2331
Furthermore , stable expression of a constitutively active form of chicken Notch1 or Notch2 in a B cell line results in a down - regulation of surface IgM expression , which is accompanied by the reduction of IgH gene transcripts .
 GENE: Notch1; GENE: Notch2; GENE: IgM; GENE: IgH gene transcripts
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Notch1; GENE: Notch2; GENE: IgM; GENE: IgH gene transcripts