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We recently reported the cloning and sequencing of the alpha 7 integrin chain and its regulated expression during the development of skeletal muscle ( Song et al .
 GENE: alpha 7 integrin chain
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: alpha 7 integrin chain