5308
Lack of cyclin D - Cdk complexes in Rb - negative cells correlates with high levels of p16INK4 / MTS1 tumour suppressor gene product .
 cyclin D, Cdk, Rb, p16INK4, MTS1
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 cyclin D, Cdk, Rb, p16INK4, MTS1