Inducible mutant HTT cell lineR6/2 HTT-fragment Tg micePost-mortem cortical tissue from HD patientsPrimary neurons from Hdh(Q140/140) miceImmortalized striatal knock-in cell carrying 109Q inserted in mouse htt geneAstrocytes from R6/2 HD and YAC128 mice. This evidence concerns the gene HTT and Huntington disease.