CXCL8 and type 1 diabetes mellitus: CXCL8 is already expressed in non-stimulated monocytes and its concentration was 276,000 pg/ml (range 78,500–382,000) in controls and 312,250 (82,500–358,000) in monocytes from T1D patients indicating a similar release of this chemokine (p = 0.47) (Figure 2C).