No significant difference has been found in the percentage of apoptotic (annexin V-positive) CD4+ (the median value was 7,81 before HD vs 8,33 after HD, Fig. 3C) or CD8+ cells HD (the median value was 8,56 before HD vs 7,65 after HD, Fig. 3D) after HD procedure. Here, CD4 is linked to Huntington disease.