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The sodium/proton exchanger of the cell membrane could be identified as the primary target of the aldosterone action, possibly non-genomically mediated through membrane receptors .
 protein: sodium/proton exchanger; protein: membrane receptors
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: sodium/proton exchanger; protein: membrane receptors