22075
Indeed , pulse - chase biotinylation experiments in IECs lacking AnxA2 demonstrated a significant increase in cell surface beta 1 integrin that was accompanied by decreased beta 1 integrin internalization and degradation .
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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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