1203
Transforming growth factor-beta ( TGF-beta ) inhibits B cell Ig secretion and reduces B cell membrane Ig expression .
 protein: Ig; cell type: B cell; cell type: B cell; protein: Transforming growth factor-beta; protein: Ig; protein: TGF-beta
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: Ig; cell type: B cell; cell type: B cell; protein: Transforming growth factor-beta; protein: Ig; protein: TGF-beta