Clinical characteristics and gene expression levels of the symptomatic HD patients, PreHD carriers and the controls.

HD: Huntington's Disease. SSRI: selective serotonin uptake inhibitor. UHDRS: The Unified Huntington's Disease Rating Scale. Scale ranges (normal to most severe) include motor score (0 to 124), independence score (100 to 10), and functional capacity (13 to 0).‡: P value of ANCOVA with adjustment of age and gender.*: Statistically significant in comparison with controls, Ppost-hoc Bonferroni test;**: Statistically significant in comparison with PreHD and controls respectively, Ppost-hoc Bonferroni test;#: Statistically significant in comparison with HD patients and controls respectively, P