Transgenic mice with human mutant genes causing Parkinson's disease and amyotrophic lateral sclerosis provide common insight into mechanisms of motor neuron selective vulnerability to degeneration.

Abstract excerpt

A variety of gene mutations can cause familial forms of Parkinson's disease (PD) or amyotrophic lateral sclerosis (ALS). Mutations in the synaptic protein alpha-synuclein (alpha-Syn) cause PD. Mutations in the antioxidant enzyme superoxide dismutase-1 (SOD1) cause ALS. The mechanisms of human mutant a-Syn and SOD1 toxicity to neurons are not known. Transgenic (tg) mice expressing human mutant alpha-Syn or SOD1...

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