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Collectively, we have identified the RALDH2 gene as a first example of direct transcriptional target genes regulated by TAL1 and LMO in T-ALL .
 transcriptional target genes, LMO, RALDH2 gene, TAL1, RALDH2
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:
 transcriptional target genes, LMO, RALDH2 gene, TAL1, RALDH2