12372
In most mammalian species , two ALDH16A1 spliced variants ( ALDH16A1 , long form and ALDH16A1 _ v2 , short form ) have been identified and both are expressed in HepG - 2 , HK - 2 and HK - 293 human cell lines .
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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:
 None