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Indeed , it was already demonstrated , both in vitro and in vivo , that MSCs are able to secrete a broad range of neuroregulatory factors that promote an increase in neurogenesis , inhibition of apoptosis and glial scar formation , immunomodulation , angiogenesis , neuronal and glial cell survival , as well as relevant neuroprotective actions on different pathophysiological contexts .
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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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