2583
Ig D - JH recombinations may precede TcR gene recombination in these early T cell lines , and some but not all express sterile Cmu transcripts .
 Ig D, JH, TcR gene, Cmu transcripts
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Ig D, JH, TcR gene, Cmu transcripts