2052
Tenascin ( TN ) is an extracellular matrix protein that is expressed widely in the fetus and sparingly in the adult , but reappears at high levels in certain areas of tissue insult such as tumor matrices and sites of wound healing .
 ( protein: extracellular matrix protein, None) , ( protein: TN, None) , ( protein: Tenascin, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: extracellular matrix protein, None) , ( protein: TN, None) , ( protein: Tenascin, None) 