OLIG2 and diabetes mellitus: EVA1C is a Slit receptor involved in Robo-mediated axonal guidance [10], OLIG2 regulates spinal cord oligodendrocyte and motor neuron development [11], IFNAR1 is an interferon receptor with no role in the initiation or progression of diabetes [12] and RUNX1 is involved in haematopoiesis [13].