Research Article

Putative Systemic Biomarkers of Biomass Smoke-Induced Chronic Obstructive Pulmonary Disease among Women in a Rural South Indian Population

Figure 4

Protein-protein interaction of chemokines and cytokines exhibiting significantly () altered serum concentrations among (a) tobacco smokers with COPD (TS-COPD) versus biomass exposed subjects with COPD (BMS-COPD). CCL: chemokine (C-C motif) ligand; CX3CL: C-X3-C motif chemokine ligand; CXCL: C-X-C motif chemokine ligand; IFNG: interferon gamma; IL: interleukin; MIF: macrophage migration inhibitory factor; TNF: tumor necrosis factor alpha.