Fig. 1From: Altered gut microbiota and its association with inflammation in patients with chronic thromboembolic pulmonary hypertension: a single-center observational study in JapanElevated cytokine levels in chronic thromboembolic pulmonary hypertension and the correlation with serum endotoxin levels. Inflammatory cytokines in the serum are measured using Bio-plex cytokine assays (Bio-Rad). a Serum tumor necrosis factor (TNF)-α levels. b Serum interleukin (IL)-6 levels. c Serum IL-8 levels. d Serum macrophage inflammatory protein (MIP)-1α levelsBack to article page