The mRNA levels in both HDAC1 and HDAC5 were higher in the AAA group than in the HC group (respectively 2.58 ± 1.66 vs 1.21 ± 0.9, P = 0.034 for HDAC1; 1.35 ± 1.01 vs 0.37 ± 0.11, P = 0.01, for HDAC5). This evidence concerns the gene HDAC5 and triple-A syndrome.