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Y705F / S727E mutant cells were more invasive than Y705F / S727A ( inactivation of Y705 and S727 ) mutant cells , and more Y705F / S727E mutant Stat3 was localized in the nuclei relative to Y705F / S727A mutant Stat3 at the steady state .
 Anatomy: Y705F / S727E mutant cells; Anatomy: Y705F / S727A ( inactivation of Y705 and S727 ) mutant cells; Anatomy: nuclei
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: Y705F / S727E mutant cells; Anatomy: Y705F / S727A ( inactivation of Y705 and S727 ) mutant cells; Anatomy: nuclei