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Alpha - lipoic acid exerts neuroprotective effects against chemotherapy induced neurotoxicity in sensory neurons : it rescues the mitochondrial toxicity and induces the expression of frataxin , an essential mitochondrial protein with anti - oxidant and chaperone properties .
 Chemical: Alpha - lipoic acid; Disease: neurotoxicity; Disease: mitochondrial toxicity
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Alpha - lipoic acid, neurotoxicity, mitochondrial toxicity 
Answer:
 Chemical: Alpha - lipoic acid; Disease: neurotoxicity; Disease: mitochondrial toxicity