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These (11)C(R)-PK11195 PET findings show that the level of microglial activation correlates with Huntington disease (HD) severity. They lend support to the view that microglia contribute to the ongoing neuronal degeneration in HD and indicate that (11)C(R)-PK11195 PET provides a valuable marker when monitoring the efficacy of putative neuroprotecting agents in this relentlessly progressive genetic disorder.
Pavese et al. (Mon,) studied this question.