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Musculin protein is closely related to human ABF-1 , which is expressed in activated B cells , and to epicardin/capsulin/Pod-1 , which is expressed in branchial myoblasts , visceral and urogenital mesoderm and epicardium .
 human ABF-1, epicardin/capsulin/Pod-1, B cells, branchial myoblasts
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 human ABF-1, epicardin/capsulin/Pod-1, B cells, branchial myoblasts