13178
The in vitro modulation of P - gp of compounds 1 - 14 was evaluated through a combination of transport and chemosensitivity assays , using the L5178 mouse T lymphoma cell line transfected with the human MDR1 gene .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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