1474
In August, 1992, we established a leukemic cell line ( NS-Meg ) from a patient in megakaryoblastic transformation of Philadelphia chromosome-positive chronic myeloid leukemia .
 leukemic cell line, NS-Meg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 leukemic cell line, NS-Meg