6113
Furthermore , beta - cryptoxanthin induced an accumulation of cells in the G1 / G0 phase of the cell cycle ( as detected by flow cytometry ) , which was in accordance with an increased expression of p21 and down regulations of cyclin D1 and cyclin E , detected by Western blot analysis , and beta - cryptoxanthin increased the mRNA levels of retinoic acid receptor beta ( RAR beta ) with the treatment at 10 mu M for 24 h .
 Chemical: beta - cryptoxanthin; Chemical: beta - cryptoxanthin; Chemical: retinoic acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: beta - cryptoxanthin; Chemical: beta - cryptoxanthin; Chemical: retinoic acid