HIF1A and vitiligo: Intriguingly, we found that the CpG sites of HIF-1α-8-40 in 5-azaC-treated-normal CD8+ T cells were hypomethylated compared to untreated-normal CD8+ T cells (0.68% (0.51%-0.83%) vs. 0.87% (0.75%-1.08%), p < 0.01), which is consistent with the results of vitiligo CD8+ T cells.