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To determine if the NF ( H ) promoter can be activated in a tissue specific manner during development transgenic mice containing the promoter region linked to a beta - galactosidase reporter gene were generated .
 NF ( H ) promoter, beta - galactosidase reporter gene
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 NF ( H ) promoter, beta - galactosidase reporter gene