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Furthermore , overexpression of TLX in Ink4a / Arf ( - / - ) astrocytes inhibited cell migration and invasion and promoted neurosphere formation and Nestin expression , which are hallmark characteristics of glioma stem cells , under stem cell culture conditions .
 Anatomy: Ink4a / Arf ( - / - ) astrocytes; Anatomy: cell; Anatomy: neurosphere; Anatomy: glioma stem cells; Anatomy: stem cell
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: Ink4a / Arf ( - / - ) astrocytes; Anatomy: cell; Anatomy: neurosphere; Anatomy: glioma stem cells; Anatomy: stem cell