8647
Two variants of the IL-4R alpha-chain ( IL-4Ralpha ) gene have been recently identified in association with different atopic disorders .
 IL-4R alpha-chain ( IL-4Ralpha ) gene, IL-4R alpha-chain, IL-4Ralpha
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:
 IL-4R alpha-chain ( IL-4Ralpha ) gene, IL-4R alpha-chain, IL-4Ralpha