Fig. 2

Integrative network analysis of omeprazole-IVDD interactions: A STRING-based protein interaction network of omeprazole targets; B Venn diagram illustrating target gene overlap between omeprazole and IVDD; C Drug-target-disease interaction network mapping omeprazole-IVDD pathological associations; D Top 10 enriched Gene Ontology terms (BP: biological processes; CC: cellular components; MF: molecular functions) for shared targets; E KEGG pathway enrichment analysis of intersecting genes; F Protein–protein interaction (PPI) network highlighting hub genes in omeprazole-induced IVDD