CXCL8 and type 2 diabetes mellitus: The IL-8 concentration was low in T2DM patients with high Acinetobacter, Microbacterium and Megamonas abundance, but high in T2DM patients with high Pseudomonas and Klebsiella abundance (Fig. S5) (Liu et al., 2017; Ling et al., 2017).