9581
The human autosomal recessive disease , xeroderma pigmentosum ( XP ), can result from mutations in any one of seven genes, designated XPA through XPG .
 XPA, XPG
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 XPA, XPG