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In the current model , Wingless / Wnt signal stabilizes Armadillo / beta - catenin , which then accumulates in nuclei and binds TCF / LEF family proteins , forming bipartite transcription factors which activate transcription of Wingless / Wnt responsive genes .
 Wingless, Wnt, Armadillo, beta - catenin, TCF, LEF, Wingless, Wnt
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Wingless, Wnt, Armadillo, beta - catenin, TCF, LEF, Wingless, Wnt