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Tissue and cell-type specific expression of the tuberous sclerosis gene , TSC2 , in human tissues .
 TSC2, tuberous sclerosis gene
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:
 TSC2, tuberous sclerosis gene