However, what seems to be conclusive from our results is that KTR with an ELTGF has a similar frequency of IL-10-secreting Bregs and CD8+/CD28−/Foxp3+ Tregs compared to HD, whereas IDO-expressing DCs and CD4+/CD25hi/Foxp3+ Tregs have higher percentages compared to HD. Here, IDO1 is linked to Huntington disease.