Early immunosuppressive biomarkers could predict bone regeneration after trauma An abnormal suppression of the immune system linked to the onset of numerous diseases has been associated with poor functional regeneration of traumatic bone injuries. Levels of immune cells and proteins circulating in the blood following traumatic injury combined with advanced data analytics could predict whether patients are likely to respond to treatment, said Robert Guldberg, executive director of the Phil and Penny Knight Campus for Accelerating Scientific Impact. The project -- detailed in a paper published online ahead of print in the Proceedings of the National Academy of Sciences -- identified myeloid-derived suppressor cells and the immunosuppressive cytokine IL-10 as the strongest predictors of delayed and less effective bone-healing.