1800
Cyclin - dependent kinase - 2 activity , p107 and cyclin A levels , and retinoblastoma protein phosphorylation are markedly reduced in response to the addition of exogenous SPARC and / or peptides derived from specific domains of SPARC .
 None
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:  
Answer:
 None