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Here we studied clusterin expression in PNT1a cells subjected to serum - starvation with the aim of defining clusterin early molecular changes following apoptosis induction .
 Anatomy: PNT1a cells; Anatomy: serum
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: PNT1a cells; Anatomy: serum