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Mutations in the catalytic domain of NTE ( PNPLA6 ) are associated with a slowly developing disease akin to OP neuropathy and hereditary spastic paraplegia called NTE - related motor neuron disorder ( NTE - MND ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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