12453
In order to investigate the factors that influence the induction of ICAM-1 molecules, Northern blot analysis to measure the expression level of ICAM-1 mRNAs and Southern blot hybridization to analyze the integration of human T-cell-leukemia virus type 1 ( HTLV-1 ) provirus were done.
 ICAM-1 mRNAs, ICAM-1, ICAM-1
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:
 ICAM-1 mRNAs, ICAM-1, ICAM-1