatocellular carcinoma
PPI	protein-protein interaction
GEO	Gene Expression Omnibus
TCGA	The Cancer Genome Atlas
KEGG	Kyoto Encyclopedia of Genes and Genomes
GO-BP	Gene ontology biological process
BUB1B	Mitotic Checkpoint Serine/Threonine Kinase B
RRM2	Ribonucleotide Reductase Regulatory Subunit M2