There is also evidence that in autoptic brain samples from AD, HD, and PD patients [106], altered expression patterns of Heat Shock Protein Family A Member 2 (HSPA2), DNA Heat Shock Protein Member B2 (DNAJB2), Translocase of outer mitochondrial membrane 70A (TOMM70A) can be observed. This evidence concerns the gene HSPA2 and Huntington disease.