CCL2 and type 1 diabetes mellitus: For IL-6-, CCL-2-, and IL23A gene expression this was also found for APS-2 T1D/AIT patients [T1D/AIT: IL-6IL1β vs IL1β/1,25(OH)2D3 p = 6x10-5, CCL-2IL1β vs IL1β/1,25(OH)2D3 p = 10-4, IL23AIL1β vs IL1β/1,25(OH)2D3 p = 6x10-5].