3544
Our study investigated the hypothesis that the combination of a high NaCl diet and social isolation stress would increase systolic blood pressure ( SBP ) and endogenous sodium pump ligands ( SPL ) , ouabainlike compound ( OLC ) , and marinobufagenin ( MBG ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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