FLVCR2 and Huntington disease: In CIV neurons, we find that, although high repeat mutant Huntingtin (mHTT) expression results in dendritic hypotrophy and a loss of underlying microtubule signals, like that of TORC1 and CCT LOF, we do not find evidence that mHTT disrupts the TORC1–CCT dendritic arborization pathway in HD conditions.