Differentially expressed proteins in HI, DEW and SP annotated by GO enrichment analysis. (A) GO enrichment of biological process classification of proteins upregulated in DEW and SP; (B) cellular component classification of proteins upregulated in DEW and SP; (C) molecular function classification of proteins upregulated in DEW and SP; (D) biological process classification of proteins upregulated in HI; (E) cellular component classification of proteins upregulated in HI; (F) molecular function classification of proteins upregulated in HI. HI, healthy individual; DEW, dust-exposed workers without silicosis; SP, silicosis patient; GO, gene ontology.