11698
We report here that expression of BRAF ( V600E ) in human neural crest progenitor cells ( hNCPCs ) did not induce growth arrest as seen in human melanocytes , but instead , increased their cell proliferation capacity .
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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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