878
This decrease has recently been shown to be due to progressive epigenetic silencing of the Pdx1 gene locus secondary to proximal promoter methylation [ 69 , 109 ] , and it may be responsible for the decreased rate of beta - cell replication and inappropriate postnatal beta - cell mass development [ 69 , 110 ] .
 Anatomy: beta - cell; Anatomy: beta - cell
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: beta - cell; Anatomy: beta - cell