1951
These data imply that PSMA participates in an autoregulatory loop , wherein active PSMA facilitates integrin signaling and PAK activation , leading to both productive invasion and downregulation of integrin beta ( 1 ) signaling via reduced PSMA activity .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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