2462
Intriguingly , two recent papers have shed new light into this unexplored field , indicating that p53 plays a key role in TGF - beta - induced growth arrest and , unexpectedly , in the developmental effects of TGF - beta in early embryos .
 Anatomy: embryos
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: embryos 
Answer:
 Anatomy: embryos