Cytokine stimulation and response for peripheral blood mononuclear cells in MAC-PD patients. Cytokine responses were measured after treating peripheral blood mononuclear cells for 48 h with heat-killed MAC bacilli (a multiplicity of infection [MOI]:100) in MAC-PD and HC. Values for (A) IFN-γ, (B) IL-17, (C) IL-10, and (D) IL-4 are presented as dot plots with crossed lines of mean values and were analyzed using a Student’ t-test. ★indicate statistical significance (p < 0.05). MAC-PD, Mycobacterium avium complex pulmonary disease; MAC, Mycobacterium avium complex; HC, Healthy controls.