1971
The ectodomains and heparan sulfate glycosaminoglycan chains of syndecans can also act as receptors / co - receptors for some bacterial and viral pathogens , mediating infection .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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