8646
Cutting edge: dominant effect of Ile50Val variant of the human IL-4 receptor alpha-chain in IgE synthesis .
 Ile50Val variant, IgE, human IL-4 receptor alpha-chain
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:
 Ile50Val variant, IgE, human IL-4 receptor alpha-chain