tokens: 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 .
folded_tokens: furthermore , stable expression of a constitutively active form of chicken notch1 or notch2 in a b cell line result in a down-regulation of surface igm expression , which be accompany by the reduction of igh gene transcript .