7761
Germline C gamma gene transcription is a crucial event in the process that leads to switch DNA recombination to IgG , but its regulation in the human is poorly understood.
 IgG
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:
 IgG