TJP1 and myalgic encephalomeyelitis/chronic fatigue syndrome: As shown in Figure 1, plasma levels of intestinal barrier function biomarkers and inflammation were as follows: IgG anti-β-LGB antibodies (A), ZO-1 (B), LPS (C), sCD14 (D), and IL-1β (E) in individuals with FM, ME/CFS, and healthy controls.