15292
In this study , we investigated the metabolic state of undifferentiated NSPCs in culture , and tested their relative reliance on oxidative versus glycolytic metabolism for survival , as well as their dependence on hypoxia inducible factor - 1alpha ( HIF - 1 alpha ) expression for maintenance of metabolic phenotype .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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