11340
Notwithstanding , Caco - 2 cells may indicate an under - expression of uptake transporters and possibly an over - expression efflux transporters , compared to that found in the rat jejunum .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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