14536
The decreased expression of immunoglobulin genes indicates that the ras oncogene blocks terminal differentiation to plasma cells , possibly by inhibiting the activity of lymphocyte-specific transcription factors .
 DNA: immunoglobulin genes; cell type: plasma cells; protein: lymphocyte-specific transcription factors; DNA: ras oncogene
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: immunoglobulin genes, plasma cells, lymphocyte-specific transcription factors, ras oncogene 
Answer:
 DNA: immunoglobulin genes; cell type: plasma cells; protein: lymphocyte-specific transcription factors; DNA: ras oncogene