27832
Neuropilin 1 ( Nrp1 ) and Nrp2 are transmembrane receptors that can bind class 3 semaphorins ( Sema3A - G ) in addition to VEGF family members to play important roles in axonal guidance , vascularization and angiogenesis , as well as immune responses .
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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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